BY E. MEYRICK. 537 



82. Tin. diaphora, n.sp. 



^Q. 13-15 mm. Head light fuscous, face and palpi blackish. 

 Antennje whitish-fuscous. Thorax white, shoulders and anterior 

 margin blackish-fuscous. Abdomen ochreous-grey. Legs dark 

 fuscous, posterior pair suffused with whitish. Forewings very 

 elongate, costa gently arched, apex roundpointed, hindmargin 

 very obliquely rounded ; purple-blackish ; a strong irregular-edged 

 white streak from base along inner and hindmargin to apex, 

 sometimes mixed with whitish-ochreous posteriorly ; a fine blackish 

 hindmarginal line : cilia fuscous irrorated with whitish, basal 

 third suffusedly barred with white and dark fuscous. Hindwings 

 light grey ; cilia grey-whitish. 



Sydney, New South Wales; Melbourne, Victoria; from October 

 to January, not uncommon on Fucalyptus-trunks. Larva 16- 

 legged, elongate, cylindrical, with scattered whitish hairs ; dirty 

 whitish ; head and second segment dark fuscous ; very active ; 

 feeds on dead wood of Eucalyptus, between loose pieces, spinning 

 a good deal of web, mixed with refuse, in August and September. 



83. Tin. erehocosma, n.sp. 



(J^. 10-12 mm. Head white, sides of crown sharply dai"k 

 fuscous. Palpi dark fuscous, beneath whitish. Antennae dark 

 fuscous. Thorax dark fuscous, with white doi sal stripe. Abdomen 

 grey. Legs dark fuscous, apex of joints and posterior tibiae 

 whitish. Forewings very elongate, costa gently arched, apex 

 roundpointed, hindmargin very obliquely rounded ; dark purplish- 

 fuscous, irrorated with blackish ; a rather narrow white streak 

 along inner margin from base to anal angle, its upper edge four 

 times waved ; two or three whitish dots on costa towards apex ; 

 two or three small white spots on hindmargin, sometimes confluent 

 to form an irregular streak : cilia fuscous irrorated with whitish, 

 on costa dark fuscous spotted with whitish. Hindwings grey ; 

 cilia grey-whitish, base greyer. 



Sydney, New South "Wales ; in October and November, seven 

 specimens. 



