244 REVISION OF AUSTRALIAN TORTRICINA, 



sometimes mixed or partially suffused with fuscous or dark 

 fuscous; basal patch more or less indicated by suffusion in disc 

 and often an angulated series of three or four spots representing 

 outer edge; an oblique streak from costa at 4, angulated and 

 continued above middle of disc to near termen, costal extremity 

 and posterior portion sometimes obsolete; an irregular spot 

 beneath angle of this, another above tornus, and a third towards 

 dorsum between these, varying much in development, sometimes 

 combined into a triangular blotch, sometimes partially or wholly 

 obsolete, sometimes partially connected with longitudinal streak 

 above it; five small spots on posterior half of costa, often wholly 

 obsolete; sometimes a slender irregular streak along termen : cilia 

 white, with a more or less developed interrupted dark fuscous 

 subbasal line, sometimes wholly obsolete. Hindwings light 

 fuscous, paler and whitish-tinged towards base; cilia white, some- 

 times with light fuscous subbasal line. 



S. AusT.: Wallaroo, Port Lincoln; in November, eleven speci- 

 mens. Somewhat broader-winged than T. ajihrotis; ordinary 

 forms of the two species are distinct enough, but some varieties 

 approximate. Larva cylindrical, rather light green; dorsal and 

 subdorsal narrow, dark green, conspicuous; head and second 

 segment greenish-ochreous ; feeds in spun-up shoots of Aster 

 axillaris, in October and November. 



196. T. hydractis, n.sp. 



(J. 19 mm. Head, palpi, thorax, and abdomen rather dark 

 fuscous, palpi whitish towards base beneath, apex of patagin 

 white. Antennal ciliations L Forewings elongate, rather 

 dilated posteriorly, costa gently arched, fold slight, narrow, 

 reaching f , with triangular dilation of scales at \, apex obtuse, 

 termen somewhat rounded, oblique; white; markings dark fuscous 

 suffusedly mixed with brownish-ochreous; extreme base dark 

 fuscous; two moderate fasciae representing basal patch, outer 

 angulated in middle; a transverse blotch on dorsum beyond this; 

 a moderate oblique irregular-edged fascia from ~ of costa to f of 

 dorsum; a small spot on costa and two or three irregular dots iu. 



