180 
ESCHATARCHIA; EUCHOECA; ASTHENA By L. B. Prottt. 
punctilinea- 
ria. 
venusta. 
lineata. 
chibiana. 
amurensis. 
mymphaeata. 
lactularia. 
albidaria. 
melanosticta. 
octomacula¬ 
ria. 
A. punctilinearia Leech (Vo!. 4, pi. 7 g). I have seen 2 further examples from the Oberthttr collection, 
received from Ta-tsien-lu and district; Sterneck notes a very weakly marked A from the same locality. 
A. venusta Warr. (16 h) differs from all the others in its much extended brown markings. It was de¬ 
scribed from Sikkim and was until recently only known to me from that country. But I have found in the 
Oberthur collection a dwarfed $ (28 or 29 mm) from Siao-lu, which may possibly represent a different race, 
though I can see no other difference. 
67b. Genus: l^scliaiarclfiia Warr. 
(See Vol. 4, p. 269.) 
This also I now treat as a probable genus, but it is not Autallacta (type subobliquaria, an aberrant 
Hydrelia). The subcostal venation of the forewing is approximately as in Agnibesa, the areole ample. Only the 
type species is known. 
E. lineata Warr. (Vol. 4, pi. 13 f). A form of this very distinct species is now known from Upper Burma 
and it will probably be discovered also in West China. 
68. Genus: Euchoeca Hbn. 
(See Vol. 4. p. 270.) 
It is quite possible that I have overestimated the importance of the biological conditions which se¬ 
parate this genus from Hydrelia and that the several systematists who have sunk the latter to Euchoeca are 
justified; in any case the genitalia confirm the nearness of the relationship. But I hesitate to accept as the 
type of a rather extensive genus a species which stands somewhat apart from all the rest, and the law of 
priority prevents us from calling Euchoeca (1823) a section of Hydrelia (1826). 
69. Genus: Astheiia Hbn. 
(See Vol. 4, p. 271.) 
It was not accurate to summarize the distribution as agreeing with that of Hydrelia. Asthena is not 
known from North America nor from Africa. As a matter of fact it belongs chiefly to the Palaearctic Region 
and N. India; even the few associated species from New Guinea and Australia, and especially the one which 
I have described from Samoa, may have to be separated from it. I have discussed the venational variations 
in Ins. Samoa, Pt. 3, fasc. 3, p. 150. 
A. chibiana Matsumura. 9, 18 mm. “Closely allied to A. anseraria but differs as follows: All bands of 
forewing much broader, subbasal and antemedian bands somewhat parallel with each other, the submarginal 
extended nearly to the termen; discoidal spot dark brown. Hindwing with 4 much broader wavy bands. Under¬ 
side paler, with nearly the same bands as the uppersurface, but of a paler colour”. South Saghalien, 30 July 
one only. 
A. amurensis Stgr. (16 h). Djakonov has shown that this is a good species, not an albulata race. 
The G antenna is simply filiform, not serrate. Still more noteworthy are the distinctions in the $ genitalia; 
the “sacculus" is far more strongly chitinized and terminates in a broadly rounded prominence, at the base 
of which there is a strong ridge of chitin. 
A. nymphaeata Stgr. (Vol. 4, pi. 13 e) occurs also in Corea and W. China and, according to Sterneck, 
at Pekin. 
A. lactularia H.-Sch. (= nymphulata Guen.) (Vol. 4, pi. 13 g, as nymphulata). The record “S. France” 
is to be suppressed, as it originated in a misidentification of anseraria from Gironde (Trimoulet). 
A. albidaria Leech (16 i). We figure the 9 type (Chia-ting-fu) of this very faintly marked, somewhat 
Scopula- like species. 
A. melanosticta Wehrli (14 e), from Lienping, S. E. China, is not yet known as Palaearctic, but looks 
as though it may have had a Palaearctic origin; attention is therefore called to it here. Probably nearest 
to ochrifasciaria Leech (Vol. 4, pi. 13 e) but well distinguishable; note the stronger development of the black 
hindmarginal spot of the forewing, the more angled hindwing, etc. 
A. octomacularia Leech (Vol. 4, pi. 7 li). The type still remains unmatched, but confirmation of its 
relationship to the variable ochrifasciaria has been obtained through the receipt of a Tokyo 9 with a similar, 
black-marked postmedian and no black marking at the hindmargin. Perhaps octomacularia is a broad-winged 
race of the latter. 
