430 DESCRIPTIONS OF AUSTRALIAN MICRO-LEPIDOPTERA, XVIII. , 



8. Tuft of palpi short or very short 9. 



Tuft of palpi moderately long 10. 



9. Basal half of cilia darker-barred, tuft very short. ... 267. achlyodes. 

 Basal half of cilia not barred 269. kolomelas. 



10. Forewings with oblique dark plical mark at ^ 271. thanatopsis. 



Forewings without such mark 273. caimites. 



263. Y. ammoo:anthiis, n.sp. 



(J. 11-13 mm. Head and thorax j^ellow-ochreous. Palpi 

 whitish, second joint dark fuscous somewhat sprinkled with 

 whitish, tuft moderately long, anterior edge of terminal joint 

 dark grey. Antennse pale yellowish ringed with dark fuscous. 

 Abdomen whitish-ochreous, dorsally suffused with fuscous. Legs 

 dark fuscous ringed with whitish, hairs of posterior tibiae whitish- 

 ochreous. Forewings narrow, costa gently arched, apex acute, 

 termen almost straight, very oblique; yellow-ochreous; costa dark 

 fuscous towards base; stigmata dark fuscous, plical little marked, 

 slightly beyond first discal; some fuscous scales towards termen : 

 cilia ochreous-yellow, tips paler. Hind wings grey, paler and 

 thinly scaled anteriorly; cilia ochreous-grey-whitish. 



Duaringa, Queensland, in January and March; three specimens 

 (Barnard). In shape of wings this differs from the rest of the 

 genus, and approximates to Nothris. 



264. Y. zygo2:)horus, n.sp. 



(J9* 11-12 mm. Head and thorax whitish-fuscous. Palpi 

 fuscous, extreme apex of second joint whitish, tuft large, terminal 

 joint white, anterior edge dark fuscous. Antennae ochreous- 

 whitish, ringed with dark fuscous. Abdomen fuscous. Legs 

 dark fuscous ringed with whitish, basal half of middle tibiae and 

 hairs of posterior tibiae whitish. Forewings narrow, costa slightly 

 arched, apex rounded, termen rather obliquely rounded; pale 

 fuscous, mixed with whitish and sprinkled with dark fuscous, 

 wholly suffused with white towards costa; a dark fuscous dot 

 beneath costa at 4; a very elongate subtriangular deep ferru- 

 ginous patch mixed with dark fuscous along costa from \ to f, 

 cut by a fine whitish oblique mark at f ; stigmata dark fuscous. 



