LIST OF DIPTERA. 679 



Myopa vicaria, n. s. Ferruginea, capite fulvo, thoracis disco piceo, 

 abdomine maculis cano-pubescentibus ornato, antennis pedibusque 

 ferrugineis, tarsis fulvis, alis fulvo cinereoque variis, venis trans- 

 versis fusco nebulosis. 



Body ferruginous, clothed with black hairs : head tawny, 

 clothed with black hairs, very large, pale yellow, and covered with 

 whitish hairs about the mouth : eyes pitchy : mouth black : feelers 

 ferruginous ; first and second joints clothed with short black hairs ; 

 bristle pitchy towards the tip : disk of the chest pitchy : abdomen 

 longer than the chest, adorned with patches of hoary down : legs 

 ferruginous, slightly covered with white bloom, clothed with black 

 hairs ; feet tawny ; claws black, tawny at the base ; foot-cushioos 

 yellow : wings tawny along the borders of the veins ; disks of the 

 areolets slightly gray; wing-ribs and poisers pale tawny; veins taw- 

 ny ; cross-veins clouded with brown. Length of the body 3 lines ; 

 of the wings 5j lines. 

 a. Nova Scotia. From Lieut. Bedman's collection. 



Mvopa apicalis, n. s. Ferruginea, capite flavo, abdomine piceo, albo 

 pubescente, lateribus ventreque ferrugineis, antennis ferrugineis, 

 pedibus fulvis, femoribus tibiisque piceo fasciatis, alis sub- 

 fulvis. 



Head yellow, pitchy and partly ferruginous above : eyes pitchy : 

 mouth dark ferruginous : feelers ferruginous ; second joint and 

 bristle paler : chest aud breast dark ferruginous : abdomen pitchy, 

 dark ferruginous on each side and beneath, covered with hoary 

 down on each side, especially towards the tip, where the down forms 

 a short and slight streak on the back : legs tawny ; hips ferrugi- 

 nous ; a broad pitchy band across each thigh and shank ; tips of 

 claws black: wings slightly tawny, especially along the borders of 

 the veins ; wing-ribs and veins tawny ; poisers yellow. Length of 

 the body 4 lines ; of the wings 8 lines. 



a. North America. Presented by the Entomological Club. 



Myopa bistria, n. s., mas. Fulvo-cinerea, capite fiavo-albo, abdo- 

 mine fulvo, basiferrugineo, segmento 3° vittis duabus fuscis, apice 

 nigro, antennis ferrugineis, pedibus fulvis, femoribus nigris, ti- 

 biis plerumque piceis, alis cinereis. 



Head yellowish white, pitchy about the eyelets, bright tawny 

 from thence to the feelers : eyes pitchy : mouth black : feelers fer- 

 ruginous : chest tawny-gray, beset with black bristles ; breast some- 

 what paler: abdomen pale tawny, thinly clothed with short tawny 

 hairs, longer than the chest ; first segment ferruginous ; two brown 



3o2 



