Fig. 4 in A revision of the South American species of the cleptoparasitic bee genus Triepeolus Robertson, 1901 (Hymenoptera: Apidae)

Fig. 4. Head and mesosoma of female, oblique view. A. Triepeolus atoconganus Moure, 1955 (NHMUK NHMUK013620580). B. T. cecilyae Packer, 2016 (PCYU). C. T. buchwaldi (Friese, 1908) (AMNH M.G.R. Database No. 3707). D. T. rufotegularis (Ashmead, 1900) (USNM M.G.R. Database No. 1332). Blue arrows indicate dense, long (≥ ½ MOD), erect/suberect, minutely branched setae.