282 Mr. F. Walker's Characters of tindescribed Diptera 



Laphria abscissa. 



Foem. — Nigra, mystace nigro, abdomine apicem versus sub- 

 latiore, pedibus validis, alis nigiicantibus dimidio fere basali 

 sub-b'mpidis. 

 Female. — Black : front prominent ; mystax with black bristles ; 

 proboscis porrect ; abdomen a little broader towards the tip, 

 longer than the thorax ; legs stout ; wings blackish, almost 

 colourless for nearly half the length from the base. 

 Length of the body 4 lines ; of the wings 8 lines. 

 Burmah. 



Genus Atomosia, Macq. 

 Alomosia sericans. 



Mas. — Nigra, fronte cinerascente, tibiis tarsisque anterioribus 

 testaceis, tibiis posticis fulvis apice nigris, tarsis posticis basi 

 fulvis, alis nigricantibus, venis nigris, halteribus albidis. 



Male. — Black: head with somewhat cinereous tomentum in 

 front; anterior tibiae and tarsi testaceous, with paler shining 

 tomentum ; hind tibiae tawny, with black tips, slightly clavate ; 

 hind tarsi slightly -dilated, tawny at the base; wings blackish, 

 darkest along the costa beyond the middle ; veins black ; halteres 

 whitish. 



Length of the body 2| lines; of the wings 4| lines. 



Mexico. 



Sub-Fam. ASILITES. 



Genus Trupanea, Macq. 



Trupanea ajnvora. 



Jtem.-^Cinereo-nigra, capite subtus pilis albidis, fronte rufescente, 



thorace vittis tribus indistinctis cinereis, pectore cinereo, 



abdomine segmentis cinereo-marginatis, apice nigro nitido, 



pedibus fulvis, coxis genubus tarsisque nigris, alis fuscescen- 



tibus, venis nigris basi fulvis. 



Female. — Cinereous black : head with whitish hairs beneath ; 



front prominent, reddish, with pale hairs; thorax with three 



indistinct cinereous bands ; pectus cinereous ; abdomen with a 



cinereous band on the hind border of each segment, with whitish 



hairs towards the base ; tip black and shining ; legs tawny, very 



stout ; coxae, knees and tarsi black ; wings brownish ; veins 



black, tawny at the base. 



Length of the body 9 lines; of the wings 14 lines. 



Burmah. 



" This fly devours the very large black bees." — MSS. 



