312 DESCRIPTIONS OF AUSTRALIAN MICRO-LEPIDOPTERA, 



and a subspiracular row of similar spots obliquely behind these; 

 head pale dull ochreous; second and anal segments almost entirely 

 blackish from confluence of spots : feeds in galls on Acacia Uni- 

 folia in August; gall half-an-inch long, irregularly elongate-cylin- 

 drical, narrowed at ends, situated on a pedicel of equal length,, 

 and probably representing a metamorphosed flowerhead. 



28. H. sideropa, n.sp. 



(J. 10-13 mm. Head, palpi, antenna;, thorax, alxlomen, and 

 legs dark ashy-fuscous. Forewings dark ashy-fuscous, violet- 

 tinged : cilia fuscous. Hind wings dark grey; cilia grey. 



Deloraine, Tasmania; York, West Australia; in November, two 

 specimens. 



5. Pachyrhabda, n.g. 



Antennae |-, in ^ thick, compressed, simple. Labial palpi long, 

 recurved, smooth, terminal joint as long as second, acute. 

 Posterior tibise rough-haired, posterior tarsi with whorls of hairs 

 at joints. Forewings : lb simple, 2 partly obsolete, 7 and 8 

 stalked, 7 to costa. Hindwings |, linear, cilia 8; transverse vein 

 absent between 3 and 5, 4 absent, 6 absent. 



A monotypic genus, originating from Sfatlimopoda. Imago 

 with forewings elongate, veiy narrow, broadest near base, long- 

 pointed; in repose the posterior legs are erected as in Sfatlimopoda. 



29. P. steropodes, n.sp. 



(J 5. 9-10 mm. Head, palj)i, antennae, thorax, and abdomen 

 ochreous-whitish. Legs wdiitish, obscurely spotted with dark 

 grey. Forewings ochreous-whitish ; two very faint ill-defined 

 light ochreous-broM'nish spots on dorsum near base and in middle, 

 one on tornus, and two on costa at | and |, sometimes partially 

 suffused together or hardly traceable : cilia ochreous-whitish. 

 Hindwings grey or whitish-grey; cilia whitish. 



Warragul, Victoria; Mount Wellington (2500 feet), Tasmania; 

 in September and December, six specimens. 



