Antennae 5-jointed, the basal 2 joints short, broad, and subequal in 



length, the following 3 joints of nearly equal diameter and strongly 



annulated, the 3rd much the longest, subequal or longer than the 4th 



and 5th taken together; head, including the eyes, narrower than the 



thorax and broader than ong, its frontal margin being slightly convex; 



the 2 discal ocelli placed in the front of the eyes, and the third oua 



at the middle of the anterior edge; wings moderately long, the fir^t 



2 obliques originate from a point or branched, media branched, at the 



basal third obsolete, stigmatic nervure strongly curved near the base, 



opening in the middle of the stigma, stigma lanceolate, narrowly pointed 



at the apex; hind-wings with 2 obliques; cornicles represented by pores 



only, and situated a back, apparently on the 6th abdominal segment; 



cauda short, broad, semicircular; last ventral segment notched at the 



middle of the posterior edge; legs slender, moderately long. 



Genotype -Astegopteryx styracophila Karsch. 



We have in Japan the following 2 species. 



1. The 3rd joint of the antennae longer than the 4th and 5th 



combined, stigma nearly \ the length of the stigmatic nervure •• 



— nekoaslii Sasak. 



-. The 3rd joint of the antennae subequal to the 4th and 5th 

 combined stigma nearly as long as the stigmatic nervrue-- — 

 styraci Mats. 



1. Astegopteryx nehoashi Sasaki. (PI. X, f. 5, a, b, pi. IV, f. II) 



Astegopteryx nekoashi Sasaki, Ier Cong. Intern. D' Entom. 



Bruss. p. 449 ( 1911 ). 



Winged viviparous female - Body oblong, dark brown, abdomen 

 purplish red antennae somewhat longer than the head and thorax com- 



