Dasyproctus

Modified Key to Indian Dasyproctus (from Binoy et al. 2021b) Females (Female unknown for D. attenboroughi, D. yesudasi sp. nov., D. oppidanus Leclercq, D. niger & D. tsunekii) 1. Anterior carina of pronotal collar bending towards insertion of fore coxa......................................... 2 – Anterior carina of pronotal collar laterally curving towards pronotal lobe......................................... 3 2. Frons and vertex with distinct impressed punctation; IOC indistinct; brownish translucent lamellar expansion present on scapal basin; deep excavation beyond IOC....................................................... idrieus (Cameron) – Frons and vertex matt, punctation shallow; IOC well defined; scapal basin without lamellar expansion; excavation beyond IOC absent............................................................................... buddha (Cameron) 3. Legs black with yellow markings........................................................................ 4 – Legs ferruginous with yellow markings [Gt3 and Gt4 immaculate]................................. pulveris (Nurse) 4. Head, mesosoma and metasoma (at least on Gt1) with spaced uniform punctures, setae sparse; clypeus dentate medio-apically; scutellum and terga with yellow markings................................................................. 5 – Head and mesosoma with irregular deep pits and dense setae; clypeus medio-apically truncate, slightly bevelled; scutellum and terga entirely black................................................ leclercqi Binoy, Girish Kumar & Santhosh 5. Clypeus either bidentate or truncate with sharp lateral indentations; POD subequal to OOD.......................... 6 – Clypeus quadridentate, with median indentation formed by overhanging prolongation of median carina; POD distinctly shorter than OOD............................................................................. pentheri Leclercq 6. Apical margin of clypeus truncate; metasoma immaculate [large species (11 mm); hind femur markedly angulate dorsally; scutellum with conspicuous large pits]...................................................... opifex (Bingham) – Apical margin of clypeus distinctly dentate, with or without lateral emargination; metasoma with yellow macula on Gt 1 ... 7 7. Prepectus black...................................................................................... 8 – Prepectus with yellow patch [spot between IOC and median ocellus absent; punctation on mesopleuron similar to that of the head, mesosoma and metasoma].............................................. geethae Binoy & Girish Kumar 8. Metasoma with Gt 1 and Gt 3 immaculate................................................................... 9 – Gt 1 and Gt 3 with distinct yellow macula [punctation on mesopleuron, mesosoma and metasoma different from that of head].................................................................................... helenae Saini & Dey 9. Clypeus deeply emarginate medio-apically, emargination deeper than wide, no lateral denticle........... agilis (F. Smith) – Clypeus with shallower emargination medio-apically, emargination wider than deep, often with separate obtuse, lateral denticle........................................................................... orientalis (Cameron) Males (Male unknown for D. buddha (Cameron), D. leclercqi Binoy, Girish Kumar & Santhosh and D. helenae Saini & Dey) 1. Legs brownish black with yellow markings; clypeus truncate, straight, or pointed apically........................... 2 – Legs ferruginous with yellow markings; clypeus with deep medio-apical emargination................ pulveris (Nurse) 2. First metasomal segment not longer than following three segments combined..................................... 3 – First metasomal segment distinctly longer than following three segments combined................ oppidanus Leclercq 3. Flagellomeres 2–4 prominently arched; mandible, terga, and legs without yellow maculation; scape brownish black with faint yellow marking; frons distinctly reticulate punctate, not depressed beyond IOC..................... opifex (Bingham) – Flagellomeres 2–4 cylindrical; other characters in different combination......................................... 4 4. Gt 1 distinctly punctate................................................................................ 5 – Gt 1 impunctate (at most setigerous micropunctures present)................................................... 6 5. POD distinctly shorter than OOD; Gt 2 impunctate............................................. pentheri Leclercq – POD subequal to OOD; Gt 2 finely punctate...................................... geethae Binoy & Girish Kumar 6. Clypeus with distinct median carina...................................................................... 7 – Clypeus without carina............................................................................... 10 7. IOC usual, not differentiated into lamellar expansion; no dorsal excavation beyond IOC............................. 8 – IOC differentiated into brownish, translucent lamellar expansion; deep excavation present beyond IOC.. idrieus (Cameron) 8. Pronotal collar and pronotal lobe with yellow markings; metasoma maculate at least on Gt 5 .......................... 9 – Mesosoma black except on ventral part of pronotal lobe; metasoma immaculate.. niger Binoy, Santhosh & Girish Kumar 9. Scutellum and axilla yellow; distinct yellow markings present on Gt 1, Gt 2 and Gt 4; maculae on Gt 5 meeting medially; Gt 6 with transverse yellow band basally; clypeus medially produced into sharp acute tooth, median carina conspicuous.............................................................................................. orientalis (Cameron) – Scutellum and axilla black; metasoma with Gt 1 –Gt 4 immaculate; Gt 5 with faint macula laterally; Gt 6 immaculate; clypeus apico-medially produced forward; truncate, slightly bevelled, median carina rudimentary.................... yesudasi sp. nov. 10. Clypeus apico-medially truncate; Gt 1 bimaculate............................................... agilis (F. Smith) – Clypeus apico-medially emarginate (in form of inverted V); Gt 1 immaculate..................................... 11 11. Area beyond IOC declivous, distinct furrow beyond declivity onto frons, almost reaching anterior ocellus; all terga except Gt 5, immaculate...................................................... tsunekii Binoy, Girish Kumar & Santhosh – No declivity or furrow beyond IOC; Gt 2, Gt 4 and Gt 5 maculate......... attenboroughi Binoy, Santhosh & Girish Kumar