Megaphorus guildianus (Williston, 1885)

Original Description: Mallophora guildiana Williston, 1885 .

Published State Records: Cole & Pritchard (1964) (Wyoming); Dennis & Lavigne (1976b) (pupal case; as Mallophorina guildiana), (2007) (as Megaphorus guildiana); Geller-Grimm (2016) (Wyoming); Lavigne et al. (1994).

Published County Records : CR; FR [ Lavigne et al. (1976) (as Mallophorina guildiana; as prey of Pogonioefferia benedicti as Efferia benedicti); includes 17 specimens identified by JKB as Mallophorina guildiana], NI; PL [ Dennis & Lavigne (1975) (ethology; as Mallophorina guildian a; as prey of Proctacanthus milbertii as Proctacanthus micans), (1976c) (as prey of Efferia varipes); Dennis et al. (2008) (pupal case; as Megaphorus guildiana); Lavigne & Holland (1969) (as Mallophorina guildiana; as prey of Diogmites angustipennis and Pogonioefferia pallidula as Efferia pallidula); includes seven specimens identified by CRN as Mallophorina guildiana)]; SH (two specimens identified by JKB as Megaphorus guildiana).

Museum Records: FR; HS; LA; NI; PL (pupal case deposited in United States National Museum of Natural History); SH; TE.

Megaphorus willistoni (Cole, 1964)

Original Description: Mallophorina willistoni Cole, 1964 . Published State Records: None known. Published County Records: None known. Museum Records: FR.