598 DESCRIPTIONS OP AUSTRALIAN MICRO-LEPIDOPTERA, 



or ochreous-whitish, sometimes suffused with fuscous or dark 

 fuscous on back. Abdomen ip ^ whitish, in ^ grey. Legs dark 

 fuscous, middle pair partly suffused with white, posterior pair 

 whitish. Forewings elongate, rather narrow, costa moderately 

 arched, apex roundpointed, hindmargin sinuate, oblique; brownish- 

 ochreous, in J" slightly, in Q strongly mixed with dark fuscous ; 

 in (J an irregular suffused white streak along fold, marked beneath 

 with three ill-defined blackish-fuscous spots or dashes, and apical 

 half of wing mostly suffused with white ; in ^ a white patch 

 occupying costal half of wing from g to apex, lower edge marked 

 at f of disc with a semicircular indentation, beneath which is a 

 small white spot : cilia whitish, on hindmargin mixed witli dark 

 fuscous, forming two or three cloudy lines and an apical bar. 

 Hindwings relatively broader in ^ ; in (J whitish, cilia whitish ; 

 in 9 rather dark grey, cilia grey. 



Sydney and Bulli, New South Wales ; Georges Bay, Tasmania ; 

 from October to April, not uncommon. 



41. Oateristis, Meyr. 



Head rough on crown, face smooth ; ocelli present ; tongue 

 short. Anteunse almost 1, in ^ filiform, simple, basal joint 

 enlarged, with dense pecten of scales forming an eyecap. Labial 

 palpi short, drooping, filiform. Maxillary palpi rudimentary. 

 Posterior tibise clothed with long hairs. Forewings with vein 1 

 simple, 3 absent, 4 absent, 6 and 7 stalked, 7 to costa, 8 absent, 

 9 absent, 11 from middle. Hindwiugs §, lanceolate, cilia 3; 

 vein 3 absent, 4 absent, cell open between 2 and 5, 5 aad 6 

 stalked, 6 to costa, 7 absent. 



Probably a degenerate development of Nematohola^ indicating 

 rather clearly the origin of the other degenerate genera which 

 follow. The single species is common to Australia and New 

 Zealand, but little is known of it at present. 



180. Cat. eustyla, Meyr. 

 (Cateristis eustyla, Meyr., Trans. N. Zeal. Inst. 1888, 164.) 

 (J. 10-11 mm. Head and thorax white, face grey. Forewings 

 lanceolate ; snow-white ; a slender dark fuscous streak along costa 



