166 RKVISIOX OF ALSTRALIAX LEPIDOPTERA — HYPSIDAE, AXTHELIDAE, 



Gen. 2. N A t a x A. 

 Xatajii Wlk.. Cat. Brit. Mus., v., p. 1179. 



Palpi very slioit, nearly obsolete. Antennae of both sexes bipectinate to 

 apex, pectinations of ? short. Posterior tibiae wjthout middle spurs. Forewings 

 with 4 add 5 connate or approximated, all veins from areole separate, subapical 

 crossbar from 10 to 9 shortly beyond their bifurcation. Hindwing's with 4 and 

 5 connate or approximated, 6 and 7 connate or short-stalked, 12 diverging; widely 

 from o«ll, connected with it at \ ty 11, whicL is strongly developed. 



There is only one species. 



2. Nataxa flavesckns. 



Perna ? flavescens Wlk., Cat. Brit. Mus., v., p. 1128. — Xata.ra flavifaseia 

 Wlk., ib., v., p. 1179. — N. rubida Wlk.. ib., xxxii., p. 512. — Dicreaga ochro- 

 cephala Fekl., Reise Nov., Pi. 100, f. 2. 



c?. 22 — 31 mm. Head reddish-ochreous. Antennae fuscous. Thorax brown 

 or reddish-l)rown. Thorax fuscous-brown, underside and tuft paler. Legs 

 brownish; anterior coxae ochreous. Forewings elongate-triangular, costa sinuate, 

 apex pointed, termen nearly straight, strongly oblique, longer than dorsum; 

 fuscous more or less suffused with reddish; ill-defined reddish spots neai- base, 

 on costa before apex, and sometim<>s on mid-costa; an ochreous costal spot at 

 I, from which a slender ochre. nts line usually proceeds Id j dorsum; cilia very- 

 short, fuscous. Hindwings with teimen nearly straight; colour as forewings, 

 but with more reddish suffusion; usually a fine, curved, postmedian, ochreous 

 line; cilia short, ochreous. Underside similar. 



$. 30 — 40 mm. Head ochreous. Thorax fuscous. Abdomen fuscous, usually 

 with a series of whitish spots on bases of segments on mid-dorsum, and two 

 lateral series on undei-side, the last doi-sal spot is enlarged. Forewings with 

 costa gently arched, termen slightly bowed; fuscous; a whitish blotch on costa 

 from .{ to middle, containing two subcostal blackish dots, first beyond ^, second 

 beyond middle; a whitish spot on costa slightly beyond middle, from which 

 usually proceeds a fine sinuate white line to J dorsum ; cilia fuscous. Hind- 

 wings with termen rounded; fuscous with ill-defined antemedian and post- 

 median curved transvei-se lines; cilia fuscous. Underside similar. 



The two sexes differ much, and the S is variable. 



Q'land.: Gympie, Brisbane; N.S. Wales: Lismore; Vic: Melbourue. Gis- 



borne ; Tas. : . 



Gen. 3. A p r o s i t a. 



Aprosita Turner, Trans. Koy. Soc. S. Aust., 1914, p. 450. 



I'alpi 2; second joint with dense long hairs beneath; terminal joint moderate. 

 Head, thorax and abdomen densely clothed with long rough hairs. Posterior 

 tibiae witliout median spurs. Forewings with 5 from above lower angle of 

 cell, G connate or sliort-stalked from upper angle, areole very long, sometimes 

 open between 9 and 8, 7 and 8 connate or stalked from areole, subapical cross- 

 bar from 10 to 9 usually, but not always, developed. Hindwings with dis- 

 cocellulars strongly angled inwards, 3, 4, •.5 separate, (i and 7 connate or stalked, 

 11 present, 12 widely separate from cell. 



The connecting bar between 9 and 8 of the forewings is often feebly 

 developed, and may be absent, leaving the areole ojien. The subapical crossbar 

 is of the usual type, but sometimes fails to cliitinise. 



