A checklist of the Robber Flies (Insecta: Diptera: Asilidae) of Wyoming, USA Author Lavigne, Robert J. Author Dennis, D. Steve text Zootaxa 2017 4238 3 335 365 journal article 36343 10.11646/zootaxa.4238.3.2 5b06bcda-0346-479e-bece-b87c1ea5d212 1175-5326 345779 2E740DF7-DC0A-4377-9B2E-9E41D7F033D3 Pogonioefferia varipes (Williston, 1885) Original Description: Erax varipes Williston, 1885 . Published State Records: Dennis et al . (2010) (as Efferia varipes ); Geller-Grimm (2016) (Wyoming); Lavigne (1977) (as Efferia varipes ). Published County Records: PL [ Dennis & Lavigne (1976c) (ethology; as Efferia varipes ); includes one specimen identified by CRN as Efferia varipes ]. Museum Records: PL. Machimus adustus ( Martin, 1975 ) Original Description: Asilus avidus of authors, nec Van der Wulp, 1869. Published State Records: Fisher & Wilcox (1997) ( Wyoming ) ; Geller-Grimm (2016) ( Wyoming ) ; Martin (1975) . Published County Records: AL; SU. Museum Records: AL; FR; SU; TE.