Australian Lepldoptera. 263 



9G. Hydriomkxa plagiocausta, n. sp. 



(?, 30 ni.m. Head, palpi, antennae, thorax, and abdomen 

 ochreous-brown. Palpi porrected, 2J-. Antennal ciliations ^• 

 Legs ochreous-fuscous ; posterior pair paler. Fore wings 

 triangular : ternien waved, bowed, oblique ; pale brownish, 

 somewhat ochreous tinged ; with numerous fine waved transverse 

 fuscous lines ; a short bhickish transverse mark from inner 

 iiiargiu near base ; a conspicuous blackish str(?ak from inner 

 margin at i very obliquely outwards, terminating abruptly in 

 disc at iy, beneath middle of costa ; a fine blackisli line from its 

 extremity to mid-costa ; posterioi- line thickened with Ijlackish 

 scales in second i, and immediately followed for that extent by 

 a whitish line ; a little posterior to this is a blackish line which 

 extends obliquely inwards from immediately below apex ; a 

 fine blackish terminal line ; cilia pale brownish mixed with 

 fuscous. Hind wings with termen crenulate, I'ounded ; pale 

 brownish, towards inner margin with fine transverse fuscous 

 lines, scarcely waved ; terminal line and cilia as fore wings. A 

 dull coloured species, easy recognisable by the oblique line on 

 fore wings from inner margin. 



T., New Norfolk, near Hobart, two specimens; S.A., Adelaide 

 (Lower). 



97. Hydriomena severata. 



Camptogramnia severata, Gn. Lep. x., p. 428. 



Phibalapteryx perfectata, Wlk. Brit. Mus. Cat., xxv., 

 p. 1341. 



Scotosia scitiferata, Wlk. Brit. Mus. Cat., xxv., p. 1357. 



Cidaria promptata, Wlk. Brit. Mus. Cat., xxv., p. 1410. 



Hydriomena severata, Meyr. P.L.S. N.S.W., 1890, p. 854. 



This species has occasionally slight indications of abdominal 

 crests, but the.se are frequently entirely absent, and are not 

 sufficient to remove it to the genus Eucymatoge. 



Q., Stradbrooke Island; N.S.W., Sydney, Bathurst ; Y ., 

 Melbourne, Gisborne, Sale; T., Campbelltown, Hobart; S.A., 

 Mt. Lofty ; W.A., Albany. 



