Plumarius,

Diez, Patricia A. & Roig-Alsina, Arturo, 2016, Revision of Plumarius Philippi 1873 (Hymenoptera: Chrysidoidea, Plumariidae) from Argentina north of Patagonia, with description of eighteen new species, Zootaxa 4098 (3), pp. 442-470: 443-445

publication ID

http://doi.org/10.11646/zootaxa.4098.3.2

publication LSID

lsid:zoobank.org:pub:67A12790-C853-4543-B60B-55F4D437B363

persistent identifier

http://treatment.plazi.org/id/8E5B87E9-6D65-F476-4192-F92CFA2AFED7

treatment provided by

Plazi

scientific name

Plumarius
status

 

Key to males of Plumarius  from Argentina north of Patagonia

1. Lateral ocelli in frontal view reaching or surpassing upper margin of head ( Fig. 21 AView FIGURE 21. A).............................. 2

- Lateral ocelli in frontal view not reaching upper margin of head ( Figs 2View FIGURE 2 A – 18 A)................................... 4

2. Malar area as long as apical width of F 1; lower area of genal bridge close to mandibular articulation with carinae ( Fig. 21View FIGURE 21. A B) (Vertex smooth anteriorly, without punctures)................................ P. stangei Diez, Fidalgo & Roig-Alsina 

- Malar area 1.3–1.9 × as long as apical width of F 1; lower area of genal bridge close to mandibular articulation smooth, without carinae............................................................................................. 3

3. Vertex densely punctate anteriorly; metatrochanter with ventral setose area, such area absent on ventral surface of coxa........................................................................ P. culminatus Diez, Fidalgo & Roig-Alsina 

- Vertex smooth anteriorly, without punctures; metacoxa and, metatrochanter with ventral setose areas..... P. willinki Fidalgo 

4. Radiating striae arising close to anterior mandibular articulation running up to malar area, antennal insertion and supraclypeal area; clypeus with at least few striae laterally; aedeagus with preapical spines (except P. s p in i fe r u s)................... 5

- Radiating striae absent, a single furrow runs from near anterior mandibular articulation to antennal insertion; clypeus without striae; aedeagus without preapical spines..................................................... P. politus  sp. nov.

5. Face in lateral view not bigibbous, either clypeus or supraclypeal area alone strongly convex, or both slightly convex to flat..................................................................................................... 6

- Face in lateral view bigibbous, due to convex clypeus and convex supraclypeal area ( Fig. 21View FIGURE 21. A C)......... P. hirticornis André 

6. Metacoxa on under surface with specialized setose area ( Fig. 21View FIGURE 21. A D).............................................. 7

- Metacoxa on under surface with hairs sparse, similar to those under mid coxa..................................... 10

7. Maxillary palp short, segments 4–6 as long as or shorter than segment three; scape basally swollen or projected.......... 8

- Maxillary palp long, segments 4–6 1.3–1.6 × as lon as segment 3; scape without basal swellings or projections............................................................................................. P. filipalpis Roig  -Alsina

8. Supraclypeal area with step-like protuberance ( Fig. 21View FIGURE 21. A E); scape basally with ventral compressed, rounded expansion............................................................................................. P. gradifrons Diez 

- Supraclypeal area flat in profile; scape cylindrical or projected into spine........................................ 9

9. Scape with basal spiniform projection ( Fig. 21View FIGURE 21. A F); maginal cell with anterior margin 2.6 × posterior margin................................................................................................. P. spiniferus Roig-Alsina 

- Scape cylindrical ( Fig. 3View FIGURE 3 C); marginal cell with anterior margin 1.8–2.2 × posterior margin.......... P. sarophorus  sp. nov.

10. T 7 with median longitudinal carina ( Fig. 4View FIGURE 4 D).............................................................. 11

- T 7 without median longitudinal carina................................................................... 12

11. Clypeus with a globular median prominence ( Fig. 4View FIGURE 4 C); marginal cell with anterior margin 2.4 × longer than posterior margin.................................................................................... P. globulosus  sp. nov.

- Clypeus slightly convex to flat; marginal cell with anterior margin 3.2 × longer than posterior margin … P. angulatus  sp. nov.

12. Median ocellus in frontal view crossed by ( Figs 1View FIGURE 1, 4View FIGURE 4 A), or tangent to ( Fig. 9View FIGURE 9 A) supra-torular line; genal carina present.... 13

- Median ocellus in frontal view above supra-torular line ( Fig. 14View FIGURE 14 A); genal carina usually absent....................... 20

13. Marginal cell with anterior margin 2.5 –3.0 × longer than posterior margin........................................ 14

- Marginal cell with anterior margin 1.9–2.4 × longer than posterior margin...................................... 16

14. Area anterior to pronotal lobe smooth; propodeum behind spiracle not swollen......................... P. no a sp. nov.

- Area anterior to pronotal lobe with striae; propodeum elevated behind spiracle.................................... 15

15. Malar area short (1.0– 1.1 × apical width of F 1); outer margins of malar areas in frontal view diverging from margin of eye to margin of mandible ( Fig. 7View FIGURE 7 A, arrow); punctures of anterior part of mesoscutum usually not extending beyond notauli; apex of paramere rounded..................................................................... P. divergens  sp. nov.

- Malar area long (1.3–1.8 × apical width of F 1); outer margins of malar areas in frontal view parallel ( Fig. 8View FIGURE 8 A); punctures of anterior part of mesoscutum extending beyond notauli on anterior dorsal surface; apex of paramere truncate ( Fig. 8View FIGURE 8 D, F).......................................................................................... P. malaris  sp. nov.

16. Median ocellus in frontal view tangent to supra-torular line ( Fig. 9View FIGURE 9 A); torulus separated from lateral ocellus by 0.80 × distance to margin of clypeus.................................................................... P. gracilior  sp. nov.

- Median ocellus in frontal view crossed by supra-torular line ( Fig. 10View FIGURE 10 A); torulus separated from lateral ocellus by 0.30–0.40 × distance to margin of clypeus........................................................................... 17

17. F 1 short, approximately as long as distance from upper margin of clypeus to lower margin of median ocellus (1:1.0– 1.2) ( Fig. 1View FIGURE 1, a).............................................................................................. 18

- F 1 longer than distance from upper margin of clypeus to lower margin of median ocellus (1: 1.3–1.4)............... … 19

18. Head in frontal view as wide as long; lateral ocelli in frontal view usually above imaginary line tangent to upper margin of eyes ( Fig. 10View FIGURE 10 A)............................................................................ P. riojanus  sp. nov.

- Head in frontal view 1.3 wider than long; lateral ocelli in frontal view crossed by imaginary line tangent to upper margin of eyes ( Fig. 11View FIGURE 11 A).................................................................... P. exophthalmus  sp. nov.

19. Propodeum swollen behind spiracle; clypeus in profile nearly flat ( Fig. 12View FIGURE 12 C)....................... P. planatus  sp. nov.

- Propodeum not swollen behind spiracle; clypeus in profile more convex ( Fig. 13View FIGURE 13 C)................ P. albinervis  sp. nov.

20. Scape basally without ventral rounded projection.......................................................... 21

- Scape basally with ventral rounded projection ( Fig. 14View FIGURE 14 C)........................................ P. t u m i d u lu s Papp

21. Apical margin of clypeus pointed ( Fig. 16View FIGURE 16 A) or rounded; clypeus 1.3–1.4 × wider than high; protarsomere 1 with two outer lat- eral spines......................................................................................... 22

- Apical margin of clypeus nearly straight; clypeus transverse (1.6 × wider than high) ( Fig. 15View FIGURE 15 A); protarsomere 1 without outer lateral spines......................................................................... P. truncatus  sp. nov.

22. Marginal cell with anterior margin 2.1 × as long as posterior margin, or longer, apex of cell narrowed................. 23

- Marginal cell with anterior margin at most 1.8 × as long as posterior margin, apex of cell obtuse.................... 24

23. OOD 2.7 –3.0 × maximum diameter of lateral ocellus...................................... P. mikrommatus  sp. nov.

- OOD 1.8 × maximum diameter of lateral ocellus............................................. P. obscurus  sp. nov.

24. Torulus closer to lateral ocellus than to clypeus (1.4:2.0– 1.2:2.0); marginal cell narrowed in central area, shortest distance between pterostigma and vein 4 Rs, 0.28 × length of posterior margin of cell (r –rs) ( Fig. 18View FIGURE 18 D).......... P. gracilis  sp. nov.

- Torulus nearly as close to lateral ocellus as to clypeus (1.4: 1.5); marginal cell wider in central area, shortest distance between pterostigma and vein 4 RS, 0.55–0.70 × length of posterior margin of cell........................................ 25

25. OOD 1.6–1.7 × maximum diameter of elipsoidal lateral ocellus; lateral striae of clypeus extending on lateral third of clypeus...................................................................................... P. fidalgoi  sp. nov.

- OOD 2.3–2.5 × maximum diameter of lateral ocellus, which is nearly circular; lateral striae of clypeus extending on lateral fourth of clypeus..................................................................... P. ocellulatus  sp. nov.