CHINESE DREPANINAE 75 



wing, and by the genitalia in which the shape of the aedeagus, diaphragmal processes 

 and valve processes are diagnostic. 



Two subspecies are known : the nominate subspecies (India, Sikkim and Burma) 

 and opalescens (China). 



Nordstroemia bicostata bicostata (Hampson) 



(PI. 3, fig. 323 ; Text-figs. 127-130) 



Albara bicostata (Hampson) ; Warren, 1922 : 470. [PI. 49g as ' bicolorata '.] 

 Albara bicostata (Hampson) ; Gaede, 1931 : 31. 



Separable from opalescens by the shape of the medial part of the gnathus and the 

 anterior processes of the diaphragma in the male genitalia. 

 Distribution. N. India, Sikkim and N. Burma. 



Type. LECTOTYPE <$, here selected, labelled : Sikkim, ix.1909, F. Moller ; 

 Drepanidae genitalia slide No. 756. In the BM(NH). 



Nordstroemia bicostata opalescens (Oberthiir) comb, n., stat. nov. 



(Text-figs. 131, 132) 



Drepana opalescens Oberthiir, 1916 : 375. 

 Drepana opalescens Oberthiir, 1917 : pi. 428. [Good fig] 

 Drepana opalescens Oberthiir, Gaede, 1931 : 27. 

 Albara opalescens (Oberthiir) Gaede, 1933 : 169. [Fig.] 



Distinguished from the nominate subspecies (q.v.) by the male genitalia (Text-figs. 



131. 132). 



Distribution. China (Szcchwan). 



Material examined. Type. LECTOTYPE q*. here selected, labelled : Tien- 

 Tsuen, 1897, ex. R. P. Demean ; Drepana opalescens $ Obthr. ex Oberthiir Coll. 

 Brit. Mus. 1927-3 ; Drepanidae genitalia slide No. 757. In the BM(NH). 



Paralectotype. BM(NH). China : <J, [Szechwan], Tien-Tsuen (Dejean). 



Other material. BM(NH). China, Szechwan : 1 <$, Tien-tsuen, 1897 (Dejean) ; 

 1 <J, 1 $, Kwanhsien, vii. 1930 (Franck) ; 1 <J, Kwanhsien, Omei, 10.vii.1929. United 

 States National Museum. China : 1 C J, Szechwan, Mt. Omei, Shin Kai Si, 4400 ft. ; 

 1 c$, S. of Suifu. 



Nordstroemia agna (Oberthiir) comb. n. 



(Text-figs. 133-137) 



Drepana agna Oberthiir, 1916 : 373. 



Drepana agna Oberthiir ; Oberthiir, 191 7 : pi. 428 (antemedial fascia on fore wing should be 



straight in this plate). 

 Drepana agna Oberthiir ; Gaede, 1931 : 25. 

 Albara agna (Oberthiir) Gaede, 1933 : 169. 



