Aporus umbratilis Evans, 1966:47, ♀. Holotype ♀, Colombia: Vista Nieve, San Lorenzo Mts., 16 Dec. 1922 (MCZ, no. 30,958, leg. JB); Evans, 1973Evans, H.E. 1973. Studies on Neotropical Pompilidae (Hymenoptera) VIII. The genus Aporus Spinola in South America. Studia Entomologica 16 (fasc. 1-4):353-370.:364, Plesiallotpye ♂ (Museum of Comparative Zoology). - Evans, 1973Evans, H.E. 1973. Studies on Neotropical Pompilidae (Hymenoptera) VIII. The genus Aporus Spinola in South America. Studia Entomologica 16 (fasc. 1-4):353-370. (distribution); Rasmussen & Asenjo, 2009Rasmussen, C. & A. Asenjo 2009. A checklist to the wasps of Peru (Hymenoptera, Aculeata). ZooKeys 15:1-78. (distribution); Santos et al., 2015Santos, E.F. dos, Y.C Grandinete & F.B. Noll 2015. Additions to the checklist of Scoliidae, Sphecidae, Pompilidae and Vespidae of Peru, with notes on the endemic status of some species (Hymenoptera, Aculeata). ZooKeys 519:33-48. (distribution); Fernández et al., 2017Fernández, F., V. Castro, J. Rodríguez, C. Waichert & J.P. Pitts 2017. Avispas cazadoras de arañas de Colombia (Hymenoptera: Pompilidae). Proceditor Ltda., Bogotá, D. C., Colombia. (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).