372 



Abdomen oclireous-fuscous. Legs fuscous, posterior pair 

 mixed with grey-whitish. Forewings elongate, oosta gentljr 

 arched, termen obliquely rounded; ashy-grey-whitish, upper 

 half of wing throughout blackish, separation rather sharply 

 defined ; antemedian line hardly traceable ; orbicular and reni- 

 form not traceable ; postmedian line perceptible from below 

 lower edge of to dorsum, with a rounded projection to sub- 

 median fold, thence oblique; subterminal line fuscous, very 

 faint, only perceptible on veins ; a row of interneural black 

 spots along termen, sometimes obsolete; cilia greyish-fuscous, 

 chequered with dark-fuscous. Hindwings with termen faintty 

 sinuate, fuscous, becoming ochreous on basal two-thirds; cilia 

 grey-whitish, with a fuscous median line. 



Closely allied to ischnodes, Turn., but apparently distinct. 



One specimen, in March; also from near Dalby, 

 Queensland. 



138. Calathusa thermosticha, n. sp. 



d" , 9 ^ 26, 30 mm. Head, palpi, antenna, and thorax 

 cinerous-grey. Abdomen greyish-ochreous, whitish beneath. 

 Legs cinerous-grey, posterior pair whitish. Forewings shaped 

 as in hemiscia; cinerous-grey; a strongly-marked black longi- 

 tudinal streak above middle of wing, from base to termen; 

 all veins neatly outlined with black; all other markings 

 obsolete, with the exception of three or four suffused black 

 interneural dots along lower half of termen; cilia cinerous- 

 grey, with black streaks at extremities of veins. Hindwings- 

 with termen slightly sinuate; greyish-ochreous in male, duU- 

 ochreous in female; both with a moderately broad fuscous 

 apical patch, continued along termen to beyond middle; cilia 

 grey-whitish in male, ochreous in female. 



Two specimens, in March and April ; also from Semaphore 

 and Pinnaroo, South Australia. 



139. Calathusa aethalistis, n. sp. 

 9 , 28 mm. Head, palpi, antenna, and thorax smoky- 

 fuscous. Abdomen dull ochreous-fuscous. Legs cinerous- 

 grey, posterior coxae ochreous tinged. Forewings shaped as 

 in hemiscia, but termen less rounded; smoky-fuscous; an 

 obscure somewhat darker median shade, anterior edge from 

 beyond one-quarter costa to one-third dorsum; posterior edge 

 from beyond middle of costa to middle of dorsum, with a 

 strongly-rounded projection in middle, on which are four or 

 five raised tufts of fuscous scales; faint indications of a few 

 fuscous spots along termen; cilia light-fuscous. Hindwings 

 with termen faintly sinuate above middle; dull-ochreous. 



