of the Australian Pyralidina. 453 



Thinasotia pedionoma, n. s. 

 (? , $ , 17 — 24 mm. Head, palpi, and thorax ochveoiis ; a white 

 Hne above eyes ; forehead with a short cone ; palpi mixed with 

 dark fuscous towards apex, white internally and at base beneath ; 

 patagia mixed with white. Antennae grey, in male slender, strongly 

 dentate, apex of teeth with moderate cihations. Abdomen whitish 

 ochreous. Legs fuscous, beneath whitish. Fore wings extremely 

 elongate-triangular, narrow, costa gently arched, apex round- 

 pointed, hind margin slightly rounded, rather strongly oblique ; 

 light fuscous ; costal half suffused with oclireous towards base, and 

 with whitish between first and second lines ; first line indicated by 

 two obscure blackish parallel lines from middle of costa parallel to 

 hind margin, indented above middle, not passing submediau fold, 

 above which both are bent inwards and coalesce to form a short 

 black streak pointing towards base ; a small roundish white 

 blackish-margined dlscal spot ; second line indicated by a short 

 whitish streak from costa at five-sixths, preceded and followed by 

 a darker suffusion on costa, and giving rise to an obscure row of 

 blackish dots parallel to hind margin ; a narrow white hind 

 marginal fascia, leaving extreme hind marginal edge fuscous, and 

 a naarginal row of cloudy black dots; cilia whitish, a line and 

 terminal third fuscous. Hind wings gre3'-whitish ; cilia white, 

 with a faint grey line. 



Also a peculiar and distinct species, perhaps allied to 

 the preceding and T. longipalpella , but with narrower 

 fore wings than any other of the genus. 



Bathurst, New South Wales (2100 feet) ; Mount 

 Lofty, South Australia ; in April, locally common in 

 dry grassy places. 



Thinasotia panteucha , n. s. 



^ , 27 mm. Head and thorax whitish ochreous mixed with 

 yellowish ochreous ; forehead with a large acute conical projection. 

 Antennae dark fuscous, moderately bipectinated. Palpi ochreous 

 mixed with dark fuscous towards apex, internally and at base 

 beneath white. Abdomen and legs ochreous-whitish, anterior legs 

 suffused with fuscous. Fore wings very elongate-triangular, costa 

 moderately arched on posterior half, apex somewhat rectangular, 

 hind margin nearly straight, oblique ; rather light j^ellow-ochreous ; 

 costa and veins marked with ochreous-white streaks, posteriorly 

 obsolete, strongest on margins of cell ; a dark fuscous streak above 

 Bubmedian fold from near base to before middle, another beneath 



TRANS. ENT. SOC. LOND. 1885. PART IV. (dEC.) 2 I 



