Cystomastacoides van Achterberg, 1997

Ranjith, A. P. & Priyadharsanan, Dharma Rajan, 2018, Revision of Cystomastacoides van Achterberg (Hymenoptera: Braconidae) with the description of two new species from south India, Zootaxa 4387 (2), pp. 365-374 : 366

Key to the species of Cystomastacoides van Achterberg

1 First metasomal tergite less than 2.00× longer than posteriorly wide; mesoscutum medio-posteriorly broadly depressed, without distinct oval pit; propodeum anteriorly largely shiny with deep punctures................. C. kiddo Quicke & Butcher

- First metasomal tergite more than 2.00× longer than posteriorly wide; mesoscutum medio-posteriorly with deep, narrow oval pit ( Figs 1E , 3E ); propodeum anteriorly largely rugose........................................................ 2

2 Occipital carina strongly wavy; pterostigma entirely black; wing membrane entirely hyaline......... C. asotaphaga Quicke

- Occipital carina more or less evenly rounded ( Figs 1C , 3C ); pterostigma variable; wing membrane at least weakly infuscate apically ( Fig. 2E )...................................................................................... 3

3 Mesosoma reddish brown ( Figs 1E, F ); medial flagellomere 3.00× as long as wide; first metasomal tergite 3.70× as long as apically wide; fore wing infuscate apically ( Fig. 2E )..................................... C. sachini Ranjith sp. nov.

- Mesosoma yellow or dark yellow; medial flagellomere less than 3.00× as long as wide; first metasomal tergite less than 3.00× as long as apically wide; fore wing more or less infuscate apically............................................... 4

4 Hind wing vein R quadrate; pterostigma and venation yellowish brown; third segment of maxillary palp 3.10× as long as wide................................................................................ C. coxalis van Achterberg

- Hind wing vein R distinctly transverse ( Fig. 5B ); pterostigma variable; third segment of maxillary palp more than 3.10× longer than maximally wide................................................................................... 5

5 Third segment of maxillary palp 5.00× as long as wide with weak expansion; antenna black basally; hypopygium brown to black; distance between posterior ocellus and eye smooth; fore wing vein 1CUb 4.10× as long as 1CUa; fourth metasomal tergite finely punctate......................................................... C. nicolepeelerae Quicke & Butcher

- Third segment of maxillary palp 4.00× as long as wide with distinct expansion; antenna dark yellow basally ( Fig. 3A ); hypopygium dark yellow ( Fig. 4E ); distance between posterior ocellus and eye transversely striate ( Fig. 3C ); fore wing vein 1CUb 3.70× as long as1CUa; fourth metasomal tergite longitudinally striate ( Fig. 4D )............... C. yuvaraji Ranjith sp. nov.

Figures

FIGURE 1. Cystomastacoides sachini Ranjith sp. nov., female, holotype; A) Habitus, in lateral view; B) Head, in anterior view; C) Head, in dorsal view; D) Maxillary and labial palps, in lateral view; E) Mesosoma, in dorsal view; F) Mesosoma, in lateral view.

FIGURE 3. Cystomastacoides yuvraji Ranjith sp. nov., female, holotype; A) Habitus, in lateral view; B) Head, in anterior view; C) Head, in dorsal view; D) Head, maxillary and labial palps, in lateral view; E) Mesosoma, in dorsal view; F) Mesosoma, in lateral view.

FIGURE 4. Cystomastacoides yuvraji Ranjith sp. nov., female, holotype; A) Propodeum, in oblique view; B) First metasomal tergite, in dorsal view; C) Metasomal tergite 2 & 3, in dorsal view; D) Metasomal tergites 4–6, in dorsal view; E) Metasomal tergites 5 & 6, hypopygium, in lateral view; F) Hind tarsal claw, in lateral view.

FIGURE 5. Cystomastacoides yuvraji Ranjith sp. nov., female, holotype; A) Wings; B) Hind wing.

FIGURE2. Cystomastacoides sachini Ranjithsp. nov., female, holotype; A) Propodeum, inoblique view; B)Secondand third metasomal tergites, in dorsal view; C) Metasomal tergites 4–6, in dorsal view; D) Metasomal tergites 5 & 6, hypopygium, in lateral view; E) Wings; F) Hind wing.