358 DESCRIPTIONS OF AUSTRALIAN MICRO-LEPIDOPTERA, XVIII., 



ally towards termen : cilia light fuscous, mixed with white round 

 apex, and sprinkled with dark fuscous on basal half. Hindwings 

 over 1, apex round-pointed, termen not sinuate; light grey, darker 

 posteriorly; cilia whitish-fuscous. 



Brisbane, Queensland; Glen Innes (3500 feet), Newcastle, and 

 Sydney, New South Wales; Melbourne, Mount Macedon, and 

 Gisborne, Victoria; Mount Lofty, Wirrabara, and Quorn, South 

 Australia; Perth, West Australia; from August to February, 

 common and widely distributed, amongst Eucalyptus. One of 

 my specimens shows in one forewing the abnormality of veins 7 

 and 8 rising out of 6, the other forewing being quite normal. 



158. P. obeliscota, n.sp. 



(J9. 17-18 mm. Head and thorax whitish with a pale fuscous 

 central line, thorax with blackish-fuscous subdorsal lines, patagia 

 fuscous. Palpi dark fuscous, apex of second joint whitish, 

 terminal joint as long as second. Antennae fuscous. Abdomen 

 fuscous-whitish. Legs fuscous ringed with whitish, hairs of pos- 

 terior tibiee whitish. Forewings with costa gently arched, apex 

 round-pointed, termen extremely obliquely rounded; 2 and 3 

 stalked; light brown, more or less mixed or suffused with ferru- 

 ginous; costal f occupied by a broad white suffusion, costal edge 

 fuscous-mixed; three oblique blackish marks on anterior half of 

 costa, third connected by a series of short blackish dashes with 

 apex; a blackish mark on base of dorsum; a thick blackish streak 

 along fold from base, attenuated and becoming obsolete pos- 

 teriorly ; a more or less undefined white streak or suffusion 

 beneath this; a thick black longitudinal streak in disc limiting 

 the white costal suffusion from before J to apical series; some 

 white scales or suffusion beneath this towards tornus; an inter- 

 rupted blackish terminal line : cilia whitish-ferruginous, with 

 two indistinct fuscous lines, and a fuscous bar above apex. 

 Hindwings over 1, apex round-pointed, termen slightly sinuate; 

 light grey, darker posteriorly; cilia whitish-ochreous-grey. 



Gisborne, Victoria, in December; four specimens (Lyell). This 

 and the group of closely allied species which follow all frequent 

 the trunks of various species of Eucalyptus. 



