118 CATALOGUE OF 



31. ISCHNOI'TERA MELASA. 



Mas. Nigra, futifonnis ; caput prnlhoracem vix superans, margine anlieo 

 fulvo; oculi invicem sat lale dinjuncti ; antennce picece ; prothorax 

 bifoveolalus, lateribus rolundalis rpjlexis, margine postico sub- 

 rolundato ; tarsi apice fulvi ; alee anticce coriacecB, apices versus 

 nigricantes, abdomen longs superantes, costa subdejlexa ; ala posticce 

 nigricantes. 



Male. Black, fusiform, smooth, shining. Head hardly extending 

 beyond the proiliorax; fore border and sockets of the anlennaB tawny. 

 Eyes dark reddish, moderately wide apart. Anlennae piceous, setose. 

 Pruthorax much narrower in front, with an oblique short broad shallow 

 furrow on each side; fore border slightly truncated; sides rounded, 

 reflexed ; hind border slightly rounded. Cerci long, lanceolate. Legs 

 moderately stout; femora with a few short spines; tarsi tawny towards the 

 tips. Wings extending much beyond ihe abdomen. Fore wings coriaceous, 

 blackish towards tlie tips; costa slightly deflexed, anal furrow distinct. 

 Hind wings blackish. Length of the body 8 lines; of the wings 

 20 lines. 



a. Santarem. From Mr. Bates' collection. 



Sect. 6. 



This group lias two furrows on the prothorax, one of the principal 

 distinctive characters of Ischnoptera, but it has somewhat of the aspect of a 

 H.Uita. 



32. ISCHXOPTERA NIGEICOLLIS. 



Mas. Nigi-a, fusiformis, glabra ; caput prolhoracem paullo superans, 

 margine antico paliide teslaceo; antennce graciles, pubescentes, corpora 

 longiores ; prothorax bifoveolalus, margine postico perpariim ro- 

 tundafo ; abdominis dorsum fulvum; cerci longi ; pedes testacei, sat 

 graciles; alee anlicee fulvce, abdomen longissime superantes; alee 

 posticce cinereee. 



Male. Black, fusiform, smooth, shining. Head extending a little 

 beyond the prothorax; lore border and sockets of the antennae pale testa- 

 ceous. Eyes wide apart. Palpi piceous. Antenuaj slender, minutely 

 pubescent, longer than the body. Prothorax much narrower in front; disk 

 with two oblique shallow furrows which converge hindward ; sides and hind 

 border very slightly rounded, the former slightly reflexed. Mesothorax, 

 metaihorax and upper side of the abdomen tawny. Cerci long. Legs 

 testaceous, rather slender. Wings extending much beyond the abdomen. 

 Fore wings tawny ; hind part of right wing cinereous. Hind wings 

 cinereous. Length of the body 5^ lines; of the wings 15 lines. 



a. Georgia. From Mr. Vigors' collection. 



