from China^ Japan ^ and Corea. 545 



Genus Naxa. 

 (Walk. ; Hampson, Fauna Brit. Ind., Moths, iii. p. 324 (1895).) 



Naxa margaritaria^ sp. n. 



Frenulum absent ; antennae bipectinated ; hind tibire not 

 dilated, but with terminal pair of spurs. Subdiaplianous 

 with strong pearly reflections. Traversed by series of black 

 spots as in N, seriaria. The subcostal spot of first series is 

 double, and there is an additional one on the inner margin, 

 increasing the number in this series to four ; there is also a 

 spot on inner margin between the first and second series. 

 The secondaries also have an additional spot about the middle 

 of the abdominal margin. All the markings are smaller and 

 fainter. Body and upperside of legs black. 



Expanse 44-46 millim. 



Two male specimens from Chang-yang, July. 



Hah. Central China. 



Naxa seriaria. 



Zerene seriaria, Motsch. Bull. Soc. Nat. Mosc. 1866, pt. 1, p. 196. 



Ort/tostiais Icstata, Brem. Lep. Ost-Sib. p. 84 (1864). 



Zerene taicoumaria, de I'Orza, Cat. L6p. Jap. p. 48. 



Naxa seriaria, Hampson, Fauna Brit. Ind., Moths, iii. p. 325 (1895). 



Psilonaxa taicoumaria, Warren, Proc. Zool. Soc. Lond. 1893, p. 393. 



There were some specimens in Fryer's collection under the 

 name Naxa textilis. In his ' Catalogue of the Lepidoptera 

 of Japan/ Pryer says : " Yokohama. Larva hairy, gregarious. 

 Living in a web ; feeds on the privet." 



Occurs also in the Island of Kiushiu and at Omei-shan. 

 The specimens from tiie last-named locality range in expanse 

 from 36-53 millim. 



Distribution. Bhutan ; Nagas (//a??*j95on) ; Amur; Japan; 

 Kiushiu ; Western China. 



Naxa angustaria, sp. n. 



Similar in appearance to A^. seriaria, Motsch., but the 

 frenulum is present, and the antenna3 are shortly bipectinated 

 in both sexes ; hind tibial not dilated and with terminal spurs. 

 The discal spots of secondaries are smaller ; the submarginal 

 series of black spots on each wing is rather nearer the mar- 

 ginal series, and the spots themselves are smaller. 



Expanse 40-52 millim. 



Several specimens from Ichang and Cliang-yang : June 

 and July. 



Ilab. Central China. 



