Mymaridae

Triapitsyn, Serguei V., 2006, A key to the Mymaridae (Hymenoptera) egg parasitoids of proconiine sharpshooters (Hemiptera: Cicadellidae) in the Nearctic region, with description of two new species of Gonatocerus, Zootaxa 1203, pp. 1-38 : 4-6

publication ID

https://doi.org/ 10.5281/zenodo.172335

DOI

https://doi.org/10.5281/zenodo.6263483

persistent identifier

https://treatment.plazi.org/id/03B187FB-4C4B-A964-B553-FD73C279FB82

treatment provided by

Plazi

scientific name

Mymaridae
status

 

Key to genera and species of Mymaridae View in CoL View at ENA , egg parasitoids of Proconiini (Cicadellidae) in the Nearctic region

1 Tarsi 4­segmented ......................................................................................................... 2

­ Tarsi 5­segmented ( Gonatocerus Nees View in CoL ) ....................................................................... 4

2 Metasoma distinctly petiolate; forewing blade with dark bands and modified setae ( Fig. 1 View FIGURES 1, 2. 1 ) ............................................................................. Acmopolynema sema Schauff View in CoL

­ Metasoma sessile ( Fig. 2 View FIGURES 1, 2. 1 ); forewing blade without dark bands or modified setae ( Anagrus Haliday View in CoL ) ........................................................................................................ 3

3 Forewing narrow ( Fig. 2 View FIGURES 1, 2. 1 ), 8.0–9.5x as long as wide; clava of female antenna with 5 longitudinal sensilla ...................................................................... Anagrus epos View in CoL Girault

­ Forewing wide, 4.5–4.9x as long as wide; clava of female antenna with 6 longitudinal sensilla .............................................................. Anagrus stethynioides View in CoL S. Triapitsyn

4 Female (flagellum clavate, consisting of 8­segmented funicle and 1­segmented clava) ....................................................................................................................................... 5

­ Male (flagellum filiform, 11­segmented) ................................................................... 15

5 Propodeum distinctly rugose lateral to submedial carinae ( Figs 4 View FIGURES 3, 4 , 8 View FIGURES 5 – 8 , 11 View FIGURES 9 – 13 ) ( morrilli View in CoL subgroup) ...................................................................................................................... 6

­ Propodeum smooth lateral to submedial carinae (as in Fig. 23 View FIGURES 21 – 24 ) (ater subgroup) ........ 8

6 Body mostly dark brown to black; F5 brown basally and whitish or light brownish apically, F6 whitish­light brownish ( Fig. 3 View FIGURES 3, 4 ) ...................... G. morgani View in CoL S. Triapitsyn, sp. n.

­ Body mostly yellow­brown; both F5 and F6 white (as in Fig. 10 View FIGURES 9 – 13 ) .............................. 7

7 Propodeum with submedial carinae parallel and closer to each other ( Fig. 8 View FIGURES 5 – 8 ) .............. ........................................................................................................ G. morrilli (Howard) View in CoL

­ Propodeum with submedial carinae curved and more apart from each other ( Fig. 11 View FIGURES 9 – 13 ). ................................................................................ G. walkerjonesi View in CoL S. Triapitsyn, sp. n.

8 Forewing with cubital row of microtrichia complete, extending to base of marginal vein ( Figs 16, 17 View FIGURES 15 – 17 , 24 View FIGURES 21 – 24 , 27 View FIGURES 26 – 28 ) ............................................................................................. 9

­ Forewing with cubital row of microtrichia incomplete, not extending to base of marginal vein (no microtrichia behind marginal vein, at most a few microtrichia just behind apex of venation) ( Figs 28 View FIGURES 26 – 28 , 30) ...................................................................... 13

9 F5–F7 distinctly lighter than other funicle segments ( Fig. 15 View FIGURES 15 – 17 ) ...... G. atriclavus View in CoL Girault

­ F5–F7 more or less concolorous with other funicle segments ................................... 10

10 Forewing blade with a narrow, distinct brown fascia extending from stigmal vein to hind margin ( Fig. 17 View FIGURES 15 – 17 ) ....................................................................... G. fasciatus View in CoL Girault

­ Forewing blade without such a fascia or slightly, more or less uniformly, infumated ... ..................................................................................................................................... 11

11 Head and mesosoma mostly yellow, with some brown ( Fig. 20 View FIGURE 20 ) .. G. triguttatus View in CoL Girault

­ Head and mesosoma mostly dark brown (as in Fig. 25 View FIGURE 25 ) except mesosomal sternum with a distinct, well­defined yellow streak between each fore and middle coxae ( Fig. 22 View FIGURES 21 – 24 ) ............................................................................................................................... 12

12 F1 without longitudinal sensilla ( Fig. 21 View FIGURES 21 – 24 ); forewing almost hyaline, at most with a faint, uniform brownish tinge ( Fig. 24 View FIGURES 21 – 24 ) ........................................... G. ashmeadi View in CoL Girault

­ F1 usually with 2 longitudinal sensilla ( Fig. 26 View FIGURES 26 – 28 ), rarely with 1 sensillum; forewing blade notably infuscated beyond venation, more conspicuously so behind tip of venation ( Fig. 27 View FIGURES 26 – 28 ) .................................................................................... G. uat View in CoL S. Triapitsyn

13 Forewing blade with a distinct infumate spot just beyond apex of venation ( Fig. 28 View FIGURES 26 – 28 ) .. ................................................................................................... G. novifasciatus View in CoL Girault

­ Forewing blade without infumate spot (as in Fig. 30) (the incomptus View in CoL / impar View in CoL complex) ..................................................................................................................................... 14

14 F3–F8 each with 2 longitudinal sensilla (Fig. 29) ........................... G. incomptus View in CoL Huber

­ At least one funicle segment among F3–F6 without longitudinal sensilla or only with 1 sensillum, in different combinations (Figs 31–34) ......................................................... ............................................................. G. impar View in CoL Huber, G. sp(p). near incomptus View in CoL / impar View in CoL

15 Propodeum distinctly rugose lateral to submedial carinae ( Figs 4 View FIGURES 3, 4 , 8 View FIGURES 5 – 8 , 11 View FIGURES 9 – 13 ) ( morrilli View in CoL subgroup) .................................................................................................................... 16

­ Propodeum smooth lateral to submedial carinae (as in Fig. 23 View FIGURES 21 – 24 ) (ater subgroup) ...... 18

16 Mesosoma dark brown to black; forewing blade hyaline (as in Fig. 5 View FIGURES 5 – 8 ) ......................... ....................................................................................... G. morgani View in CoL S. Triapitsyn, sp. n.

­ Mesosoma yellowish­brown; forewing blade with an infumate spot (sometimes inconspicuous) just beyond venation (as in Fig. 12 View FIGURES 9 – 13 ) ........................................................... 17

17 Propodeum with submedial carinae parallel and closer to each other (as in Fig. 8 View FIGURES 5 – 8 ); apodeme of genital sternite almost as long as aedeagal apodemes ( Fig. 9 View FIGURES 9 – 13 ) ......................... ........................................................................................................ G. morrilli (Howard) View in CoL

­ Propodeum with submedial carinae curved and more apart from each other (as in Fig. 11 View FIGURES 9 – 13 ); apodeme of genital sternite notably longer than aedeagal apodemes ( Fig. 14 View FIGURE 14 ) ...... ................................................................................ G. walkerjonesi View in CoL S. Triapitsyn, sp. n.

18 Forewing with cubital row of microtrichia complete, extending to base of marginal vein ( Figs 16, 17 View FIGURES 15 – 17 , 24 View FIGURES 21 – 24 , 27 View FIGURES 26 – 28 ) ........................................................................................... 19

­ Forewing with cubital row of microtrichia incomplete, not extending to base of marginal vein (no microtrichia behind marginal vein, at most a few microtrichia just behind apex of venation) (as in Figs 28 View FIGURES 26 – 28 , 30) .............................................................. 23

19 Forewing blade with a narrow, distinct brown fascia extending from stigmal vein to hind margin (as in Fig. 17 View FIGURES 15 – 17 ) ............................................................... G. fasciatus View in CoL Girault

­ Forewing blade without such a fascia or slightly, more or less uniformly, infumated 20

20 Mesosoma dorsally yellow­orange or light brown to brown ..................................... 21

­ Mesosoma completely dark brown ............................................................................ 22

21 Mesosoma dorsally yellow­orange, with some brown ................... G. triguttatus View in CoL Girault

­ Mesosoma dorsally light brown to brown, with some dark brown G. atriclavus Girault View in CoL

22 Forewing almost hyaline, at most with a faint, uniform brownish tinge (as in Fig. 24 View FIGURES 21 – 24 ) (widespread in southeastern USA, southern and south­central California, as well as in northeastern Mexico (Nuevo León and Tamaulipas North of [and including] Ciudad Victoria) .......................................................................................... G. ashmeadi View in CoL Girault

­ Forewing blade notably infuscated beyond venation, more conspicuously so behind tip of venation (as in Fig. 27 View FIGURES 26 – 28 ) (in the Nearctic region, occurring only in the southernmost Nearctic part of Tamaulipas, Mexico, South of [but excluding] Ciudad Victoria) ........ .......................................................................................................... G. uat View in CoL S. Triapitsyn

23 Forewing blade with a distinct infumate spot just beyond apex of venation, not reaching anterior margin (as in Fig. 28 View FIGURES 26 – 28 ) ............................................. G. novifasciatus View in CoL Girault

­ Forewing blade hyaline, without infumate spot (as in Fig. 30) (the incomptus View in CoL / impar View in CoL complex) ........... G. incomptus View in CoL Huber, G. i m p a r Huber, G. sp(p). near incomptus View in CoL / impar View in CoL

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hymenoptera

Family

Mymaridae

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