Dasyproctus yesudasi sp. nov. (Hymenoptera, Crabronidae, Crabroninae), a new square-headed moustache wasp from south India Author Binoy, C. Independent researcher, Sreeragam, Chereekandy, Elathur, Kozhikode Kerala- 673303, India. Author Kumar, P. Girish Western Ghat Regional Centre, Zoological Survey of India, Eranhipalam, Kozhikode, Kerala- 673006, India. text Zootaxa 2024 2024-09-18 5512 1 136 150 http://dx.doi.org/10.11646/zootaxa.5512.1.12 journal article 10.11646/zootaxa.5512.1.12 1175-5326 13848302 A56D342C-5459-4C1F-82DC-358D9791907F Dasyproctus pulveris (Nurse, 1902) ( Figs 35–40 ) Image of type examined : Holotype / syntype ♀ , India : Gujarat : Deesa, col. C.G. Nurse collection 1920–72, as Crabro pulveris Nurse , ii.(18)99, B.M. TYPE HYM. 21.1,012 ( NHMUK 015934083 ). Diagnosis. Body length 8.24 mm ; fore wing length 5.04 mm . FIGURES 35–40. Dasyproctus pulveris (Nurse, 1902) . Holotype/ syntypes ♀. 35, habitus, lateral view; 36, head, frontal view; 37, clypeus, enlarged view; 38, habitus, dorsal view; 39, Gt 1 and Gt 2 , dorsal view; 40, type labels. Black except the following: scape yellow; mandible yellow with base black and apex reddish brown; pronotal collar yellow except at medial notch; pronotal lobe yellow; axilla and two non- continuous spots on scutellum yellow; yellow spots on lateral flange of metapleuron and on metanotum (Fig. 101); tegula brown, yellow anteriorly; legs mostly reddish brown with distinct yellow marking ventrally (marking distinct on fore legs); mid and hind femora with less yellow marking; Gt1, Gt2 and Gt5 with yellow maculae, Gt3 and Gt4 immaculate. Clypeus deeply indented; anterior carina of pronotal collar laterally curving towards pronotal lobe; IOC indistinct; POD greater than OOD; obsolete punctation on head and mesosoma in female, fainter punctation visible in male; post-scutellum with yellow spots; legs reddish brown with varying yellow steaks; Gt3 and Gt4 immaculate.