Figure 10 from: Monckton SK (2016) A revision of Chilicola (Heteroediscelis), a subgenus of xeromelissine bees (Hymenoptera, Colletidae) endemic to Chile: taxonomy, phylogeny, and biogeography, with descriptions of eight new species. ZooKeys 591: 1-144. https://doi.org/10.3897/zookeys.591.7731

Figure 10 - Male: A Chilicola curvapeligrosa, frontal view, F1 shorter than wide, clypeus extending for more than half its length below LOT (white portion of bracket) B Chilicola curvapeligrosa, malar space subequal to clypeal lateral C Chilicola mayu, frontal view, F1 ~1.1× as long as wide, clypeus extending for less than half its length below LOT (white portion of bracket) D Chilicola mayu, malar space ~0.8× as long as clypeal lateral; scale bars 0.25 mm.