Alipumilio Shannon 1927

Identification key to all species of Alipumilio This key is based on Vockeroth (1964) and Thompson (2006). 1. Halter brown (Fig. 10A). Scutum with alternating vittae of pale (white) and dark (black) hairs (Figs 10B, 10C) (Argentina, Bolivia, Brazil)......................................... Alipumilio athesphatus Thompson in Morales et al., 2009 - Halter yellow (Figs 6A, 7A, 11A). Scutum not vittate (Figs 4C, 6C, 12C)......................................... 2 2. Plumula yellow, with yellow fringe (Figs 4A, 6A) (Peru).......................... Alipumilio avispas Vockeroth, 1964 - Plumula dark, brown to black, with dark fringe (Figs 2A, 7A, 11A).............................................. 3 3. Katepisternum smooth, bare (Peru).......................................... Alipumilio pullatus Vockeroth, 1964 - Katepisternum punctate, with hairs at least dorsoposteriorly (Figs 2A, 7A, 11A).................................... 4 4. Wing hyaline in the basal part and strongly infuscate in the apical half, clearly contrasting (Fig. 2E). Scutum and scutellum with thick (setose) golden yellow hairs (Figs 2A, 2C) (Amazon region of Colombia)............... Alipumilio aureus sp. nov. - Wing entirely hyaline or slightly infuscate, not contrasting (Figs 7A, 9C, 11A). Scutum and scutellum mostly with white, yellow and/or black fine hairs (Figs 7E, 9C, 11C)............................................................ 5 5. Male: abdominal tergite 3 with thick silver hairs; tergites 2 and 4 with silver hairs but less dense. Female: abdominal tergites with white and black fine hairs (Figs 11A, 11C) (Mexico)................... Alipumilio nigrocoeruleus Vockeroth, 1964 - Male and female: abdominal tergite 2 laterally, tergite 3 laterally and medially and tergite 4 entirely with thick (setose) golden yellow hairs (Figs 7B, 7C, 9A, 9C) (Amazonian Basin of Ecuador and Brazil)........ Alipumilio femoratus Shannon, 1927