159 



ochveous-oraiige and brown ; hind marginal line black, distinct ; 

 cilia white, tipped with black and ochreous at extremities of 

 veins. 



One sjDecimen from Port Darwin. In appearance resembling- 

 somewhat a Hyjjochroma. 



DiASTiCTis (Selidosema) heterogyxa, n. sp. 



Male and female, 38-43 mm. Head, palpi, antennae, thorax, and 

 abdomen fuscous, abdominal segments blackish. Antennae 

 whitish-ochreous at base, pectinations seven, apical fifth filiform ; 

 face black, with a whitish-ochreous median bar. Legs ochreous- 

 whitish, irrorated with fuscous. Forew^ings elongate triangular, 

 costa almost straight, hindmargin dentate, more strongly in 

 female, rounded, oblique ; in female slaty grey, in male ochreous- 

 fuscous; a short black oblique line from one-sixth inner margin 

 obliquely outwards ; a black line from one-third inner margin 

 direct to, but interrupted before aj)ex ; in male ground-colour 

 above this line is whitish-ochreous, below fuscous mixed with 

 ferruginous and black, separation sharply defined ; a black line, 

 tending to be double at origin, on posterior edge throughout, with 

 a brown shade ; a short oblique dash on costa before apex, not 

 in male, beneath which is a small black dot ; a thick black waved 

 line from three-fourths inner margin to hindmargin below apex, 

 thicker at extremities, and more distinct in female, irregularly 

 edged posteriorly by a fine white line ; a fine black w^aved hind- 

 marginal line ; cilia grey-whitish, barred wdth fuscous at ex- 

 tremities of veins ; a whitish basal line. Hindwings Avith hind- 

 margin rounded, dentate, more strongly in female, colour and 

 markings as in forewings ; a transverse black discal dot ; in the 

 male, base and apex are sufFusedly irrorated with fuscous, at 

 extremity of suffusion is a transverse black linear discal dot ; 

 hindmaro-inal line and cilia as in forewin^-s. 



Two examples, Parkside, at street lamps in May. This species 

 is easily recognised by the well-defined longitudinal black line 

 and curious division of colour of forewings. It is near excur- 

 saria, Gn. 



DiASTiCTis (Selidosema) chioxomera, n. sp. 



Male, 41 mm. Head, palpi, thorax, and abdomen brownish- 

 ochreous ; face blackish, lower-third wdiite ; thorax with two 

 straight transverse dark-brown bands. Legs fuscous. Antennae 

 fuscous, pectinations six. Forewings triangular ; costa straight, 

 hindmargin hardly waved, obliquely bowed ; light - fuscous, 

 irrorated with ochreous and Nvliitish ; costa strisfulated with 

 fuscous ; a curved oblique blackish line from one-third costa to 

 one-sixth inner margin ; a thick blackish streak or shade, thicker 

 on low^er-half, sufi'usedly continued to hindmargin below apex 



