52 LEPIDOPTERA HETEROCERA 
hardly rough beneath, terminal joint shorter than second, slender, acute. Maxillary palpi very short, 
filiform, appressed to tongue. Posterior tibiae clothed with hairs above. Forewings with r6 furcate, 
2 absent, 3 from angle, 4 absent, 5 rather approximated, 7 and 8 out of 6, 7 to costa, 11 from middle. 
Hindwings under 1, narrow-trapezoidal, apex acute, produced, termen emarginate, cilia 3; 2-4 remote, 
parallel, 5 curved, rather approximated, 6 and 7 nearly parallel. 
Remarks. — Perhaps a development of the following, and hitberto included with it. 
Geographical distribution of species. — European and Indian. 
Larva (only gemmella known) feeding iu buds and shoots. 
Foodplant Quercus. 
1. S. gemmella, Linnaeus, Syst. Nat. Vol. rz, p. 539 (1758). C. & S. E. Europe. 
nivea, Haworth, Lep. Brit, p. 554 (1828). 
nigrovittella, Duponchel, Hist. Nat. Lép. Fr. Vol. 11, pl. 298, f. 5 (1838). 
lepidella, Zeller, Isis, p. 202 (1839). 
2. S. sagittella, Caradja, Iris, Vol. 34, p. 110 (1920). Asia Minor. 
3. S. nigrinotella, Zeller, Isis, p. 856 (1847). S. E. Europe, Asia Minor. 
nigralbella, Herrich-Scháffer, Schmett, Eur. Vol. 5, f. 565 (1855). . 
4« S. orsicoma, Meyrick, Exot. Microlep.Vol.2, p. 13o0(1918) — PI. I, Fig. 15. Ceylon. 
5. S. trichaspis, Meyrick, ibidem, Vol. 2, p. 131 (1918). Ceylon. 
6. S. frustulenta, Meyrick, ibidem, Vol. 3, p. 13 (1923). Assam. 
7. S. marginipunctella, Stainton, Trans. Ent. Soc. Lond.(2)Vol.5, p. 118(1859). Bengal. 
8. S. zelosaris, Meyrick, Exot. Microlep. Vol. 3, p. 12 (1923). Assam. 
47. GENUS PARACHRONISTIS, NOV. GEN. 
Poecilia, Heinemann, Schmett. Deutschl. (2)Vol. 2, p. 281 (1870) (praeocc.). — Type: P. albicejs, Zeller. 
Characters. — Head smooth; ocelli posterior; tongue developed. Antennae 4/5, in c simple. 
basal joint moderate, without pecten. Labial palpi long, recurved, second joint somewhat thickened with 
appressed scales, terminal joint shorter than second, moderate, acute. Maxillary palpi very short, filiform, 
appressed to tongue. Posterior tibiae clothed with hairs above. Forewings with 15 furcate, 2 from angle, 
4 absent, 3 and 5 approximated, 7 and 8 stalked, 7 to costa, 11 from middle. Hindwings under r, 
elongate-trapezoidal, apex produced, pointed, termen emarginate, cilia 3; 2 remote, 3-5 rather approxi- 
mated towards base, 6 and 7 nearly connate. 
Remarks. — Nearly related to Recurvaria, 
Geographical distribution of species. — European. 
Larva unknown. 
1. P. albicefs, Zeller, Isis, p. 202 (1839). C. & S. E. Europe. 
aleella, Wood, Ind. Ent. f. 1225 (1839). 
48. GENUS OXYLECHIA, MEYRICK 
Oxylechia, Meyrick, Trans. Ent. Soc. Lond. p. 39 (1917). — Type : O. confirmala, Meyrick. 
Characters. — Head smooth ; ocelli posterior; tongue developed. Antennae 3/4, in cf simple, 
basal joint moderate, without pecten. Labial palpi very long, recurved, second joint with short rough 
