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 oppidanus Leclercq, 1972 ( Figs 41–47 ) Image of type examined : Holotype ♂ , ( India ): Sikkim , coll. Bingham , Zool. Mus. Berlin, J . Leclercq det., e0b81a. Diagnosis based on Holotype . Body length 7.59 mm ; fore wing length 5.01 mm . Body matt black except the following: scape and pedicel apically yellowish brown, remainder of antenna brown; mandible yellow-brown with base and apex dark; frons and vertex finely pitted, pits wide apart; IOC indicated, a deep declivity above IOC present; pronotum with nonconfluent yellow-brown patch; points on mesosoma widely placed, dine; scutellum with two yellow-brown macula, almost meeting each other medially; metasoma immaculate except on Gt 2 with a yellow brown-patch laterally.