28 WARO NAKAHARA. 



Forewing moderately broad, slightly tinged with dark grey ; an 

 irregular blackish fascia along cubital vein ; inner marginal and apical areas 

 irregularly clouded with greyish ; gradate series of crossveins broadly 

 margined with greyish ; a blackish spot at base of each radial sector ; 

 pterostigmatic region dark yellow. Neuration mostly black, many times 

 interrupted by pale spaces ; three radial sectors, of which the 3rd is provid- 

 ed with three, rarely two, branches before outer gradate series. 



Hindwing very slightly tinged with greyish ; pterostigmatic region 

 brownish yellow ; radial sector with two branches before outer gradate 

 series. 



Abdomen fuscous black on both dorsal and ventral sides ; pleuram 

 yellowish. In the male, upper division of genital appendage brownish 

 yellow with its apex provided with a short testaceous spine ; lower division 

 very slender and almost blackish, with a long needle-like colorless process 

 at apex. 



Measurements : 



Length of body 7 — 7.5 mm. 



Length of forcwing 8 — 8.5 mm. 



Width of forewing 3.5 mm. 



Length of hindwing 7 — 7.5 mm. 



Habitat ; Of this species there are in my collection many specimens 

 from the following localities : 



Sapporo, Hokkaido, Mr. H. Okamoto coll. 



Mt. Eizan, near Kyoto, May, '14, Mr. A. Nohira coll. 



Gifu, Mr. S. Yamamura coll. 



Chüjenji, Nikko, July, '14, the author coll. 

 There exists a single female specimen, captured at Natsusawa-töge, 

 Prov. Shinano by Mr. Chino, in the collection of the Agricultural College, 

 Tokyo Imperial University. It was kindly shown me by Dr. T. Miyake. 



Hemerobius sfriatua n. sp. 



Head yellow witli a black spot between antennas ; clypeus somewhat 



