840 THANAOS. By P. Mabille. 



oherlhueri. H. oberthueri Leech (8(1 h). Simihir to the preceding, but with a dark terminal band, which is 



separated from the suhterminal one l\v a white dentate Hne or a row of white dots. In West and South 

 China, in May and June. 



zona. H. zona Mali. (= sinicus Bilr.) (S6 b). Above more sparsely spotted. Base of hindwing beneath 



greyish white, with a white dot at the Inise of interspace 7; median band white, narrow, beyond it a 

 broad brownish band; submarginal band very broad, black, posteriorly united with a whitish-blackish 

 suliterminal band. — Japan, Central China, abundant. 



alhislriya. H. albistriga Mah. (K6 li). Base of wings blackish, with a white dot in interspace 7. iledian band 



wliite, distinct, the whole marginal area uniformly blackish. North and Central China. 



mandnta. H. maculata Brem. k (ireij (= aniurensis Stijr.) (86 c). Base of wings blackish grey. The white 



median band forms the border of a brownish red spot. Marginal area leddish brown, often with a small 

 second, white, subterminal band. The white dot obsolescent or absent. Amur, North and Central China. 

 — Larva uniformly light green inclusive of the abdominal legs: the second segment and the first pair of 

 thoracic legs red-brown, the head velvety black : on Spiraea and Raspberry in September. The butterfly 

 in May and -Tune. 



Utihelava. H. thibetana Oberth. (86 c). Above very similar to the preceding. Underside of forewing with the 



apex white and a short oblique spot yellowish brown : the two small white spots in interspaces 4 and 6 

 united. West China, in May and June. 



.<>idac. H. sidae E.sp. (86 b). Underside of hindwing with two light orange-red bands which are bordered 



with black, extend to vein 7 and terminate with a black spot in interspace 8. The white spots on the 

 upperside of the forewing very small; the two spots in interspaces 2 and 3 smaller than all the others. 

 Central and South Europe, and from Asia Minor to Turkestan. 



anlonia. H. antonia Spr. (86 b). The orange-yellow band extends to vein 8. Underside of forewing with 



very distinct white dots, those in interspaces 2 and 3 the largest, equalling the cell-spot. In Turkestan 

 gigantea. and the valley of the Amur. — gigantea Stgr. is one-third larger; from Ferghana. 



15. Genus: Tlianaoi!» Bdv. 



Club of antenna curved, obtuse. Palpi porrect, very bristly, segment 3 conical, short. Forewing 

 of (^ with costal fold, which however is absent from some species; vein 5 midway between 4 and 6. 

 Hindtibia with two pairs of spurs. 



A. Male with costal fold. 



lages. Th. tages L. (86 c). Forewing grey-brown, with two oblicjue black bands, which are proximally 



edged with yellowish grey. A marginal row of small light dots and two apical dots, of which one is trans- 

 parent. Hindwing black, in quite normal specimens without spots. Throughout Europe and Northern Asia 

 clants. to the Amur. al). clarus are very pale specimens, which may occur everywhere among true tages. — 

 popoviana. popoviana Nordm. (= sinina Gr.-Grsh.) (86 c) is hardly more than a synonym; light grey, with a row of 

 white marginal dots and a second similar row in the centre, the hindwing with a light discocellular spot. 

 wiicolor. Dauria. Annir, Cliina. — unicolor Frr. (86 c) is uniformly brown grey without any markings, (rreece and 

 cerrantcK. Asia Minor. — cervantes (Irasl. (86 d). Larger and much darker than true tac/es. The dark bands obsolete 

 or only indicated by black streaks: the marginal dots scarcely visible. South Spain. — Larva green, with 

 the head brown and yellow lateral stripe dotted with black: on Eryngium and Lotus, in July and late 

 in the autumn. Pupa green, with reddish abdomen. The liutterflies in April and May and again from 

 July onward, everywhere plentiful. They fly low above the ground and like to settle on roads. 



montamis. Th. montanus Brem. (= rusticanus Btlr.) (86 d). Forewing dark brown, with an almost black band, 



which is dusted with reddish and extends from the apical spots to the hindmargin. On the underside the 



first row of light dots is diffuse and irregular below the cell. Hindwing with two yellow macular bands, 

 the proximal one consisting of larger and irregular spots. Amur, China, Japan. 



leechi. Th. leechi Elw. (= var. nigrescens Leech) (86 d) differs from jnontanus in its smaller size. On the 



underside of the forewing the proximal row of light dots is regular below the cell and distinct. Ta-tsien- 

 lu, Tehang-kon and Tibet. 



B. Male without costal fold. 



marloyi. Th. tnarloyi Bdi\ (= sericea JPrr., rustan Koll.) (86 d). Wings black; the forewing with two 



obUque black bands; fringes hardly lighter than the ground-colour. The light dots in interspaces 7 and 



