24 



WARO NAKAHARA. 



-Costal area of forewing not so broad at base... 6. 



Lower limb of the male genital appendages 



very short, not more than one third the length 



of the upper limb H. humuli L. 



-Lower limb of the male genital appendages not 



much shorter than the upper limb H. japonicus n. sp. 



Henterobius JmmnH Linné. 

 (Textfig. 2). 



Henurobiw humuli L., Syst. Nat., x, p. 550 (1758) ; Burmeister, Handb. Ent., ii, p. 974 



(1883); Walker, Cat. Neuropt. Brit. Mus., ii, p. 286 (1853) ; Hagen, Syn. Neuropt. N. 



Amer., p. 205 (1862); Banks, Trans. Amer. Ent. Soc, xxxii, p. 32 (1905); Navâs, Rev. 



Russ. d'Entom., xii, p. 419 (1912). 

 Hemerobhts castana Fitch, First Rep. Ins. N. Y., p. 94 (1855); Hagen, Lc v p. 202. 

 Hemerobius tutatrix Fitch, 1. c; Hägen, I.e., p. 202; Needham, N. Y. Mus. Bull. 86, pi. ii, 



fig. I (1905». 



Head yellowish, somewhat suffused with whitish, with a red-brown 

 stripe from each eye to mouth ; palpi fuscous, the last joint of each palpus 

 always blackish ; antennae yellowith, somewhat darkish at apex. 



Q ^ Prothorax yellowish or 



occasionally rather whitish, 

 with red-brown leteral stripes. 

 Meso- and metathorax dark 

 brown with a broad median 

 yellowish stripe. 



Fore- and midlegs yello- 

 wish, accasionally slightly 

 suffused with testaceous ; hind- 

 leg pale yellow ; tarsus 

 terminally darkish in each leg. 

 Forewing hyaline ; costal 

 area not so broad at base ; hind marginal and apical areas clouded with 

 greyish in such a manner as to cause pale and dark spots alternately ; 



Textfig. 2. 



Hemerobhts numidi Linné, 'J- 



A. Apex of abdomen, from s'de, X 15. 



B. Apex of genital appendage, from above, 



X30. 



