338 DESCRIPTIONS OF AUSTRALIAN JIICRO-LBPIDOPTERA, 



78. E. catarata, n.sp. 



^. 8 mm. Head, palpi, antennse, thorax, abdomen, and legs 

 blackish-fuscous, finely whitish-speckled, legs whitish-ringed. 

 Forewings blackish-fuscous, finely speckled with ashy-whitish; an 

 ochreous-whitish plical dot before middle : cilia fuscous irrorated 

 with black. Hindwings and cilia dark fuscous. 



Deloraine, Tasmania; in November, one specimen. 



14. COSMOPTBRYX, Hiib. 



Antennae nearly 1, in ^ simple. Labial palpi ver}^ long, 

 recurved, second joint smooth, terminal longer, acute. Posterior 

 tibi;>3 rough-haired. Forewings : lb furcate, 5 sometimes absent 

 or out of 7, 6 out of 7, 7 to costa, 8 out of 7. Hindwings ^, 

 linear, cilia 5-7; transverse vein absent, 3 sometimes absent, 4 

 absent, 5 absent. 



A small cosmopolitan genus, derived from Pyroderces, possibly 

 Indo-Malayan in origin, but apparently nowhere numerous. 

 Imago with foi-ewings veiy narrow, long-pointed or caudate; the 

 species are very elegant in colouring, but require careful dis- 

 crimination. The known larvje mine in leaves; those of the Aus- 

 tralian species may not improbably be attached to Q-ramineoB. 



1. Forewings with yellow or orange fascia 2. 



Forewings without such fascia 79. mystica. 



'2. Forewings with white subcostal line from base of 



costa 3. 



Forewings without such line 82. heliactis. 



3. Hindwings dark grey 4. 



Hindwings pale grey 83. epizona. 



4. Abdomen yellow-ochreous or brown 81. macrula. 



Abdomen dark grey 80. mimetis. 



79. C. mystica, n.sp. 



(J. 8 mm. Head silvery-white. Thorax black, streaked with 

 pale golden-metallic. Abdomen dark grey, basal half sprinkled 

 with pale golden-metallic. Legs dark fuscous, posterior pair 

 ringed with silvery-whitish. Forewings blackish, markings pale 



