Colletes (Toro, 1999)

Ferrari, Rafael R., 2017, Taxonomic revision of the species of Colletes Latreille, 1802 (Hymenoptera: Colletidae: Colletinae) found in Chile, Zootaxa 4364 (1), pp. 1-137 : 121-131

publication ID	https://doi.org/10.11646/zootaxa.4364.1.1
publication LSID	lsid:zoobank.org:pub:313F4EAC-F03B-45BA-B346-FF52C165018A
DOI	https://doi.org/10.5281/zenodo.5629124
persistent identifier	https://treatment.plazi.org/id/03E487E9-FF92-09BD-C8A3-4706FEFED591
treatment provided by	Plazi (2017-12-14 09:37:46, last updated 2024-11-28 20:56:08)
scientific name	Colletes
status

Treatment

Key to the Chilean species of Colletes View in CoL

Note 1: The males of C. guanta , C. quelu and C. vicugnensis are unknown.

Note 2: Refer to Figs. 65A–D View FIGURE 65 to see how measurements were obtained.

1 Female.............................................................................................. 2

- Male............................................................................................... 33

2(1) Metasoma metallic dark-blue or greenish-blue (e.g. Figs. 20E View FIGURE20 , 22E View FIGURE 22 , 33C View FIGURE33 )......................................... 3

- Metasoma black (e.g. Figs. 1E View FIGURE 1 , 8E View FIGURE 8 , 47E View FIGURE 47 ).................................................................. 11

3(2) Clypeus with a strong mid-longitudinal carina ( Figs. 13C View FIGURE 13 , 33B View FIGURE33 , 53B View FIGURE 53 , 64B View FIGURE 64 )........................................ 4

- Clypeus without mid-longitudinal carina (e.g. Figs. 8C View FIGURE 8 , 11C View FIGURE 11 , 22C View FIGURE 22 , 24C View FIGURE 24 ).......................................... 7

4(3) Mesoscutal pubescence black ( Figs. 13A View FIGURE 13 , 64A View FIGURE 64 ).............................................................. 5

- Mesoscutal pubescence pale-yellow ( Figs. 33A View FIGURE33 , 53A View FIGURE 53 )......................................................... 6

5(4) Facial pubescence completely black ( Fig. 64B View FIGURE 64 ); mid and hind tibiae black ( Fig. 64A View FIGURE 64 ); hind basitarsus 3x longer than broad............................................................................ C. vicugnensis Rojas & Toro, 1993

- Facial pubescence with off-white and black hairs intermixed ( Fig. 13C View FIGURE 13 ); mid and hind tibiae pale-orange ( Fig. 13A View FIGURE 13 ); hind basi- tarsus 2.5x longer than broad................................................... C. chusmiza Rojas & Toro, 1993

6(4) Malar area 1.8x as long as basal depth of mandible; F1 1.2x as long as its apical width; hind tibia dark-brown ( Fig. 33A View FIGURE33 )................................................................................. C. guanta Rojas & Toro, 1993

- Malar area 1.5x as long as basal depth of mandible; F1 1.4x as long as its apical width; hind tibia pale-orange ( Fig. 53A View FIGURE 53 ).................................................................................. C. quelu Rojas & Toro, 1993

7(3) Mesoscutal pubescence ferruginous ( Fig. 11A View FIGURE 11 ) or pale-orange ( Fig. 28A View FIGURE28 )......................................... 8

- Mesoscutal pubescence completely black ( Fig. 22A View FIGURE 22 ) or with off-white and black intermixed ( Fig. 20A View FIGURE20 )................ 10

8(7) Facial pubescence mostly ferruginous ( Fig. 28C View FIGURE28 ); legs orange ( Figs. 28A, 28E View FIGURE28 )................. C. fulvipes Spinola, 1851 View in CoL

- Facial pubescence completely black ( Figs. 11C View FIGURE 11 , 24C View FIGURE 24 ); legs black ( Figs. 11A View FIGURE 11 , 24A View FIGURE 24 ).................................. 9

9(8) Malar area 0.7x as long as basal depth of mandible; mesepisternum with smooth interspaces ( Fig. 66A View FIGURE 66 ).................................................................................................... C. bicolor Smith, 1879 View in CoL

- Malar area 1.4x as long as basal depth of mandible; mesepisternum with imbricate interspaces ( Fig. 66B View FIGURE 66 ).................................................................................................. C. flaminii Moure, 1956 View in CoL

10(7) Mesoscutal pubescence completely black ( Fig. 22E View FIGURE 22 ); mesepisternum with smooth interspaces ( Fig. 66A View FIGURE 66 ).............................................................................................. C. cyaniventris Spinola, 1851

- Mesoscutal pubescence with off-white and black hairs intermixed ( Fig. 20E View FIGURE20 ); mesepisternum with imbricate interspaces ( Fig. 66B View FIGURE 66 )........................................................................ C. cyanescens ( Haliday, 1836) View in CoL

11(2) Malar area distinctly shorter than basal depth of mandible.................................................... 12

- Malar area at least as long as basal depth of mandible........................................................ 14

12(11) Mesoscutal pubescence with off-white and black hairs intermixed ( Fig. 47A View FIGURE 47 ); metasomal terga without distal bands of appressed hairs ( Fig. 47E View FIGURE 47 )........................................................... C. nigritulus Friese, 1910 View in CoL

- Mesoscutal pubescence ferruginous ( Fig. 54A View FIGURE54 ) or pale-yellow ( Fig. 38A View FIGURE 38 ); metasomal terga with distal bands of appressed hairs ( Figs. 38E View FIGURE 38 , 54E View FIGURE54 )..................................................................................... 13

13(12) Mesoscutal pubescence ferruginous ( Fig. 54A View FIGURE54 ); T1 moderately finely punctate ( Fig. 66C View FIGURE 66 )......... C. rutilans Vachal, 1909 View in CoL

- Mesoscutal pubescence pale-yellow ( Fig. 38A View FIGURE 38 ); T1 inconspicuously punctate ( Fig. 66D View FIGURE 66 )........... C. lucens Vachal, 1909 View in CoL

14(11) Dorsal surface of legs with dark (fuscous or black) pubescence ( Figs. 42A View FIGURE 42 , 49A View FIGURE 49 , 62A View FIGURE 62 ).............................. 15

- Dorsal surface of legs with pale (off-white or pale-yellow) pubescence (e.g. Figs. 4A View FIGURE 4 , 17A View FIGURE17 , 60A View FIGURE 60 )..................... 19

15(14) Discs of T2–T5 covered with appressed and erect hairs intermixed ( Fig. 66E View FIGURE 66 )..................................... 16

- Discs of T2–T5 without appressed hairs, with erect hairs only ( Fig. 66F View FIGURE 66 )......................................... 17

16(15) Clypeus with a transverse depression subapically ( Fig. 67A View FIGURE 67 ); S6 carinate laterally ( Fig. 67C View FIGURE 67 )....... C. ventricarinatus n. sp.

- Clypeus with a pair of pits subapically ( Fig. 67B View FIGURE 67 ); S6 not carinate laterally ( Fig. 67D View FIGURE 67 )............. C. murinus Friese, 1900 View in CoL

17(15) Mesoscutal pubescence completely black ( Fig. 49A View FIGURE 49 ).......................................... C. nigropilosus n. sp.

- Mesoscutal pubescence with off-white and black hairs intermixed ( Figs. 1A View FIGURE 1 , 40A View FIGURE 40 )................................. 18

18(17) Labrum medially concave, concavity margined by lateral ridges ( Fig. 68A View FIGURE 68 ); lateral surface of propodeum smooth ( Fig. 68C View FIGURE 68 )................................................................................ C. alocochila Moure, 1956 View in CoL

- Labrum medially convex, convexity not margined by ridges ( Fig. 68B View FIGURE 68 ); lateral surface of propodeum imbricate ( Fig. 68D View FIGURE 68 ).................................................................................. C. mastochila Moure, 1956 View in CoL

19(14) Scutellar and metanotal pubescence ferruginous ( Figs. 8E View FIGURE 8 , 51E View FIGURE 51 )................................................ 20

- Scutellar and metanotal pubescence off-white ( Fig. 4E View FIGURE 4 ), pale-yellow ( Fig. 6E View FIGURE 6 ), or with pale and dark hairs intermixed ( Fig. 44E View FIGURE44 )............................................................................................... 21

20(19) Head width ~ 4mm; mesoscutal pubescence completely ferruginous ( Fig. 8E View FIGURE 8 )..................... C. atripes Smith, 1854 View in CoL

- Head width ~ 3mm; mesoscutal pubescence mostly off-white ( Fig. 51E View FIGURE 51 )................... C. patagonicus Schrottky, 1907 View in CoL

21(19) Posterior hind tibial spur pectinate ( Fig. 69A View FIGURE69 ).............................................................. 22

- Posterior hind tibial spur ciliate ( Fig. 69B View FIGURE69 )................................................................. 27

22(21) Clypeus bearing mid-longitudinal ridge below ( Fig. 69C View FIGURE69 )..................................................... 23

- Clypeus without mid-longitudinal ridge below ( Fig. 69D View FIGURE69 )..................................................... 24

23(22) Labrum medially concave; concavity margined by lateral ridges ( Fig. 68A View FIGURE 68 ); mesoscutal pubescence with off-white and black hairs intermixed ( Fig. 17C View FIGURE17 )............................................................. C. coquimbensis n. sp.

- Labrum medially convex, convexity not margined by ridges ( Fig. 68B View FIGURE 68 ); mesoscutal pubescence completely pale-yellow ( Fig. 60C View FIGURE 60 ) (some slightly darker hairs may appear black when seen from some angles, therefore observing those hairs from distinct angles is advised)........................................................................... C. toroi n. sp.

24(22) Mesepisternum with coarse and minute punctures intermingled ( Fig. 70A View FIGURE 70 ); discs of T2–T5 not covered with appressed hairs (these are restricted to marginal zones only) ( Fig. 15A View FIGURE 15 ).................................... C. cognatus Spinola, 1851 View in CoL

- Mesepisternum with moderately coarse to coarse punctures only ( Fig. 70B View FIGURE 70 ); discs of T2–T5 covered with pale-yellow appressed hairs ( Figs. 4A View FIGURE 4 , 36A View FIGURE 36 )......................................................................... 25

25(24) Paraocular area with pale-yellow and black hairs intermixed ( Figs.31A View FIGURE 31 , 56A View FIGURE 56 ); mesepisternal interspaces imbricate ( Fig. 66B View FIGURE 66 )............................................................................ C. neoqueenensis Friese, 1910 View in CoL

- Paraocular area with light hairs only ( Figs. 4A View FIGURE 4 , 36A View FIGURE 36 ); mesepisternal interspaces smooth ( Fig. 66A View FIGURE 66 ).................... 26

26(25) Head width ~ 2.5mm; clypeus depressed mid-longitudinally ( Fig. 70C View FIGURE 70 )............................... C. arthuri n. sp.

- Head width ~ 3.5mm; clypeus flat mid-longitudinally ( Fig. 70D View FIGURE 70 )............................ C. longiceps Friese, 1910 View in CoL

27(21) Mesoscutal pubescence completely pale-yellow ( Figs. 6A, 6E View FIGURE 6 ) (some slightly darker hairs may appear black when seen from some angles, therefore observing those hairs from distinct angles is advised)...................................... 28

- Mesoscutal pubescence with off-white and black hairs intermixed ( Figs. 44A, 44C View FIGURE44 )................................ 30

28(27) T1 coarsely punctate ( Fig. 71A View FIGURE71 )................................................... C. atacamensis Janvier, 1955 View in CoL

- T1 minutely punctate ( Fig. 71B View FIGURE71 )......................................................................... 29

29(28) Mesepisternal interspaces smooth ( Fig. 66A View FIGURE 66 ); marginal zones of T1–T5 dark-brown to black ( Fig. 71C View FIGURE71 )................................................................................................... C. sulcatus Vachal, 1909 View in CoL

- Mesepisternal interspaces imbricate ( Fig. 66B View FIGURE 66 ); marginal zones of T1–T5 bright-yellow ( Fig. 71D View FIGURE71 )..... C. flavipilosus n. sp.

30(27) Mesepisternal interspaces imbricate ( Fig. 66B View FIGURE 66 ); marginal zone of T2 biconvex ( Fig. 72A View FIGURE 72 )......... C. musculus Friese, 1910 View in CoL

- Mesepisternal interspaces smooth ( Fig. 66A View FIGURE 66 ); marginal zone of T2 without concavities ( Fig. 72B View FIGURE 72 )..................... 31

31(30) T1 covered with erect hairs only ( Fig. 72C View FIGURE 72 )........................................ C. kuhlmanni n. sp. Friese, 1910

- T1 covered with appressed and erect hairs intermixed ( Fig. 72D View FIGURE 72 )............................................... 32

32(31) Upper area of vertical surface of metapostnotum smooth ( Fig. 73A View FIGURE 73 ); hind basitarsus about 3.5x longer than broad............................................................................................. C. gilvus Vachal, 1909 View in CoL

- Upper area of vertical surface of metapostnotum rugose ( Fig. 73B View FIGURE 73 ); hind basitarsus about 4x longer than broad.................................................................................................. C. simulatus n. sp.

33(1) Metasoma metallic dark-blue or greenish-blue (e.g. Figs. 11F View FIGURE 11 , 22F View FIGURE 22 , 28F View FIGURE28 )......................................... 34

- Metasoma black (e.g. Figs. 1F View FIGURE 1 , 40F View FIGURE 40 , 47F View FIGURE 47 ).................................................................. 39

34(33) Mid and hind tarsi orange ( Figs. 13B View FIGURE 13 , 28B View FIGURE28 )................................................................ 35

- Mid and hind tarsi dark-brown to black (e.g. Figs. 22B View FIGURE 22 , 24B View FIGURE 24 ).................................................. 36

35(34) Clypeus with a strong mid-longitudinal carina ( Fig. 73C View FIGURE 73 ); mesoscutal pubescence with off-white and black hairs intermixed ( Figs. 13B, 13D View FIGURE 13 ); mid and hind tibiae mostly dark-brown to black, pale-orange restricted to distal rings ( Fig. 13B View FIGURE 13 ).................................................................................... C. chusmiza Rojas & Toro, 1993

- Clypeus without mid-longitudinal carina ( Fig. 73D View FIGURE 73 ); mesoscutal pubescence completely ferruginous ( Figs. 28B, 28D View FIGURE28 ); mid and hind tibiae entirely pale-orange ( Fig. 28B View FIGURE28 )........................................... C. fulvipes Spinola, 1851 View in CoL

36(34) Mesepisternal interspaces smooth ( Fig. 66A View FIGURE 66 )............................................................... 37

- Mesepisternal interspaces imbricate ( Fig. 66B View FIGURE 66 )............................................................. 38

37(36) Mesoscutal pubescence ferruginous ( Figs. 11B, 11D View FIGURE 11 ); legs with off-white to pale-yellow hairs ( Fig. 11B View FIGURE 11 )................................................................................................... C. bicolor Smith, 1879 View in CoL

- Mesoscutal pubescence with off-white and black hairs intermixed ( Figs. 22B, 22D View FIGURE 22 ); legs with fuscous to black hairs ( Fig. 22B View FIGURE 22 )............................................................................. C. cyaniventris Spinola, 1851

38(36) Malar area about 1.5x as long as basal depth of mandible; mesoscutal pubescence pale-yellow to ferruginous ( Figs. 24B View FIGURE 24 , 2 4F View FIGURE 2 View FIGURE 3 View FIGURE 4 )................................................................................. C. flaminii Moure, 1956 View in CoL

- Malar area about 2x as long as basal depth of mandible; mesoscutal pubescence with off-white and black hairs intermixed ( Figs. 20B, 20F View FIGURE20 ).............................................................. C. cyanescens ( Haliday, 1836) View in CoL

39(33) Malar area short, at most, as long as basal depth of mandible.................................................. 40

- Malar area long, at least, 1.5x as long as basal depth of mandible............................................... 42

40(39) Mesoscutal pubescence with off-white and black hairs intermixed ( Figs. 47B, 47D View FIGURE 47 ); metasomal terga without distal bands of appressed hairs ( Fig. 47F View FIGURE 47 )........................................................... C. nigritulus Friese, 1900 View in CoL

- Mesoscutal pubescence pale-yellow ( Figs. 38B, 38D View FIGURE 38 ) or ferruginous ( Figs. 54B, 54D View FIGURE54 ); metasomal terga with distal bands of appressed hairs ( Fig. 38F View FIGURE 38 ).............................................................................. 41

41(40) Malar area about 0.7x as long as basal depth of mandible; mesoscutal pubescence pale-yellow ( Figs. 38B, 38D View FIGURE 38 ); T1 minutely punctate ( Fig. 66D View FIGURE 66 ).................................................................. C. lucens Vachal, 1909 View in CoL

- Malar area about 0.9x as long as basal depth of mandible; mesoscutal pubescence ferruginous ( Figs. 54B, 54D View FIGURE54 ); T1 moderately finely punctate ( Fig. 66C View FIGURE 66 )............................................................ C. rutilans Vachal, 1909 View in CoL

42(39) Punctures on T1 ( Fig. 74A View FIGURE74 ) as coarse as or coarser than those of mesoscutum ( Fig. 74B View FIGURE74 )............................ 43

- Punctures on T1 ( Fig. 74C View FIGURE74 ) finer than those of mesoscutum ( Fig. 74D View FIGURE74 ).......................................... 44

43(42) Paraocular pubescence completely off-white ( Fig. 6B View FIGURE 6 ) (some slightly darker hairs may appear black when seen from some angles, therefore observing those hairs from distinct angles is advised); mesoscutum moderately sparsely punctate (i= 1.5–2d) anteriorly ( Fig. 74B View FIGURE74 )............................................................ C. atacamensis Janvier, 1955 View in CoL

- Paraocular pubescence with off-white and black hairs intermixed ( Fig. 56B View FIGURE 56 ); mesoscutum densely punctate (i= 0.5–1d) anteri- orly ( Fig. 74D View FIGURE74 ).......................................................................... C. simulatus n. sp.

44(42) Mesepisternal interspaces imbricate ( Fig. 66B View FIGURE 66 )............................................................. 45

- Mesepisternal interspaces smooth ( Fig. 66A View FIGURE 66 )............................................................... 50

45(44) Mesoscutal pubescence completely pale-yellow ( Figs. 26D View FIGURE 26 , 36D View FIGURE 36 ) (some slightly darker hairs may appear black when seen from some angles, therefore observing those hairs from distinct angles is advised)................................. 46

- Mesoscutal pubescence with off-white and black hairs intermixed ( Figs. 44D View FIGURE44 , 62D View FIGURE 62 )................................ 48

46(45) Scutellar and metanotal pubescence ferruginous, strongly contrasting with the pale-yellow hairs on mesoscutum ( Fig. 51F View FIGURE 51 ).............................................................................. C. patagonicus Schrottky, 1907 View in CoL

- Scutellar and metanotal pubescence pale-yellow, the same colour as on mesoscutum ( Figs. 26F View FIGURE 26 , 36F View FIGURE 36 ).................. 47

47(46) Paraocular pubescence completely pale-yellow ( Fig. 36B View FIGURE 36 ) (some slightly darker hairs may appear black when seen from some angles, therefore observing those hairs from distinct angles is advised); F3–F8 ~1.7x as long as wide.................................................................................................... C. longiceps Friese, 1910 View in CoL

- Paraocular pubescence with pale-yellow and black hairs intermixed ( Fig. 26B View FIGURE 26 ); F3–F8 ~1.2x as long as wide.................................................................................................. C. flavipilosus n. sp.

48(45) Supraclypeal area smooth ( Fig. 75A View FIGURE 75 ); mid and hind tibiae and tarsi with black setae ( Fig. 40B View FIGURE 40 )... C. mastochila Moure, 1956 View in CoL

- Supraclypeal area rugulose or imbricate ( Fig. 75B View FIGURE 75 ); mid and hind tibiae and tarsi with pale-yellow setae ( Figs. 44B View FIGURE44 , 62B View FIGURE 62 ).. 4 9

49(48) Disc of T2 covered with appressed and erect hairs intermixed ( Fig. 66E View FIGURE 66 ); marginal zone of T2 without concavities ( Fig. 7 2B View FIGURE 7 ).................................................................................. C. ventricarinatus n. sp.

- Disc of T2 without appressed hairs, with erect hairs only ( Fig. 66F View FIGURE 66 ); marginal zone of T2 biconvex ( Fig. 72A View FIGURE 72 ).............................................................................................. C. musculus Friese, 1910 View in CoL

50(44) Mesoscutal pubescence with off-white and black hairs intermixed (e.g. Figs. 1D View FIGURE 1 , 31D View FIGURE 31 ).............................. 51

- Mesoscutal pubescence completely pale-yellow ( Fig. 4D View FIGURE 4 ), bright-yellow ( Fig. 15D View FIGURE 15 ) or ferruginous ( Fig. 8D View FIGURE 8 )............ 54

51(50) Upper margin of lateral surface of propodeum with pale-yellow pubescence ( Fig. 75C View FIGURE 75 ); T2–T5 with well-defined distal bands of appressed hairs ( Fig. 31B View FIGURE 31 )........................................................... C. gilvus Vachal, 1909 View in CoL

- Upper margin of lateral surface of propodeum with black pubescence ( Fig. 75D View FIGURE 75 ); T2–T5 without distal bands of appressed hairs (e.g. Figs. 1B View FIGURE 1 , 49B View FIGURE 49 ).............................................................................. 52

52(51) Legs with black hairs ( Fig. 49B View FIGURE 49 ).......................................................... C. nigropilosus n. sp.

- Legs with off-white or pale-yellow hairs ( Figs. 1B View FIGURE 1 , 42B View FIGURE 42 )..................................................... 53

53(52) F1 as long as its apical width; discs of T2–T5 covered with appressed and erect hairs intermixed ( Fig. 66E View FIGURE 66 )................................................................................................. C. murinus Friese, 1900 View in CoL

- F1 about 1.2x as long as its apical width; discs of T2–T5 without appressed hairs, with erect hairs only ( Fig. 66F View FIGURE 66 )......................................................................................... C. alocochila Moure, 1956 View in CoL

54(50) Paraocular pubescence completely pale ( Figs. 4B View FIGURE 4 , 15B View FIGURE 15 ) (some slightly darker hairs may appear black when seen from some angles, therefore observing those hairs from distinct angles is advised).......................................... 55

- Paraocular pubescence with off-white and black hairs intermixed (e.g. Figs. 34B View FIGURE 34 , 58B View FIGURE58 )............................. 56

55(54) Malar area ~1.5x as long as basal depth of mandible; mesepisternum with coarse and minute punctures intermingled ( Fig. 7 View FIGURE 7 0A)................................................................................ C. cognatus Spinola, 1851 View in CoL

- Malar area ~ 2x as long as basal depth of mandible; mesepisternum with moderately coarse punctures only ( Fig. 70B View FIGURE 70 )............................................................................................... C. arthuri n. sp.

56(54) Mesoscutum and T1 with ferruginous or pale-orange pubescence ( Fig. 8F View FIGURE 8 ); T2–T5 without distal bands of appressed hairs ( Fig. 8F View FIGURE 8 )............................................................................ C. atripes Smith, 1854 View in CoL

- Mesoscutum and T1 with pale-yellow pubescence (e.g. Figs. 17F View FIGURE17 , 60F View FIGURE 60 ); T2–T5 with well-defined distal bands of appressed hairs (e.g. Fig. 15F View FIGURE 15 , 38F View FIGURE 38 )............................................................................... 57

57(56) Malar area about 1.5x as long as basal depth of mandible..................................... C. coquimbensis n. sp.

- Malar area at least 2x as long as basal depth of mandible..................................................... 58

58(57) T1 sparsely (i= 2–3d) punctate medially ( Fig. 76A View FIGURE 76 ).................................. C. kuhlmanni n. sp. Friese, 1910

- T1 densely (i= 0.5–1d) punctate medially ( Fig. 76B View FIGURE 76 )......................................................... 59

59(58) Hind basitarsus about 4.5x longer than broad; T2 moderately densely (i= 1–1.5d) punctate medially ( Fig. 76C View FIGURE 76 )............................................................................................. C. sulcatus Vachal, 1909 View in CoL

- Hind basitarsus about 3.5x longer than broad; T2 densely (i= 0.5–1d) punctate medially ( Fig. 76D View FIGURE 76 )........... C. toroi n. sp.

References

Friese, H. (1900) Neue Bienenarten Sud-America's. Entomologische Nachrichten, 26, 180 - 184.

Friese, H. (1910) Zur Bienenfauna des sudlichen Argentinien (Hym.). Zoologische Jahrbucher. Abteilung fur Systematik, Geographie und Biologie der Tiere, 29, 641 - 660.

Haliday, A. H. (1836) Descriptions, & c. of the Hymenoptera. In: Curtis, S., Haliday, A. H. & Walker, F. (Eds.), Descriptions etc. of the insects collected by Captain P. P. King, R. N., F. R. S., in the survey of the Straits of Magellan. Transactions of the Linnean Society of London, London, pp. 315 - 359.

Janvier, H. (1955) Le nid et la nidification chez quelques abeilles des Andes tropicales. Annales des Sciences Naturelles- Zoologie et Biologie Animale, 17, 311 - 349.

Moure, J. S. (1956) Algumas especies novas de Colletes do Brasil e do Chile (Hymenopt. - Apoidea). Dusenia, 7, 197 - 210.

Rojas, M. & Toro, H. (1993) Nuevas especies de colletidos chilenos (Hymenoptera: Colletidae). Acta Entomologica Chilena, 18, 83 - 87.

Schrottky, C. (1907) Contribucion al conocimiento de los himenopteros del Paraguay. Anales Cientificos Paraguayos, 7, 1 - 78.

Smith, F. (1854) Catalogue of Hymenopterous Insects in the Collection of the British Museum. Part II. Apidae. British Museum, London, 267 pp. [pp. 199 - 465]

Smith, F. (1879) Descriptions of New Species of Hymenoptera in Collection of the British Museum. British Museum, London, 240 pp.

Spinola, M. (1851) Himenopteros. In: Gay, C. (Ed.), Historia Fisica y Politica de Chile. Zoologia. Vol. 6. Casa del autor, Paris, pp. 153 - 569.

Vachal, J. (1909) Especes nouvelles ou litigieuses d' Apidae du haut Bassin du Parana et des regions contigues et delimitation d' une nouvelle sous-famille Diphaglossinae (Hym.). Revue d'Entomologie, 28, 5 - 64.

Figures

FIGURE 1. Colletes alocochila Moure, 1956. Female: (A) habitus, lateral view; (C) face, frontal view; (E) habitus, dorsal view.Male:(B) habitus, lateral view; (D) face, frontalview; (F) habitus, dorsal view.Scale bars = 2mm.

FIGURE 2. Dorsal view of the male terminalia of C. alocochila. (A) S7; (B) S8; (C) genital capsule.Scale bars = 1mm.

FIGURE 3. Geographic distribution by Colletes species. (A) C. alocochila and C. cyaniventris; (B) C. arthuri n. sp. and C. guanta; (C) C. atacamensis and C. cognatus. Scale bars approximately 300 km.

FIGURE 4. Colletes arthuri Ferrari, n. sp. Female: (A) habitus, lateral view; (C) face, frontal view; (E) habitus, dorsal view. Male:(B) habitus, lateral view; (D)face, frontal view; (F) habitus, dorsal view.Scale bars = 2mm.

FIGURE 6. Colletes atacamensis Janvier, 1955. Female: (A) habitus, lateral view; (C) face, frontal view; (E) habitus, dorsal view.Male:(B) habitus, lateral view; (D) face, frontalview; (F) habitus, dorsal view.Scale bars = 2mm.

FIGURE 7. Dorsal view of the male terminalia of C. atacamensis. (A) S7;(B) S8; (C) genital capsule. Scale bars = 1mm.

FIGURE 8. Colletes atripes Smith, 1854. Female: (A) habitus, lateral view; (C) face, frontal view; (E) habitus, dorsal view. Male:(B) habitus, lateral view; (D)face, frontal view; (F) habitus, dorsal view.Scale bars = 2mm.

FIGURE 11. Colletes bicolor Smith, 1879. Female: (A) habitus, lateral view; (C) face, frontal view; (E) habitus, dorsal view. Male:(B) habitus, lateral view; (D)face, frontal view; (F) habitus, dorsal view.Scale bars = 2mm.

FIGURE 13. Colletes chusmiza Rojas & Toro, 1993. Female: (A) habitus, lateral view; (C) face, frontal view; (E) habitus, dorsal view.Male: (B) habitus, lateral view; (D) face, frontalview; (F) habitus, dorsal view.Scale bars = 2mm.

FIGURE 15. Colletes cognatus Spinola, 1851. Female: (A) habitus, lateral view; (C) face, frontal view; (E) habitus, dorsal view.Male:(B) habitus, lateral view; (D) face, frontalview; (F) habitus, dorsal view.Scale bars = 2mm.

FIGURE 22. Colletes cyaniventris Spinola, 1851. Female: (A) habitus, lateral view; (C) face, frontal view; (E) habitus, dorsal view.Male:(B) habitus, lateral view; (D) face, frontalview; (F) habitus, dorsal view.Scale bars = 2mm.

FIGURE 24.Colletes flaminii Moure, 1956.Female:(A) habitus, lateral view; (C) face, frontal view; (E) habitus, dorsal view. Male:(B) habitus, lateral view; (D)face, frontal view; (F) habitus, dorsal view.Scale bars = 2mm.

FIGURE 26. Colletes flavipilosus Ferrari, n. sp. Female: (A) habitus, lateral view; (C) face, frontal view; (E) habitus, dorsal view.Male:(B) habitus, lateral view; (D) face, frontalview; (F) habitus, dorsal view.Scale bars = 2mm.

FIGURE 31. Colletes gilvus Vachal, 1909. Female: (A) habitus, lateral view; (C) face, frontal view; (E) habitus, dorsal view. Male:(B) habitus, lateral view; (D)face, frontal view; (F) habitus, dorsal view.Scale bars = 2mm.

FIGURE 34. Colletes kuhlmanni Ferrari, n. sp. Female: (A) habitus, lateral view; (C) face, frontal view; (E) habitus, dorsal view.Male:(B) habitus, lateral view; (D) face, frontalview; (F) habitus, dorsal view.Scale bars = 2mm.

FIGURE 36. Colletes longiceps Friese, 1910. Female: (A) habitus, lateral view; (C) face, frontal view; (E) habitus, dorsal view.Male:(B) habitus, lateral view; (D) face, frontalview; (F) habitus, dorsal view.Scale bars = 2mm.

FIGURE 38. Colletes lucens Vachal, 1909.Female: (A) habitus, lateral view; (C) face, frontal view; (E) habitus, dorsal view. Male:(B) habitus, lateral view; (D)face, frontal view; (F) habitus, dorsal view.Scale bars = 2mm.

FIGURE 40. Colletes mastochila Moure, 1956. Female: (A) habitus, lateral view; (C) face, frontal view; (E) habitus, dorsal view.Male:(B) habitus, lateral view; (D) face, frontalview; (F) habitus, dorsal view.Scale bars = 2mm.

FIGURE 42.Colletes murinus Friese, 1900.Female:(A) habitus, lateral view; (C) face, frontal view; (E) habitus,dorsal view. Male:(B) habitus, lateral view; (D)face, frontal view; (F) habitus, dorsal view.Scale bars = 2mm.

FIGURE 47. Colletes nigritulus Friese, 1910. Female: (A) habitus, lateral view; (C) face, frontal view; (E) habitus, dorsal view.Male:(B) habitus, lateral view; (D) face, frontalview; (F) habitus, dorsal view.Scale bars = 2mm.

FIGURE 49. Colletes nigropilosus Ferrari, n. sp. Female: (A) habitus, lateral view; (C) face, frontal view; (E) habitus, dorsal view.Male:(B) habitus, lateral view; (D) face, frontalview; (F) habitus, dorsal view.Scale bars = 2mm.

FIGURE 51. Colletes patagonicus Schrottky, 1907. Female: (A) habitus, lateral view; (C) face, frontal view; (E) habitus, dorsal view.Male: (B) habitus, lateral view; (D) face, frontalview; (F) habitus, dorsal view.Scale bars = 2mm.

FIGURE 53. Colletes quelu Rojas & Toro, 1993. Female: (A) habitus, lateral view; (B) face, frontal view; (C) habitus, dorsal view.Scale bars = 2mm.

FIGURE 56. Colletes simulatus Ferrari, n. sp. Female: (A) habitus, lateral view; (C) face, frontal view; (E) habitus, dorsal view.Male:(B) habitus, lateral view; (D) face, frontalview; (F) habitus, dorsal view.Scale bars = 2mm.

FIGURE 60. Colletes toroi Ferrari, n. sp. Female: (A) habitus, lateral view; (C) face, frontal view; (E) habitus, dorsal view. Male:(B) habitus, lateral view; (D)face, frontal view; (F) habitus, dorsal view.Scale bars = 2mm.

FIGURE 62. Colletes ventricarinatus Ferrari, n. sp. Female: (A) habitus, lateral view; (C) face, frontal view; (E) habitus, dorsal view.Male: (B) habitus, lateral view; (D) face, frontalview; (F) habitus, dorsal view.Scale bars = 2mm.

FIGURE 64. Colletes vicugnensis Rojas & Toro, 1993. Female: (A) habitus, lateral view; (B) face, frontal view; (C) habitus, dorsal view.Scale bars = 2mm.

FIGURE 65. Indication on how the measurements cited in the key were obtained. (A) malar area length (red bar) and basal depth of mandible (white bar) inColletes kuhlmanni n.sp.; (B) F1 length (red bar) and apical width(white bar) inC.musculus; (C) head width (white bar) in C. fulvipes; (D) hind basitarsus length (red bar) and width (white bar) in C. bicolor. Scale bars = 1mm.

FIGURE 66. Lateral view of mesepisternum. (A) Mesepisternal interspaces smooth in the female Colletes kuhlmanni n. sp.; (B) interspaces imbricate in the female C. cyanescens. Dorsal view of T1. (C) T1 moderately finely punctate in the female C. rutilans; (D) T1 inconspicuously punctate in the female C. lucens. Dorsal view of T2–T5. (E) T2–T5 covered with appressed and erect hairs intermixed in the female C. ventricarinatus n. sp.; (F) T2–T5 without appressed hairs, with erect hairs only, in the female C.alocochila. Scale bars = 1mm.

FIGURE 67. Oblique view of head. (A) Clypeus with a transverse depression subapically (white arrow) in the female Colletes ventricarinatus n. sp.; (B) clypeus with a pair of pits subapically (red arrows) in the female C. murinus. Latero-ventral view of S6. (C) S6 carinate laterally (white arrow) in the female C. ventricarinatus n. sp.; (D) S6 not carinate laterallyin the femaleC. murinus. Scalebars = 1mm.

FIGURE 68. Frontal view of labrum. (A) Labrum medially concave, concavity margined by lateral ridges, in the female Colletes alocochila; (B) labrum medially convex, convexity not margined by ridges, in the female C. mastochila. Lateral view of propodeum. (C) Lateral surface of propodeum smooth in the female C. alocochila; (D) lateral surface of propodeum imbricate in the female C. mastochila. Scale bars = 1mm.

FIGURE 70. Lateral view of mesepisternum. (A) Mesepisternum with coarse (red arrows) and minute (white arrows) puncturesintermingled in the female Colletes cognatus; (B) mesepisternum with only moderately coarse to coarse punctures in the female C. longiceps. Frontal view of face. (C) Clypeus depressed mid-longitudinally (white arrows) in the female C. kuhlmanni n. sp.; (D) clypeus flat mid-longitudinally in the female C. longiceps. Scale bars = 1mm.

FIGURE 72. Dorsal view of metasoma. (A) Marginal zone of T2 biconvex (white arrows point to concavities) in the female Colletes musculus; (B) marginal zone of T2 without concavities in the female C. kuhlmanni n. sp.; (C) T1 covered with only erect hairs in the female C. kuhlmanni n. sp.; (D) T1 covered with appressed and erect hairs intermixed in the female C. gilvus. Scale bars = 1mm.

FIGURE 73. Posterior view of metapostnotum. (A) Upper area of vertical surface of metapostnotum smooth in the female Colletes gilvus; (B) upper area rugose in the female C. simulatus n. sp. Frontal view of head. (C) Clypeus with a midlongitudinalcarina (white arrows) in themale C.chusmiza; (D) clypeus without mid-longitudinal carinain the male C.fulvipes. Scale bars = 1mm.

FIGURE 75. Frontal view of head. (A) Supraclypeal area smooth in the male Colletes mastochila; (B) supraclypeal area imbricate in the male C. ventricarinatus n. sp. Lateral view of propodeum. (C) Upper margin with pale-yellow pubescence (black dashed-line ellipse) in the male C. gilvus; (D) upper margin with black pubescence (white dashed-line ellipse) in the male C. murinus. Scale bars = 1mm.

FIGURE 76. Dorsal view of metasoma. (A) T1 sparsely punctate medially in the male Colletes kuhlmanni n. sp.; (B) T1 densely punctate medially in the male C. toroi n. sp.; (C) T2 moderately densely punctate medially in the male C. sulcatus; (D) T2 densely punctate medially in the male C. toroi n. sp. Scale bars = 1mm.

FIGURE20. Colletes cyanescens (Haliday, 1836).Female: (A) habitus, lateral view; (C) face, frontalview; (E) habitus, dorsal view.Male:(B) habitus, lateral view; (D) face, frontalview; (F) habitus, dorsal view.Scale bars = 2mm.

FIGURE33. Colletes guanta Rojas &Toro,1993.Female:(A) habitus, lateral view; (B) face, frontal view; (C) habitus, dorsal view.Scale bars = 2mm.

FIGURE28.Colletes fulvipes Spinola, 1851. Female:(A) habitus, lateral view; (C)face, frontal view; (E)habitus,dorsal view. Male:(B) habitus, lateral view; (D)face, frontal view; (F) habitus, dorsal view.Scale bars = 2mm.

FIGURE54. Colletes rutilans Vachal, 1909. Female:(A) habitus, lateral view; (C) face, frontal view; (E) habitus, dorsal view. Male:(B) habitus, lateral view; (D)face, frontal view; (F) habitus, dorsal view.Scale bars = 2mm.

FIGURE17. Colletes coquimbensis Ferrari, n. sp. Female:(A) habitus, lateral view; (C) face, frontal view; (E) habitus, dorsal view.Male:(B) habitus, lateral view; (D) face, frontalview; (F) habitus, dorsal view.Scale bars = 2mm.

FIGURE44.Colletes musculus Friese, 1910.Female:(A) habitus, lateral view; (C)face, frontal view; (E)habitus,dorsal view. Male:(B) habitus, lateral view; (D)face, frontal view; (F) habitus, dorsal view.Scale bars = 2mm.

FIGURE69. Inner view of hind leg.(A) Posterior spur pectinate (black arrow) in the female Colletes coquimbensis n. sp.; (B) spurciliate (black arrow)in the female C. atacamensis. Frontal view of face.(C)Clypeus bearing mid-longitudinal ridge below inthe female C.toroi n. sp. (white arrows); (D) clypeus without mid-longitudinal ridge below in thefemale C. longiceps. Scale bars = 1mm.

FIGURE71.Dorsalview of metasoma.(A) T1 coarsely punctatein the female Colletesatacamensis; (B)T1 minutely punctate in the female C. flavipilosus n. sp.; (C) marginal zones of T1–T5 dark-brown in the female C. sulcatus; (D) marginal zones of T1–T5 bright-yellow in the female C. flavipilosus n. sp.Scale bars = 1mm.

FIGURE74. Dorsal view of mesosoma and metasoma of the male Colletes atacamensis.(A) Punctures on T1 coarser than (B) those of mesoscutum.Dorsal view of mesosoma and metasoma of the male C. flavipilosus n. sp. (C) Punctureson T1 finer than (D) those of mesoscutum. Scale bars = 1mm.

FIGURE58. Colletes sulcatus Vachal, 1909.Female:(A) habitus, lateral view; (C) face,frontal view; (E)habitus, dorsal view. Male:(B) habitus, lateral view; (D)face, frontal view; (F) habitus, dorsal view.Scale bars = 2mm.