Dirrhope Foerster, 1851

Ranjith, A. P., Samartsev, K. G. & Nasser, M., 2021, Discovery of the braconid subfamily Dirrhopinae van Achterberg (Hymenoptera Ichneumonoidea) from the Indian subcontinent with the description of a new species from south India, Zootaxa 4908 (2), pp. 251-262 : 252-253

Key to Dirrhope Foerster species

1. Propodeum without sublateral cells near areola ( Figs 1F , 6B ); metasoma yellow.................................... 2

- Propodeum with sublateral cells near areola ( Figs 4C , 7F ); metasoma apically brown............................... 3

2. Face without distinct midlongitudinal carina ( Fig. 5B ); mesosoma as long as metasoma; pterostigma pale apically ( Fig. 6C ); eye 1.35–1.4 × as long as broad; fore wing vein 1-CU1 0.8 × cu-a; face rugulose-striate ( Fig. 5B ); areola of propodeum smooth ( Fig. 6B ); fore wing vein 2-SR straight ( Fig. 6B ) [ Australia, Russia, Vietnam].............. Dirrhope minor Belokobylskij

- Face with distinct midlongitudinal carina ( Fig. 1B ); mesosoma 1.5 × as long as metasoma; pterostigma entirely dark brown ( Fig. 2C ); eye 2.2 × as long as broad; fore wing vein 1-CU1 1.3 × cu-a; face granulate ( Fig. 1B ); areola of propodeum sculptured basally ( Fig. 1F ); fore wing vein 2-SR sinuate ( Fig. 2C ) [ India]................... Dirrhope indica Ranjith sp. nov.

3. Antenna 18–19 antennomeres; first flagellomere 2.0 × as long as wide; radial cell in the hind wing is divided by a desclerotized transverse vein [ Russia]........................................................... Dirrhope eoa Belokobylskij

- Antenna 21–23 antennomeres; first flagellomere 2.0–3.0 × as long as wide; radial cell in the hind wing is not divided by the transverse vein....................................................................................... 4

4. Midlongitudinal carina of propodeum as long as propodeal fork; malar space less than 0.5 × basal width of mandible; body yellow; first flagellomere 2.0 × as long as wide [ U.S.A.]............................. Dirrhope americana Muesebeck

- Midlongitudinal carina of propodeum distinctly longer than propodeal fork ( Fig. 7F ); malar space 0.5–1.0 × basal width of mandible; body brown ( Fig. 7A ); first flagellomere 3.0 × as long as wide......................................... 5

5. Mesopleuron entirely sculptured ( Fig. 7E ); fore wing vein 2-1A not sclerotised ( Fig. 8B ); malar space as long as basal width of mandible ( Fig. 7B ); head 1.5 × as wide as medial length in dorsal view; length of eye 2.7 × as long as temple in dorsal view; hind tibia 5.0 × as long as maximum width [ Germany, Hungary, Japan, Korea, Moldova, Romania, Russia]................................................................................................. Dirrhope rufa Foerster

- Mesopleuron reticulate-rugose anteriorly, smooth posteriorly; fore wing vein 2-1A sclerotised; malar space 0.5 × as long as basal width of mandible; head 1.5 × as wide as medial length in dorsal view; length of eye 1.5 × as long as temple in dorsal view; hind tibia 5.0 × as long as maximum width [ China]......................... Dirrhope shawi Wu, Chen & Huang

Figures

FIGURE 1. Dirrhope indica Ranjith sp. nov., holotype, female A) Habitus, lateral view, B) Head, anterior view, C) Head, dorsal view, D) Mesosoma, dorsal view, E) Head and mesosoma, lateral view, F) Propodeum, dorsal view.

FIGURE 2. Dirrhope indica Ranjith sp. nov., holotype, female A) Metasoma, dorsal view, B) Metasoma, lateral view, C) Wings.

FIGURE 4. Dirrhope eoa Belokobylskij (A, C, D—holotype, B—paratype), female A) Head and mesosoma, lateral view, B) Head and mesosoma, oblique view, C) Propodeum, dorsal view, D) Wings.

FIGURE 5. Dirrhope minor Belokobylskij (A–C, E, F – holotype, D – paratype), female A) Habitus, lateral view, B) Head, anterior view, C) Head, dorsal view, D) Head, ventral view, E) Mesosoma, dorsal view, F) Head and mesosoma, lateral view.

FIGURE 6. Dirrhope minor Belokobylskij, holotype, female A) Head, lateral view, B) Propodeum, dorsal view, C) Wings.

FIGURE 7. Dirrhope rufa Foerster, female A) Habitus, lateral view, B) Head, anterior view, C) Head, dorsal view, D) Mesosoma, dorsal view, E) Head and mesosoma, lateral view, F) Propodeum, dorsal view.

FIGURE 8. Dirrhope rufa Foerster A) Head, ventral view, B) Wings.