LIST OF DIPTERA. 595 



Sericomyia mussitans, Meig. Dipt. iii. 345, 4. Macq. Hist. Nat- 

 Dipt, i. 496, 2, pi. 11, /. 11. Musca mussitans, Gmel. Ed. 

 Syst. Nat. v. 2867, 327. M. fulvus, Harr. Ex. 80, pi. 24,/. 

 22. Syrphus mussitans, Fabr. Sp. Ins. ii. 422, 3. Ent. Syst. 

 iv. 279, 6. Syst. Antl. 225, 6. Panz. Faun. Germ. i. 15. 

 Fall. Syrph. 18, 4. 



a. England. 



b. France. 



c. ? From Mr. Children's collection. 



Sericomyia militaris, Barnstoris MSS., fem. Nigra, scutello piceo 

 margine postico ferrugineo, abdomine maculis sex transversis ful- 

 vis, antennis nigris, pedibus ferrugineis, femoribus nigris, alis ci- 

 nereis ad costam fulvis apice fusco nebulosis. 



Body black, shining, thickly clothed with short pale tawny 

 hairs : head, with the exception of the crown and of a stripe between 

 the feelers and the mouth, covered with pale yellow down : mouth 

 black : feelers black ; bristle feathered : eyes black ; all the facets 

 small : each side of the chest adorned with two tufts of yellow hairs, 

 one before, the other behind the wing ; scutcheon pitchy, clothed 

 with black hairs, ferruginous along the hind border: abdomen 

 nearly oval, rather longer and broader than the chest ; hind borders 

 of the segments fringed with short pale yellow hairs ; second, third, 

 and fourth segments adorned with tawny bands on each side ; first 

 pair of bands short ; second pair long ; third pair rather shorter than 

 the second : legs ferruginous, clothed with short tawny hairs ; hips 

 and thighs black, clothed with black hairs ; feet beset with very 

 short black bristles, black towards the tips ; foot-cushions tawny ; 

 claws black, ferruginous towards the base: wings gray, clouded 

 with brown at the tip of the fore border, which is tawny for more 

 than half the length from the base ; wing-ribs black ; veins ferrugi- 

 nous ; poisers pitchy. Length of the body 6 — 6% lines ; of the wings 

 12—13 lines. 



Var. /3. First pair of abdominal bands reduced to two dots. 

 Var. y. Like var. /3: second pair of abdominal bands much 

 shorter than the third. 



Var. 6\ First pair of abdominal bands wanting. 



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



G. Barnston, Esq. 



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



3g2 



