Machimus callidus (Williston, 1893)

Original Description: Asilus callidus Williston, 1893 .

Published State Records: Dennis & Lavigne (2007); Evans (1970); Geller-Grimm (2016) (Wyoming); Martin (1975) (Wyoming; new combination); Wilcox (1978) (Wyoming). Published County Records: AL; FR [Dennis & Lavigne (1979) (ethology; as Machimus callidus); includes one specimen identified by JKB]; TE.

Museum Records: AL; FR; SU; TE; YNP.