iji the Collection of W. W. Saunders, Esq. 221 



Genus Tetanocera, Dumeril. 



Tetanocera lateralis. 



Mas. — Picea, capite fulvo giittis duabus nigris, antennis nigris 

 longis, arista plumosa, thorace abdomineque vittis duabus 

 lateralibus auratis, pedibus fiilvis, alis cinereis, apud costam 

 nigro-cinereis, halteribus testaceis. 



Male. — Piceous ; head tawny, with a black dot on each side of 

 the vertex ; peristoma produced ; proboscis and antennae black, 

 the latter long, linear ; third joint shorter than the second ; arista 

 plumose ; thorax and abdomen with a gilded stripe along each 

 side ; pectus with two lateral gilded streaks ; legs tawny ; wings 

 grey, blackish grey along the costa ; veins black; discal transverse 

 vein straight, upright, parted by less than its length from the 

 border, and by more than twice its length from the praebrachial 

 transverse vein ; halteres testaceous. 



Length of the body 3| lines ; of the wings 6 lines. 



Valley of the Amazon. 



Genus Dorycera, HofFm. 



Dorycera ? conspersa. 



Fcem. — Cinerea, capite fulvo conico, pectoris margine abdo- 

 minisque apice fulvis, pedibus fulvis, alis albidis, guttis 

 plurimis cinereis maculaque costali nigricante, halteribus tes- 

 taceis. 



Female. — Cinereous ; head tawny, produced and narrower in 

 front of the eyes ; front small ; antennae short ; pectus tawny, 

 with a cinereous disk ; abdomen tawny at the tip ; legs tawny ; 

 wings whitish, with various grey dots, and with a blackish spot 

 on the costa just before the middle ; veins black, tawny to- 

 wards the base ; discal transverse vein straight, upright, parted 

 by much less than its length from the border, and by a little less 

 than its length from the pr^brachial transverse vein ; halteres 

 testaceous. 



Length of the body 3 lines ; of the wings 6 lines. 



Colombia. 



