Taxonomic revision of the Afrotropical species of Pachyanthidium Friese (Hymenoptera: Megachilidae: Anthidiini) Author Eardley, Connal Author Griswold, Terry text Zootaxa 2017 4237 3 401 453 journal article 36376 10.11646/zootaxa.4237.3.1 247eb149-de99-4046-ae9e-b44b817fe8b9 1175-5326 344704 297CF715-0DEC-45E9-BAF2-1F19A3C06EF7 Pachyanthidium subgenus Ausanthidium Pasteels Ausanthidium Pasteels, 1969 : 60 . Type species: Anthidiellum ausense Mavromoustakis, 1934 , original designation. Diagnosis. Differs from all other subgenera by the combination of eyes naked, preoccipital carina absent laterally, and arolia present on all legs. In females the mandible is four-toothed. This monotypic subgenus is endemic to the Afrotropics.