948 LIST' OF DIPTERA. 



Anthomyia Alaba, n. s., mas. Nigra, thorace fusco, pectore cano, 

 abdominis segmentorum lateribus flavo-cano maculatis, pedibus 

 nigris, tibiis piceis, alisfuscis. 



Body clothed with black hairs and long black bristles : head 

 wanting : chest brown : breast hoary : abdomen black, narrower 

 and much longer than the chest, adorned with a large triangular 

 spot of yellowish hoary lustre on each side of every segment : legs 

 black, clothed with black hairs and bristles; shanks pitchy ; foot- 

 cushions pale tawny : wings brown : wing-ribs pitchy ; veins 

 black, pitchy towards the base ; lower cross-vein straight ; scales 

 small; poisers pale tawny. Length of the body If line; of the 

 wings 4 lines. 

 a. North America. Presented by the Entomological Club. 



Anthomyia Idyla, Barnstorms MSS., fern. Nigra, thorace sub- 



fusco, abdomine subcinereo, palpis antennis pedibusque nigris, 



alis subcinereis. 



Body black, clothed with black hairs and bristles ; sides of the 

 face without bristles; epistoma not prominent: eyes red ; fore part 

 nearly flat, its facets a little larger than those elsewhere : sucker 

 black, clothed with tawny hairs ; palpi black, beset with black bris- 

 tles : feelers black, nearly as long as the face ; third joint linear, al- 

 most truncated at the tip, about thrice the length of the second 

 joint ; bristle much more than twice the length of the third joint, 

 rather stout towards the base: chest tinged with brown : abdomen 

 elliptical, very slightly tinged with gray, a little longer than the 

 chest : breast smooth, very shining : legs black, rather stout, clothed 

 with black hairs and bristles ; foot-cushions tawny : wings slightly 

 gray ; wing-ribs tawny ; veins black, tawny at the base ; lower cross- 

 vein with two slight curves, the lower outward, the upper inward ; 

 scales small, gray with dark tawny borders, the lower not extending 

 beyond the upper ; poisers pitchy. Length of the body 2 lines ; of 

 the wings 4^ lines. 

 a. St. Martin's Falls, Albany Kiver, Hudson's Bay. Presented by 



G. Barnston, Esq. 



Anthomyia Uxama, n. s., fem. Nigro-cinerea, palpis antennis 

 pedibusque nigris, alis subcinereis . 



Body black, tinged with gray, clothed with black hairs and 

 bristles : sides of the face without bristles ; epistoma hardly promi- 

 nent, its edge ferruginous : eyes brassy ; fore part red, rather flat, 

 its facets larger than those elsewhere : sucker black, clothed with 



