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Show 1881.] OF AMURLAND, NORTH CHINA, AND JAPAN. 883 NlPHANDA FUSCA. Thecla fusca, Brem. & Grey, Schm. nordl. China, p. 9 (1853). Thecla fusca, Men. Cat. Mus. Petr. i. t. iv. (1855). 5 AmBlypodia dispar, Brem. Lep. Ost-Sib. p. 24, t. iii. (1864). Polyommatus fuscus, Oberthiir, Et. Ent. ii. p. 20, t. iv. This species is recorded from the Amur and Pekin (Bremer). I have specimens from Ningpo {Pryer) and Japan (Pryer) which agree very well with Bremer's and Oherthiir's figures. The female differs considerably from the male. There are specimens in Dr. Staudinger's collection from Raddefskaia and Baianfsky. This species is referred by Butler to Moore's genus Niphanda, of which the type is N. tessellata, Moore, P. Z. S. 1874, p. 572, t. Ixvi. fig. 6. It does not, however, seem to resemble the figure of this insect in form or colour. DIPSAS S^-PESTRIATA, Hew. 111. Diurn. Lep. p. 67, t. xxvi. (1865). This species seems common in Japan, and occurs also at Vla-divostoek, where it was taken by Ddrries. D. LUTEA, Hew. 111. Diurn. Lep. p. 67, t. xxvi. (1865). This species also occurs in the same localities as the last, but does not seem so common. D. JONASI, Jans. Cist. Ent. ii. p. 157. Taken at the Yokawa river in Japan by Jonas. A single specimen from Askold, collected by Dorries, is in Dr. Staudinger's collection. D. RAPHAELIS, Oberthur, Et. Ent. v. p. 20, t. v. fig. 1 (1880). This species, which is allied to the last, is from Askold, where it appears to be not common. D. MICHAELIS, Oberthur, Et. Ent. v. p. 19, t. v. fig. 2 (1880). This species, which is also from Askold, appears to belong to the same group as the four preceding, though the yellow of the upper surface is much overlaid with brown. THECLA SMARAGDINA, Brem. Lep. Ost-Sib. p. 25, t. iii. fig. 5. T. taxila, Brem. loc. cit. p. 26, t. iii. fig. 7. The group of Thecla with green males and brown or purplish females is very well represented in Amurland and Japan, as also in the Himalayas. There is, however, much difficulty in making out some of the forms, and it was only after I had consulted Dr. Staudinger that I came to any conclusion on the subject. Bremer figures T. taxila twice over, what he considers as the female being I believe the female of T. smaragdina, and what he calls the male being probably the female of a form of T. japonica occurring in Amurland. No male insect of that colour is yet known among the various species of this group of Thecla; and if T. taxila is a distinct species, we 57* |