ON THE HEMEROBIINAE OF JAPAN. 



41 



Flunticromns alpinus n. sp. 



Head yellowish ; clypeus somewhat piceous. Antennaae also yellowish, 

 the ist joint enlarged, 2nd and 3rd joints nearly same in size and some- 

 what larger than remaining joints. 



Prothorax yellowish (somewhat fuscous in dried pecimen), with two 

 blackish spots above. Meso- and metathorax yellowish, more or less 

 suffused with fuscous. 



Legs pale yellow, femora and tarsi somewhat fuscous. 



Forewing rather broad with very slight greyish tinge ; basal portion of 

 posterior margin narrowly variegated with fuscous ; three fuscous longi- 

 tudinal streaks in outer marginal area, of which median one extends to 

 discal area ; an oblique fuscous line on each gradate series. Subcosta 

 entirely pale, other veins mostly pale and many times interrupted by 

 blackish or fuscous spaces ; gradate series blackish, complete, and regular 

 in arrangement ; five radial sectors, the 5th sector with two branches before 

 outer gradate series. 



Hindwing somewhat narrow, not much shorter than the forewing; 

 marginal area slightly tinged with greyish. Neuration mostly pale yellow; 

 apex of subcosta and of radius fuscous; anal veins also fuscous; outer 

 gradate series black and margined with darkish. 



Abdomen fuscous (nearly blackish in dried specimen), yellowish at 

 apex. 



Measurements : 



Length of body 8 mm. 



Length of forewing 10 mm. 



Width of forewing 4 mm. 



Length of hindwing 9 mm. 



Two specimens are in my collection : one male, dried and somewhat 

 mutilated, captured by Mr. A. Nohira on Mt. Yatsugatake, Prov. Shinano, 

 on August 5th, '14, and the other (£ in alcohol) captured by the same 

 gentleman on Mt. Tateyama, Prov. Ecchö, on July 30th, '14. Mt. Yatsu- 



