34 NEUROPTERA OF NORTH AMERICA. 



TAENIOPTERYX Pictet. 

 Wings a little involuted, veined, transverse veins very scarce, 

 rather regular; anal area of the posterior wings large, plicated; 

 palpi filiform, the last article ovate ; no abdominal setse ; tarsi with 

 three long, equal articles. 



1. T. fasciata ! 



Semblisfasciafa Burm.! II, 875, 6. Pict.! Perl. 359, 5, tab. xlvi, fig. 4, 5. 

 Walker, Catal. 179, 5. 



Black, with gray pile ; head hardly broader than the thorax, in 

 front and at the eyes rufous, tubercles flat, polished, anteriorly with 

 two parallel grooves; antennae fuscous, the basal articulation black; 

 prothorax broader behind, rugulose, sides oblique, posterior margin 

 rounded, anterior angles subacute, tubercles a little shining, near 

 the anterior margin a transverse, biarcuated sulcus, two closely 

 approximated, linear, parallel discoidal tubercles, at the posterior 

 margin a transverse sulcus; feet yellowish-brown, femora exteriorly, 

 tibiae at base and the tarsi blackish-brown ; abdomen black, shin- 

 ing, 9 appendix broad, yellow, triangular, beneath excavated, the 

 apex narrow, rounded, incurved; J* appendix yellow, lanceolate; 

 wings subhyaline, a gray transverse band upon the middle and 

 another at the apex; veins fuscous. 



Length to tip of wings 11 — 13 millim. Alar expanse 23 — 25 

 millim. 



Bab. Philadelphia, Pa. ; "Washington, April (Osten Sacken). 



2. T. similis ! 



Tseniopteryx similis Hagen! 



Black, shining; head broader than the prothorax, shining, hardly 

 rufous anteriorly, antennae black ; prothorax short, broad, sides 

 oblique, posterior margin rounded, anterior angles rounded, poste- 

 rior ones acute, anterior margin subreflexed, very rugulose ; feet 

 brown, femora exteriorly and the tarsi blackish-brown ; abdomen 

 black, shining; the last ventral segment truncated; wings subhy- 

 aline, with three broad gray bands, the extreme one is apical, veins 

 fuscous. (Female.) 



Length to tip of wings 8 millim. Alar expanse 14 millim, 



Bab. Washington, May (Osten Sacken). 



