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.