Erythmelus, Enock, 1909

Triapitsyn, Serguei V., Berezovskiy, Vladimir V., Hoddle, Mark S. & Morse, Joseph G., 2007, A review of the Nearctic species of Erythmelus (Hymenoptera: Mymaridae), with a key and new additions to the New World fauna, Zootaxa 1641 (1), pp. 1-64 : 6-8

publication ID	https://doi.org/ 10.11646/zootaxa.1641.1.1
publication LSID	lsid:zoobank.org:pub:E7C7AD48-AF05-46CB-802E-DA6C6B046E23
persistent identifier	https://treatment.plazi.org/id/F56F87A0-8663-EE24-FF60-FC159E94FC6A
treatment provided by	Felipe
scientific name	Erythmelus
status

Treatment

Key to subgenera and described species of Erythmelus View in CoL View at ENA in the New World, females

1 Forewing ( Fig. 2 View FIGURES 1–3 ) with anterior and posterior margins almost parallel beyond venation (forewing about as wide at apex of venation as at broadest part of blade), blade without a seta behind base of marginal vein (subgenus Parallelaptera Enock ) .................................................................................. E. (P.) rex (Girault)

- Forewing with margins not parallel, at most subparallel in E. (E.) reductus S. Triapitsyn ( Fig. 70 View FIGURES 69–71 ) and E. (E.) vladimir S. Triapitsyn & Fidalgo ( Fig. 7 View FIGURES 6, 7 ), usually much wider at broadest part of blade than at apex of marginal vein, blade with a seta behind base of marginal vein (subgenus Erythmelus Enock View in CoL ) .................. 2

2 F1 about as long as pedicel ( Fig. 4 View FIGURES 4, 5 ) ( agilis species group).......................................... E. (E.) agilis (Enock)

- F1 considerably shorter than pedicel ........................................................................................................... 3

3 Funicle apparently 4–segmented ( Fig. 6 View FIGURES 6, 7 ) due to a loss of F3 and a complete or partial fusion of F1 and F2 ....................................................................................................... E. (E.) vladimir S. Triapitsyn & Fidalgo

- Funicle normally 6–segmented, occasionally 5–segmented in some specimens (quite often in minute species that parasitize eggs of Tingidae View in CoL ) due either to a fusion of any two neighboring funicular segments or a loss of one of the funicular segments, usually F3 or F4 .............................................................................. 4

4 Forewing blade more or less uniformly setose, including behind venation ( Figs 9 View FIGURES 8, 9 , 12 View FIGURES 10–12 )............................. 5

- Forewing blade unevenly setose, bare behind venation (except for a seta behind base of marginal vein). 6

5 F4, F5 (usually), and F6 each with longitudinal sensilla ( Fig. 8 View FIGURES 8, 9 ) ........ E. (E.) coviellai S. Triapitsyn , sp. n.

- F6 with longitudinal sensilla ( Fig. 10 View FIGURES 10–12 ) ............................................................... E. (E.) hirtipennis Ogloblin View in CoL

6 F3 with 1 longitudinal sensillum ( Figs 13 View FIGURES 13, 14 , 15 View FIGURES 15, 16 )............................................................................................ 7

- F3 without longitudinal sensilla................................................................................................................... 8

7 F1 notably shorter and narrower than F2 ( Fig. 13 View FIGURES 13, 14 ); forewing blade hyaline in the middle.......................... .............................................................................................................. E. (E.) logarzoi S. Triapitsyn , sp. n.

- F1 subequal to F2 ( Fig. 15 View FIGURES 15, 16 ); forewing blade infuscate in the middle............................................................ ...................................................................................................... E. (E.) podaypodnos S. Triapitsyn , sp. n.

8 F5 with 1 or 2 longitudinal sensilla ............................................................................................................. 9

- F5 without longitudinal sensilla................................................................................................................. 12

9 F5 with 1 longitudinal sensillum and distinctly shorter than F6 ( Fig. 17 View FIGURES 17, 18 ) .................................................... ................................................................................................................. E. (E.) rosascostai Ogloblin View in CoL (part)

- F5 with 2 longitudinal sensilla and about as long as F6 ( Figs 22 View FIGURES 22, 23 , 24 View FIGURES 24, 25 , 26 View FIGURES 26, 27 ) ................................................ 10

10 Scape about 4 x as long as wide, notably dilated in the middle ( Figs 24 View FIGURES 24, 25 , 26 View FIGURES 26, 27 )........................................... 11

- Scape about 5 x as long as wide, slightly dilated in the middle ( Fig. 22 View FIGURES 22, 23 ) ............. E. (E.) clavatus Ogloblin View in CoL

11 Funicle relatively short ( Fig. 24 View FIGURES 24, 25 ), ratio of funicle length to clava length about 1.7:1................................... ............................................................................................................... E. (E.) mudrila S. Triapitsyn , sp. n.

- Funicle relatively long ( Fig. 26 View FIGURES 26, 27 ), ratio of funicle length to clava length at least 2.1:1.................................. .................................................................................................................. E. (E.) burtik S. Triapitsyn , sp. n.

12 F4 with 1 or 2 longitudinal sensilla ........................................................................................................... 13

- F4 without longitudinal sensilla................................................................................................................. 19

13 Forewing with long marginal cilia (longest marginal cilia: forewing width ratio at least 2.0:1) .................. ................................................................................................... E. (E.) toreador S. Triapitsyn , sp. n. (part)

- Forewing with shorter marginal cilia (longest marginal cilia: forewing width ratio at most 1.5:1).......... 14

14 Funicle relatively short, funicle length: clava length ratio at most 1.3:1................................................... 15

- Funicle relatively long, funicle length: clava length ratio at least 1.4:1.................................................... 17

15 Forewing blade with few setae in apical half ( Fig. 35 View FIGURES 34, 35 ) .......................... E. (E.) mikrob S. Triapitsyn , sp. n.

- Forewing blade with numerous setae in apical half ( Figs 38 View FIGURES 36–38 , 44 View FIGURES 42–44 ) ............................................................. 16

16 F4 as long as F6 ( Fig. 36 View FIGURES 36–38 ) ................................................................................... E. (E.) brachialis Ogloblin View in CoL

- F4 distinctly shorter than F6 ( Fig. 42 View FIGURES 42–44 ) ............................................................. E. (E.) psallidis Gahan View in CoL (part)

17 Apical 2/5 of forewing blade with numerous setae ( Fig. 48 View FIGURES 47, 48 ) .................................. E. (E.) picinus (Girault) View in CoL

- Apical 2/5 of forewing blade with few setae, only along margins ( Figs 54 View FIGURES 52–54 , 56 View FIGURES 55, 56 )....................................... 18

18 Ovipositor long, ovipositor length: metatibia length ratio at least 1.9:1 ........... E. (E.) angustatus Ogloblin View in CoL

- Ovipositor short, ovipositor length: metatibia length ratio at most 1.4:1..................... E. (E.) nanus Dozier View in CoL

19 Funicle with setae long, exceeding width of the segments ( Fig. 57 View FIGURES 57, 58 )............... E. (E.) verticillatus Ogloblin View in CoL

- Funicle with setae short, not exceeding width of the segments................................................................. 20

20 F2–F4 relatively long, each more than 2 x as long as wide ( Figs 19 View FIGURES 19–21 , 59 View FIGURES 59–62 , 63 View FIGURES 63, 64 , 65 View FIGURES 65, 66 ) ..................................... 21

- F2–F4 relatively short, at least one segment less than 2 x as long as wide ............................................... 24

21 Ovipositor long, ovipositor length: metatibia length ratio 2.1:1 ................................. E. (E.) noeli (Dozier) View in CoL

- Ovipositor short, ovipositor length: metatibia length ratio at most 1.6:1 .................................................. 22

22 Forewing ( Fig. 64 View FIGURES 63, 64 ) at most 4.8 x as long as wide, longest marginal cilia at most 1.5 x greatest forewing width ............................................................................................................ E. (E.) gak S. Triapitsyn , sp. n.

- Forewing ( Figs 20 View FIGURES 19–21 , 66 View FIGURES 65, 66 ) at least 5.3 x as long as wide, longest marginal cilia at least 1.6 x greatest forewing width .......................................................................................................................................................... 23

23 Apical half of forewing more or less uniformly setose ( Fig. 20 View FIGURES 19–21 ); ovipositor length: metatibia length ratio at most 1.1:1 ......................................................................................................... E. (E.) rosascostai Ogloblin View in CoL

- Apical half of forewing unevenly setose, with distinct bare areas ( Fig. 66 View FIGURES 65, 66 ); ovipositor length: metatibia length ratio at least 1.6:1 ........................................................................ E. (E.) fidalgoi S. Triapitsyn , sp. n.

24 F4 notably longer than F3 and F5 ( Fig. 30 View FIGURES 30, 31 )............................... E. (E.) toreador S. Triapitsyn , sp. n. (part)

- F4 at most about as long as F3 and F5....................................................................................................... 25

25 Midlobe of mesoscutum with anterior half or so brown to dark brown and posterior half or so contrastingly yellow or light brown ............................................................................... E. (E.) flavovarius (Walker) View in CoL

- Midlobe of mesoscutum mostly brown to dark brown except for a pale, or yellow, or light brown transverse submedian stripe, or sometimes uniformly brown........................................................................... 26

26 Forewing blade notably infuscate throughout, with only 2 incomplete rows of setae ( Fig. 70 View FIGURES 69–71 ) ................... ......................................................................................................................... E. (E.) reductus S. Triapitsyn

- Forewing blade more or less hyaline, with more numerous setae arranged in more than 2 rows............. 27

27 Ovipositor length: metatibia length ratio at least 1.8:1...................................... E. (E.) miridiphagus Dozier View in CoL

- Ovipositor length: metatibia length ratio at most 1.6:1 ............................................................................. 28

28 Minute (body length usually less than 550 µm); F1–F5 usually subquadrate or transverse, at most slightly longer than wide ( Figs 74 View FIGURES 74, 75 , 76 View FIGURES 76–80 ); funicle often 5–segmented due to a fusion of any two neighboring funicular segments ( Figs 77–79 View FIGURES 76–80 ) or a loss of one of the funicular segments, usually of F3 or F4 (egg parasitoids of Tingidae View in CoL )................................................................................................................................................ 29

- Larger (body length usually at least 600 µm); one or more funicular segments among F1–F5 clearly longer than wide; funicle normally 6–segmented (one species, E. (E.) psallidis Gahan View in CoL , parasitic in eggs of Miridae View in CoL ; host associations of other species unknown) .............................................................................. 30

29 F6 with 2 longitudinal sensilla; midlobe of mesoscutum with a yellow or light brown transverse submedian stripe ........................................................................................................ E. (E.) tingitiphagus (Soares) View in CoL

- F6 with 1 longitudinal sensilla; midlobe of mesoscutum uniformly brown.................................................. ............................................................................................................ E. (E.) klopomor S. Triapitsyn , sp. n.

30 Forewing ( Fig. 44 View FIGURES 42–44 ) at least 4.3 x as long as wide ............................................ E. (E.) psallidis Gahan View in CoL (part)

- Forewing at most 4.2 x as long as wide..................................................................................................... 31

31 Forewing irregularly setose in apical half ( Fig. 82 View FIGURES 81–83 )............................................... E. (E.) gracilis (Howard) View in CoL

- Forewing irregularly setose in apical quarter only ( Figs 86 View FIGURES 84–86 , 89 View FIGURES 87–89 )............................................................... 32

32 Funicle relatively longer ( Fig. 84 View FIGURES 84–86 ), funicle length: clava length ratio 1.3:1; forewing ( Fig. 86 View FIGURES 84–86 ) 4.7 x as long as wide; ovipositor length: metatibia length ratio 1.6:1 ..................................... E. (E.) cingulatus Ogloblin View in CoL

- Funicle relatively shorter ( Fig. 87 View FIGURES 87–89 ), funicle length: clava length ratio 1.2:1; forewing ( Fig. 89 View FIGURES 87–89 ) 4.2 x as long as wide; ovipositor length: metatibia length ratio 1.4:1 .............................. E. (E.) pastoralis Ogloblin View in CoL