244 Mr. J. H. Leech on Lepidoptera Heterocera 
The type of this species was taken at Yokohama by 
Mr. Jonas. 
Hab. Japan. 
Thalera lactearia. 
Phal. Geometra luctearia, Linn. Syst. Nat. x. p. 519; Clerck, Icon. 
L. iii, fie, 19. 
Todis lactearia, Guen. Phal. i. p. 355. 
Euchloris lactearia, Meyrick, Trans. Ent. Soc. Lond. 1892, p. 95. 
There was one example from Yesso in Pryer’s collection 
mixed up with Hemithea marina, Butl., and I took a 
specimen at Gensan in June and at Ningpoin April. My 
native collector obtained the species at Ningpo in June. 
Distribution. Europe; Amur; Corea; Yesso; Hastern 
China. 
Thalera ambigua. 
Thalassodes ambigua, Butl. Il. Typ. Lep. Het. ii. p. 49, pl. xxxvi. fig. 6 
(1878). 
Specimens from Oiwake in Pryer’s collection. I obtained 
specimens at Nagahama in July, and my native collector at 
Gensan also in July. 
Distribution. Corea; Japan; Kiushiu; Ningpo. 
Thalera sinuosaria, sp. n. 
Green, each wing with two sinuous darker lines, the first 
edged inwardly with whitish, the second edged outwardly, 
expanding about the middle and above inner margin on_pri- 
maries and before abdominal margin on secondaries ; all the 
wings have a dark discal ring centred with white. Fringes 
slightly paler than the ground-colour and preceded on the 
secondaries by a darker line. Under surtace silky white, the 
primaries tinged with greenish. 
Expanse 28-34 muiilim. 
Four examples of each sex. 
Ta-chien-lu, Moupin, Pu-tsu-fong, Wa-shan, Omei-shan, 
and Ni-tou: June. 
Hab. Western China. 
Thalera flagellaria. 
Hemithea flagellaria, Pouj. Ann. Soc. Ent. Fr. 1895, p. 310, pl. vi. fig. 8. 
Two male specimens from Moupin (Powade). I have 
received specimens from T’a-chien-lu, Ni-tou, Moupin, and 
Chang-yang: June, July, and August. 
Hab. Central and Western China. 
