Asking the pikas politely…
This genus was considered in Volume II, pages 136-172 of the Annals of the Entomological Society of America, and Banks added one additional species and gave a key to a section of the genus in Psyche, Volume XXI, page 131.Since publishing on these robberflies I have accumulated much material and from this the following additional species are described at this time. Asilus gilvipes n. sp.Large reddish species, legs all red with black bristles, posterior margin of the scutelhim with four bristles, wings hyaline, oviduct conical, male forceps short.Total length 20 mm.Face and front yellow pollinose, mystax composed mostly of yellow bristles, but with a few black ones above, beard straw yellow, antennas palpi and proboscis black; thorax yellow pollinose, bristles of the dorsum black, wings hyaline, legs in all their parts red with black bristles; abdomen yellow pollinose, middle parts of the segments darker, giving a banded appearance, bristles mostly yellow; ovipositor short and distinctly conical, male forceps about as long as the seventh abdominal segment.Holotype female from Saguache, Colorado, collected July 16, 1911, by A. K. Fisher, in the author's collection.An additional male and female with the same data, and an injured male from New Mexico belonging to the American Museum of Natural History. Asilus comosus n. sp.A rather large robust species with a hairy body, large mystax and brownish wings.Coxae and basal half or more of the femora black, remainder of the legs red.Length of the female 18 mm.Mystax very large, long and black, reaching nearly to the base of the antennas, beard pale yellowish, postorbital bristles numerous and black.Thorax with numerous long black bristles dorsally, scutellum distinctly hairy above and with several long black bristles on the posterior margin.Wings plainly tinged with brown, nearly uniform colored all over, legs black to beyond the middle of the femora, otherwise red, with black bristles and pale hair.Abdomen dark, hind borders of the 319
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