Austrochares brevitarsus Banks, 1947:425, Holotype ♀, Rio Yguagu, Paraguay, March (M. C. Z., no. 26666, leg. Donald Wees); Evans, 1969Evans, H.E. 1969. Studies on Neotropical Pompilidae (Hymenoptera) VI. Dicranoplius Haupt. Studia Entomologica 12 (fasc. 1-4):383-400.:392, Plesiallotype ♂ (Mus. Comp. Zool.); Evans, 1969Evans, H.E. 1969. Studies on Neotropical Pompilidae (Hymenoptera) VI. Dicranoplius Haupt. Studia Entomologica 12 (fasc. 1-4):383-400.:392, Type ♀ (Mus. Comp. Zool., no. 26666); Pitts et al., 2017Pitts, J.P., C. Waichert & E. Sadler 2017. Review of the Neotropical spider wasp subgenus Anoplius (Dicranoplius) Haupt (Hymenoptera: Pompilidae), new comb. Zootaxa 4311 (4):537-550.:540, Type ♀ (MCZC, no. 26666). - As Anoplius brevitarsus: - Pitts et al., 2017Pitts, J.P., C. Waichert & E. Sadler 2017. Review of the Neotropical spider wasp subgenus Anoplius (Dicranoplius) Haupt (Hymenoptera: Pompilidae), new comb. Zootaxa 4311 (4):537-550. (distribution); Fernández et al., 2022Fernández, F., J. Rodriguez, C. Waichert, B. Decker & J. Pitts 2022. Twenty two years later: An updated checklist of Neotropical spider wasps (Hymenoptera: Pompilidae). Zootaxa 5116 (4):451-503. (distribution). - As Dicranoplius brevitarsus: - Evans, 1969Evans, H.E. 1969. Studies on Neotropical Pompilidae (Hymenoptera) VI. Dicranoplius Haupt. Studia Entomologica 12 (fasc. 1-4):383-400. (distribution), 392 (comb. nov.).