Itoplectis

Khalaim, Andrey I. & Ruíz-Cancino, Enrique, 2021, Darwin wasps of the subfamily Pimplinae (Hymenoptera: Ichneumonidae) of Mexico: genera Apechthis Förster, Itoplectis Förster and Pimpla Fabricius, Zootaxa 5071 (4), pp. 451-491 : 456

Key to species of Itoplectis occurring in Mexico

1. Submetapleural carina distinct ( Figs 6 , 9 ). Mesosoma black except white upper posterior corner of pronotum ( Figs 5 , 7 ).... 2

- Submetapleural carina absent ( Fig. 13 ). Mesosoma sometimes partly red or pale brownish yellow ( Fig. 13 ).............. 3

2. Hind tibia broadly black at base and apex, with submedian about 0.4 white ( Fig. 5 ). Metasomal tergites with narrow but distinct white band on hind margin dorsally ( Fig. 5 ). Ovipositor sheath almost twice as long as first tergite, or about as long as hind tibia ( Fig. 5 )............................................................................ 1. I. conquisitor (Say)

- Hind tibia predominantly white with fuscous markings at base and apex ( Fig. 8 ). Metasomal tergites with very thin pale band on hind margins ( Fig. 10 ). Ovipositor sheath 1.1–1.3× as long as first tergite, or 0.65–0.85× as long as hind tibia ( Fig. 7 )............................................................................. 3. I. mexicana Kasparyan & Niño

3. Body almost entirely black with only upper posterior corner of pronotum, tegula, upper part of mesepimeron and apex of postscutellum white. [Male with tarsal claws of fore leg with basal tooth ( Fig. 20 ).] ........... 5. I. nigrithorax Kasparyan

- Mesosoma partly red or pale brownish yellow.............................................................. 4

4. Mesosoma pale brownish yellow ( Fig. 19 ). Tergites 1 and 2 predominantly black with yellow markings, following tergites reddish brown with whitish yellow markings ( Fig. 19 )................................... 4. I. multicolor Kasparyan

- Mesosoma with extensive red markings on mesoscutum, scutellum and mesopleuron ( Fig. 13 ). Metasomal tergites black with white hind margins ( Fig. 11 )............................................................................ 5

5. Mesopleuron red with black mesepimeron ( Fig. 16 ). Tergites 2 and 3 almost impunctate on median elevation. Laterotergites 2–6 with fuscous marks................................................................ 2. I. gonzalezi Kasparyan

- esopleuron red with extensive black markings, mesepimeron pale at least in upper part ( Fig. 13 ). Tergites 2 and 3 with moderately dense distinct punctures on median elevation ( Fig. 14 ). Laterotergites 2–6 white ( Fig. 15 )....... 6. I. specularis Kasparyan

Figures

FIGURES 5, 6. Itoplectis conquisitor, female (USA): 5—habitus, lateral; 6—posterior part of metasoma, lateral.

FIGURES 7–10. Itoplectis mexicana, female: 7—habitus, lateral; 8—hind leg, lateral; 9—mesopleuron, metapleuron and propodeum, ventro-lateral; 10—metasomal tergites 2–7, dorsal.

FIGURES 11–15. Itoplectis specularis, female: 11—habitus (without antennae), lateral; 12—head, front; 13—mesosoma, lateral; 14—metasomal tergites 2–4, dorsal; 15—central part of metasoma, ventro-lateral.

FIGURES 16–20. Itoplectis gonzalezi, female (16) and male (17): 16—mesosoma with hind leg, lateral; 17—apex of metasoma, lateral.Itoplectis mexicana, female: 18—fore tarsal claw, lateral.Itoplectis multicolor, female:19—body with hind leg. Itoplectis nigrithorax, male: 20—fore tarsal claw, lateral. (After Kasparyan 2007, with changes.)