( 157 ) 



underside being pale ochreons in the J ami dark grey iu the ?, with the shades 

 in each case deeper. 



The abdomen of the c? is less strongly fulvous-marked. 



2 <?<?, 1 ?. 



Otucha gen. nov. 



i. Forewing: costa shouldered at base and rough-haired, then straight; apex 

 blunt ; outer margin curved. 



Hindwing : with smoothly rounded outer margin ; apical angle rounded ; anal 

 square. 



Antennae lamellate, simple ; palpi porrect, rough-scaled, the terminal segment 

 small ; tongue and frenulum present ; hindtibia with four spurs ; abdomen with a pair 

 of long lateral pencils of hair from third segment, reaching base of anal segment. 



Nenration : as in Tephroclystia in forewing, but in the hindwing the 

 discocellular is faintly biangulate, the radial rising from the lower angulation ; 

 veins G, 7 are scarcely stalked. 



Type : Otucha adminiculata spec. nov. 



150. Otucha adminiculata spec. nov. 



Forewing : wood-brown with a red tinge and some green scales intermixed ; 

 the cross-lines rather darker ; basal patch and inner margin as far as outer line 

 velvety black-brown; basal patch followed by a broad paler band traversed by two 

 fine lines ; inner edge of central fascia before one-third, oblique from costa and 

 bent in cell to about middle of inner margin, followed by an oblique brown linear 

 cell-spot ; outer edge of fascia blackish from two-thirds of costa, oblique outwards, 

 indented below subcostal vein and widely outcurved, running inwards to 2, then 

 vertical, below the middle marked only by black dashes on the veins ; it is 

 preceded from costa by three cloudy oblique brown lines, which below middle 

 become waved and compressed ; beyond it a narrow band with dark centre, green 

 above middle, reddish and obscure below ; submargiual line shown by a row of 

 white dots ; marginal area dark brown, except between 3 and 4, where the paler 

 ground-colour runs through to the fringe ; marginal line fine, interrupted at the 

 veins ; fringe pale reddish, mottled with dark. 



Hi nil icing : pale grey with a rufous flush, and the fringe rufous ; traces of two 

 dark grey curved lines before outer margin. 



Underside dull rufous ochreous, with all the lines thick and dark grey ; 

 cell-spots black. 



Head, thorax, aud abdomen reddish brown ; patagia, metathoracic tufts and a 

 dorsal ridge of scales dull green ; abdomen redder, with the lateral pencils dark 

 brown. 



Expause of wings : 24 mm. 



1 i. 



151. Prosthetopteryx ? fulgurans spec. nov. 



Forewing : pale green, with the shading purplish violet ; the subcostal vein 

 green to outer line ; the edge of basal patch, the centre of the pale green band 

 following, and the limiting bauds of central fascia purplish, all plainer on costa, 

 where the green lines are plainer, and inner margin which they reach vertically at 

 regular intervals ; the outer edge of the fascia runs obliquely outward to below 



