36 
MICROLEPIDOPTERA OF NEW GUINEA 
13. Fore wing with vein 7 to angle; vein 2 from considerably before angle of cell 
Atteva Walker 
Fore wing with vein 7 to termen; vein 2 from near angle of cell 
Lactura Walker 
Argyresthia Hubner, 1826 
Argyresthia Hubner, 1826, Verz. bek. Schm., p. 422. Zeller, Isis, vol. 32, p. 204, 
1839. Linn. Ent., vol. 2, pp. 234-241, 1847. Herrich-Schaefer, Schm. Eur., vol. 
5, p. 52, pi. 13, figs. 48—52, 54, 55, 1853. Stainton, Ins. Brit. Tin., p. 181, pi. 6, 
fig. 6, 1854. Manual, vol. 2, p. 369, 1859. Wocke, in Heinemann, Schm. Deutschl., 
Kleittschm., vol. 2, part 2, p. 647, 1876. Snellen, Vlind. Ned., Microl., pp. 523-524, 
1882. Meyrick, Handb. Brit. Lep., p. 761, fig., 1895. Rev. Handb., pp. 727 — 728, 
1928. Spuler, Schm. Ear., vol. 2, p. 446, fig., 1910. Forbes, Lep. N. York, p. 344, 
fig. 202, 1924. Fletcher, Catal. Ind. Ins., vol. 17, pp. 1 —2, 1928. Mem. Agric. Ind., 
Ent., vol. 11, p. 21, 1929. Pierce, Genit. Brit. Tin., pp. 51—52, pi. 30, 1935. 
Oligos Treitschke, 1830, Schmett. Ear., vol. 8, p. 299 {non descr.) ; etc. 
Ederesa Curtis, 1833, Entom. Mag., vol. 1, p. 191; etc. 
Argyrosetia Stephens, 1829, Cat. Brit. Ins., vol. 2, p. 205 (non descr.)-, etc. 
Ismene Stephens, 1834, 111. Brit. Entom. Haust., vol. 4, pp. 247—248; etc. 
Blastotere Ratzeburg, 1840, Forst. Ins., vol. 2, p. 240; etc. 
Argyresthia nivifraga spec. nov. (figs. 758, 759) 
12.5—14 mm. Head white, sometimes faintly tinged pale ochreous. 
Antenna dark brown, white-ringed, scape white. Palpus whitish, infuscated 
except tip, sometimes slightly touched with fuscous. Thorax very pale 
ochreous, sometimes almost white, tegula deep brown-brassy. Abdomen 
pale ochreous. Legs whitish, anterior leg suffused with black, median tibia 
with small subbasal and broad median and apical black rings, posterior 
tibia suffused with dark grey along apical half, tarsi black-ringed. Fore 
wing lanceolate, costa moderately curved, apex pointed, torrius indefinite. 
Light greyish-violet moderately speckled with white; anterior 2 / 3 of costa 
rather narrowly snow-white, with numerous dark brown dots, irregularly 
spaced and of inequal size, largest dot at 3 / 5 of costa, towards base dots 
confluent, so as to form a short dark brown costal streak; posterior third 
of costa suffused with dark brown, with three semiovate snow-white 
moderate dots, ultimate one subapical; three moderately broad strongly 
inwards-oblique parallel transverse fasciae, slightly dilated downward, 
irregularly edged by series of small white points, light tawny, glossy, little 
contrasting with ground colour of wing, from 2 / 5 , 3 / 5 and 4 / 5 of costa, 
respectively, anterior ones terminated by fold, ultimate one reaching to 
dorsum; some dark brown irroration in disc beyond base; dorsum below 
fold suffused with glossy light tawny except a small spot of ground colour 
below base of fold ; three subtriangular white dorsal dots : first well beyond 
base, not reaching fold, second at 2 / 3 of wing length, top on fold, with 
2 3 dark brown points on dorsal edge, third below end of fold, small, 
irregular ; all these spots edged except below with dark brown ; dorsal edge 
between spots and on base also edged dark brown ; a row of small irregular 
