596 LIST OF DIPTERA. 



Sericomyia filia, n. s., fern. Nigra, ahdomine nigro-aneo fasciis 

 tribus interruptis fulvis, antennis nigris, pedibus fulvis, femoribus 

 basi tarsisque apicepiceis, alis limpidis ad costam subfuscis. 



Body black, thickly clothed with short yellow hairs : head yel- 

 low, black on the crown, and having a black stripe between the feel- 

 ers and the mouth, which is black ; sides of the peristoma pitchy ; 

 feelers black : eyes pitchy, slightly bronzed ; facets on the fore part 

 of the crown larger than those elswhere: abdomen nearly oval, 

 slightly bronzed, rather longer and broader than the chest, adorned 

 with three tawny bands, which are interrupted on the back : legs 

 tawny, clothed with short yellow hairs ; hips, middle thighs at 

 the base, and fore thighs from the base to the middle pitchy ; feet 

 pitchy towards the tips ; claws and foot-cushions tawny ; tips of 

 claws black : wings colourless, slightly brown along the fore borders 

 from the base to beyond the middle ; wing-ribs and poisers pitchy : 

 veins tawny. Length of the body 4i — 5 lines ; of the wings 10 — 1 1 

 lines. 



Var. 0. The brown on the fore border of the wing extends to 

 the tip, which is dark gray. . 



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



G. Barnston, Esq. 



b. Nova Scotia. From Lieut. Redman's collection. 



Sericomyia 6-fasciata, Barnston' s MSS., mas. Nigra, thorace ni- 

 gro-ceneo, abdomine fasciis tribus interruptis flavis, antennis f er- 

 rugineis, pedibus nigris, genubus tibiis basi tarsisque ferrugineis, 

 alis subfulvis. 



Body black, thinly clothed with short tawny hairs: head 

 covered with pale yellowish down, beset on the crown with a few 

 black hairs ; a black stripe extends from the crown to the mouth, 

 which is also black: feelers ferruginous; first and second joints 

 black ; bristle feathered, black towards the tip : eyes black ; facets 

 on the fore part of the crown rather larger than those elsewhere : 

 chest slightly bronzed, with a small hoary band on each side of the 

 front : abdomen deep black, not shining, nearly oval, thinly clothed 

 with short tawny hairs ; knees, feet, and tips of shanks ferruginous ; 

 tips of feet pitchy ; foot-cushions tawny ; claws ferruginous with 

 black tips : wings slightly tawny, darker at the base and along the 

 fore borders ; wing-ribs and veins black, the latter ferruginous to- 

 wards the base ; poisers pale tawny. Length of the body 6 lines ; 

 of the wings 1 1 lines. 



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

 G. Barnston, Esq. 





