246 THOMAS SAY FOUNDATION 



Taeniopteryx pacifica Banks. 



(Plate 33, fig. 5; plate 45, figs. 11, 12; plate 46, fig. 3.) 

 1900. Taeniopteryx pacifica Banks, Trail. Am. Ent. Soc, 26:244. 

 1907. Taeniopteryx pacifica Banks, Can. Ent., 39:329. 

 1907. Taeniopteryx pacifica Banks, Cat. Neur. Ins., p. 14. 

 1918. Taeniopteryx pacifica Newcomer, Jour. Agr. B^s., Vol. 13, No. 



1, 37-41. 

 1905. Taenionema analis Banks, Psyche, 12:57. 

 1907. Taenionema analis Banks, Cat. Neur. Ins., p. 14. 



Length to tip of wings, male, 12-13 mm. ; female, 14-15 

 mm. Expanse, male, 22-25 mm. ; female, 25-28 mm. 



General color brown to blackish with yellowish or red- 

 dish brown on head, thorax and tip of abdomen, especially 

 in the male. 



Head a little narrower than prothorax; brown with 

 lighter areas inside the eyes, in front of anterior ocellus, 

 and often yellowish in the depressed area between the 

 hind ocelli; lateral tubercles large; occiput rugulose, the 

 rugosities in the form of wide, broken longitudinal lines ; 

 hind ocelli a little more than twice as close to the eyes 

 as to each other. Antennae brown. 



Prothorax brown, with the margins yellowish and 

 usually with some yellowish marks on the disc of the pro- 

 notum ; wider than long, widened behind ; sides somewhat 

 convex; angles rounded; surface quite rugose. Legs 

 brown. Wings hyaline, with a faint cloud or infuscated 

 area along the cord ; subcosta does not quite reach to the 

 cord ; three or four costal crossveins before the end of 

 subcosta and one beyond. 



Abdomen dark brown to blackish except in the male, 

 where the ninth sternite is yellow. Cerci composed of 

 six short segments. 



Male. Supra-anal process short, erect with the tip di- 

 rected backward and bearing behind a membranous, .bulb- 

 like attachment ; subanal lobes asymmetrical, divided into 

 several membranous processes ; at the base of each cercus 

 a large raised turberculate rounded process directed back- 

 wards; tenth abdominal tergite bears two short, rounded 

 processes directed backwards ; subgenital plate extends 

 considerably beyond the tip of the tenth .segment, and 

 there is no ventral appendage. 



Female. Genital opening of the eighth abdominal ster- 

 nite not guarded by valves or covered by a subgenital 

 plate; ninth abdominal sternite prolonged into a broad 

 rounded plate which does not reach to the tip of the sub- 

 anal lobes. 



