186 LEPIDOPTERA HETEROCERA 
255. GENUS MACHLOTRICHA, MEYRICK 
Machiotricha, Meyrick, Ann. S. Afr. Mus. Vol. ro, p. 6r (1912). — Type : M. caca, Meyrick. 
Characters. — Head smooth; ocelli posterior; tongue developed. Antennae 4/5, basal joint 
elongate, without pecten. Labial palpi very long, porrected, second joint very long, straight, densely 
rough-scaled above and with very long rough projecting scales beneath, terminal joint directed obliquely 
sideways, shorter than second, slender, acute. Maxillary palpi minute, filiform, appressed to tongue. 
Posterior tibiae smooth-scaled. Forewings with 2 and 3 stalked from angle, 7 and 8 stalked, 7 to apex, 
1I from middle. Hindwings r, trapezoidal, termen slightly sinuate, cilia 1; 4 absent, 5 somewhat 
approximated to 3, 6 and 7 stalked. 
Remarks. — Probably referable in this neighbourhood. 
Geographical distribution of species. — Aírican. 
Larva unknown. 
I. M. caeca, Meyrick, Ann. S. Afr. Mus. Vol. 1o, p. 62 (1912). Zululand. 
256. GENUs PACHYSARIS, MEYRICK 
Pachysaris, Meyrick, Trans. Ent. Soc. Lond. p. 276 (1914). — Type : P. rurigena, Meyrick. 
Characters. — Head with appressed scales, sidetufts roughly spreading; ocelli posterior; 
tongue developed. Antennae 5/6, in cf moderately ciliated, basal joint moderate, without pecten. Labial . 
palpi very long, curved, ascending, second joint much thickened with dense scales, above with long 
dense projecting hairs on apical half, in cf sometimes expansible interiorly, terminal joint much shorter 
than second, more or less roughened posteriorly, acute. Maxillary palpi very short, filiform, appressed 
to tongue. Posterior tibiae with rough projecting hairs above and beneath, Forewings with 15 furcate, 
2 and 3 stalked, 7 and 8 stalked, 7 to costa, r1 from middle. Hindwings over r, trapezoidal, apex obtuse, 
termen faintly sinuate, cilia 1/2; with cubital pecten; 3 and 4 connate, 5 approximated at base, 6 and 7 
connate or closely approximated. ; 
Remarks. — A specialised modification of Cymotricha., 
Geographical distribution of species, — South American. 
Larva unknown. 
1. P. contrila, Meyrick, Trans. Ent. Soc. Lond. p. 105 (1922). Guiana, Brazil. 
2. P. collina, Meyrick, ibidem, p. 277 (1914). : Peru. 
3. P. paenitens, Meyrick, Exot/ Microlep. Vol. 2, p. 626 (1923). Brazil. 
4 
. P. rurigena, Meyrick, Trans. Ent. Soc. Lond. p. 277 (1914). Guiana. 
257. GENUS TOCMIA, WALKER 
Tocmia, Walker, List Lep. Het. Brit. Mus. Vol. 29, p. 805 (1864). — Type: T. versicolorella, Walker. 
Characters. — Head smooth; tongue developed. Antennae nearly r, in c simple. Labial palpi 
very long, second joint porrected, with rough projecting scales above and beneath, terminal joint less 
