750 DESCRIPTIONS OF AUSTRALIAN MICRO-LEPIDOPTERA, 



£. 20-21 mm. Head white. Palpi white, second joint dark 

 fuscous except towards base and apex above. Antennae grey. 

 Thorax grey, shoulders ochreous-fuscous, centre sometimes white. 

 Abdomen grey. Legs dark fuscous, posterior pair grey-whitish. 

 Forewings elongate, costa gently arched, apex round-pointed, 

 hindmargin almost straight, very oblique ; brownish-ochreous, 

 densely irrorated with grey-whitish, and sometimes partially with 

 dark fuscous ; absence of irroration sometimes produces broad 

 subcostal and dorsal streaks, and hindmarginal blotch ; extreme 

 costal edge whitish, towards base blackish ; a round black dot in 

 disc before middle, a second more elongate obliquely before it on 

 fold, and a third in disc beyond middle : cilia whitish-ochreous or 

 whitish-grey, irrorated with whitish. Hindwings rather light 

 grey ; cilia grey-whitish. 



Var. a. White irroration wholly absent, and discal dots hardly 

 perceptible ; head grey-whitish. 



Nearly allied to P. themeropis, but with the ground colour 

 brownish-ochreous, not white as in that species ; in other characters 

 variable. 



Mount Wellington, Tasmania, at 2500 feet ; four specimens 

 beaten from Lcptospermum in December. 



28G. Pleur. tephrina, n. sp. 



Media, alis ant. dilutius fusco-griseis, striga dorsi albido nigroque 

 mixta, venis postice nigro-lineatis ; post, griseis. 



g. 20 mm. Head and antennoe grey. Palpi dark grey mixed 

 with white. Thorax grey, with a dark fuscous lateral stripe. 

 Abdomen grey. Legs dark fuscous, posterior pair grey- whitish. 

 Forewings elongate, costa gently arched, apex round-pointed, hind- 

 margin sinuate, very oblique ; light brownish-grey ; costal edge 

 whitish, towards base blackish ; a streak along inner margin 

 irrorated with white and dark fuscous ; veins slightly and obscurely 

 lined with whitish, posterior veins irregularly lined with black : 

 cilia grey, mixed with whitish, with a very obscure darker line. 

 Hindwings grey ; cilia whitish-grey. 



