Fc. Thompson, REVISION OF THE ERISTALIS FLOWER FLIES (DIPTERA, SYRPHIDAE) OF THE AMERICA SOUTH OF THE UNITED-STATES, Proceedings of the Entomological Society of Washington, 99(2), 1997, pp. 209-237
Three new species are described (Eristalis alleni, E. gatesi, and Palp
ada eristaloides); lectotypes are designated for bogotensis Macquart,
circe Williston, latifrons Loew, rufoscutata Bigot, stipator Osten Sac
ken; new synonyms noted (Eristalis tenuifrons Curran 1930 = Palpada se
micircula Walker 1852; Eristalis aztecus Hull 1935 = circe Williston 1
891; Eristalis colombica Macquart 1855 = tenax Linnaeus 1758); and all
species redescribed (Eristalis bellardi Jaennicke and persa Williston
).