32 



WARO NAKAHARA. 



Hemerobius attiriti fus Fabricius. 



Hemerobùts nit'dulus Fabr., Ent. Syst., ii, p. 83 (1798); Walker, Cat. Neuropt. Brit. Mus., ii, 

 296 (1852). 



Hemerobius Harmandinus Navâs, Rev. Russ. d'Entom., ix, p. 395-96 (igio). 



Head fuscous brown ; face somewhat darkish ; vertex fuscous ; maxil- 

 lary palpi fuscous black ; antenna? fuscous black, somewhat darker toward 

 apex. 



Prothorax yellowish, suffused with fuscous. Meso- and metathorax 

 brownish yellow, more or less suffused with darkish above. 



Legs yellowish ; entire foreleg and tarsal joints of other legs rather 

 testaceous ; tibia III fusiform. 



Forewing tinged with brownish yellow, with a broad ill-defined longi- 

 tudial hyaline band in discal area ; a fuscous cloud exists along the anterior 

 border of the hyaline band, extending from disk to apex of the wing. 

 Neuration yellow, minutely dotted with fuscous black ; two series of gradate 

 veinlets complete and are commonly margined with greyish ; three radial 

 sectors, of which the 3rd gives off two branches before outer gradate series. 



Hindwing slightly margined with yellowish, and sometimes showing a 

 darkish clouding as in forewing ; neuration pale yellow, not dotted with 

 blackish. 



Abdomen fuscous, much suffused with yellowish. Genital appendage 

 of the male not forked, but very long, slender and somewhat dilated 

 at apex. 



Measurement : 



Length of body 5 mm. 



Length of forewing 7 mm. 



Width of forewing 3 mm. 



Length of hindwing 5 mm. 



Habitat : Tsuchiura, Prov. Hitachi, two female specimens, the late 

 Mr. S. Kimura coll. 



Kyoto, a pair (-£• .?-), Mr. A. Nohira coll. 

 Gifu, a single male, Mr. S. Yamamura coll. 



