TAXONOMY OF MUSCOIDEAN FLIES — TOWNSKNI) 121 



Lucilia giraulti, sp. nov. 



One male, Paris, Texas. A. A. Girault, Coll. 



Three postacrostichal bristles. Male front one-eighth head width. 

 Abdomen like pilatci, but no dark hind margins to second and third 

 segments. Buccae and whole face and front black, palpi yellowish 

 but infuscate apically. Tegulae nearly white. No strong macro- 

 chretse except marginal row on third segment. Of the three post- 

 acrostichal bristles, the front one is well behind the front postsutural 

 bristle, and the middle one is a little behind the middle postsutural. 

 A second pair of ocellar bristles present. 



Type.— Cat. No. 10,890, U. S. N. M. 



Lucilia barberi, sp. nov. 



Six males, Arizona (H. S. Barber), California (Coquillett), 

 Guanajuato (Mexico), Alabama, West Virginia, and District of 

 Columbia. 



Three postacrostichal bristles. Differs from giraulti practically 

 only in the second pair of ocellar bristles not being developed appre- 

 ciably longer than the ocellar hairs, and the three postacrostichal 

 bristles being even with the three postsutural bristles. Palpi yellow- 

 ish, infuscate at tip. Buccae, face, and front blackish, facialia red- 

 dish, epistoma yellowish. Tegtilae white. Basal abdominal seg- 

 ment black. An even row of ten marginal macrochaetae on third 

 segment above, and three on each side below. No dark margins to 

 second and third segments. Male front one-eighth head width. 



Type.— Cat. No. 10,891, U. S. N. M. (Williams, Arizona). 



Lucilia unicolor, sp. nov. 



Five females, New Mexico, Mexico, and British Columbia. 



This form corresponds to cccsar, differing therefrom in having the 

 second pair of ocellar bristles distinctly developed. Two postacros- 

 tichal bristles. Female front a little less than one-third head width. 

 Palpi yellow. Abdomen unicolorous. Tegulae white. 



Type.— Cat. No. 10,892, U. S. N. M. (Mesilla, N. Mex.— Cock- 

 erell). 



Lucilia cccsar Ljnne. — Numerous specimens of both sexes, Eng- 

 land, eastern United States, and British Columbia. 



Two postacrostichal bristles. Male front linear, female front one- 

 third head width. Abdomen unicolorous. Tegulae white. Palpi 

 yellow. Second pair of ocellar bristles not developed, or only very 

 weakly so. 



