226 LEPIDOPTERA HETEROCERA 
334. GENUS EPHARMONIA, NOV. GEN. 
Type E.ardua, Meyrick. 
Characters. — Head with appressed scales, sidetufts slightly raised; ocelli posterior; tongue 
developed. Antenne 5/6, in cf simple, basal joint moderately elongate, without pecten. Labial palpi very - 
long, recurved, second joint thickened with appressed scales, terminal joint longer than second, slender, 
acute. Maxillary palpi very short, filiform, appressed to tongue. Posterior tibiae rough-scaled above. 
Forewings with 15 furcate, 2 and 3 stalked, 4 and 5 separate, 7 to termen, 8 and 9 out of 7, 11 from 
middle. Hindwings over r, trapezoidal, termen slightly sinuate, cilia 1/2; 3 and 5 stalked, 4 absent, 
6 and 7 stalked. 
Remarks. — Related to Deltoelastis. 
Geographical distribution of species. — Indian. 
Larva unknown. 
1. E. fselaphistis, Meyrick, Journ. Bombay Nat. Hist. Soc. Vol. 20, p. 456 Assam. 
(1910). 
2. E. ardua, Meyrick, ibidem. Vol. 20, p. 458 (1910). Assam. 
335. GENUS SISYRODONTA, MEYRICK 
Sisyrodonta, Meyrick, Ark. f. Zool. Vol. r4, n? 15, p. 5 (1922). — Type : S. ochrosidera, Meyrick. 
Characters. — Head with appressed scales; ocelli posterior; tongue imperceptible (?). Antennae 
under : (7), in c stout, strongly lamellate, stalk and lamellae wholly clothed with dense scales, basal 
joint stout, without pecten Labial palpi very long, recurved, second joint thickened with dense appressed 
scales, terminal joint longer than second, rather slender, scaled, acute. Maxillary palpi imperceptible. 
Forewings with 2 and 4 stalked from angle, 3 absent, 5 connate with 2, 8 and 9out of 7, 7 to apex (in- 
definite), 11 from middle. Hindwings r, trapezoidal, termen faintly sinuate, cilia 1/2; 3 and 5 stalked, 
4 absent, 6 and 7 stalked. 
Remarks. — Correlated with P/ilofAyris, an interesting connection. 
Geographical distribution of species. — Australian. 
Larva unknown. 
I. S. ochrosidera, Meyrick, Ark. f. Zool. Vol. 14, n? 15, p. 6 (1922). N. W. Australia. 
336. GENUS PTILOTHYRIS, WALSINGHAM 
Ptilothyris, Walsingham, Trans. Ent. Soc. Lond. p. 37 (1897). — Type : P. purpurea, Walsingham. 
Characters. — Head smooth; ocelli posterior; tongue developed. Antennae 4/5, in c stalk 
thickened with scales except towards apex, bipectinated, basal joint elongate, without pecten. Labial 
palpi very long, recurved, smooth, second joint thickened with appressed scales, compressed, terminal 
joint longer than second, slender, acute. Maxillary palpi very short, filiform, appressed to tongue. 
Posterior tibiae with appressed scales. Forewings with 15 furcate, 3 and 4 out of 2, 5 approximated, 
