( 539 ) 



T. Peridroma fasciata sp. nov. 



d ?. Uppcfside : forewings dark wood brown, crossed by two blackish zigzag 

 lines, one situated at the base of the cell, the other outside the reniform mark ; the 

 latter, as well as the orbicular spot, obvious ; a very indistinct blackish band runs 

 rom the inner margin close to the end of the external zigzag line across the 

 reniform mark to the costa ; the mai'ginal fringe of hairs of tlie colour of the wingi 

 Imt witli the extreme base of the hairs yellowish. 



Hindwiugs greyish cream buff, crossed beyond the middle by a slightly waved, 

 narrow, blackish band. 



Underside : forewings greyish buff at the base, darker grey towards the outer 

 margin, with a hair brown transverse streak in the apical half. 



Hindwings pale buff', with a hair brown band corresponding to that of the forewiug. 



Head and collar almost russet ; thorax grey wood brown ; abdomen cinnamon. 



Expanse : I'So inch = 47 mm. 



Ilab. Mi<lway I. 



Closely allied to P. crinigera Butler, from which it chiefly differs in the hind- 

 wings being pale butf and crossed by a hair lirown band. 



8. Peridroma evanescens sp. nov. 



d ? . Vppersidc : forewings dark wood brown, with a brownish black reniform 

 mark, which is indistinct in some examples ; between this mark and the outer margin 

 is a faint zigzag line; another line is sometimes visible in the basal half; orbicular 

 spot obvious or wanting ; outer margin darker lirown between the nervules. 



Hindwings pale gre3'ish baff, slightly darker near the outer margin and on the 

 veins ; outer border narrowly margined with dark brown in the ? , of a buff colour 

 in the 6 . 



Underside : both wings uniformly greyish buff, hindwings a little paler than the 

 forewings. 



Head and collar cinnamon ; thorax greyish wood brown ; abdomen varying from 

 pale buff' to jiale clay colour. 



Expanse : c?, 1"4 inch = 30 mm. 

 „ ?, 1-85 „ = 47 mm. 



Hal^. Laysau I. 



This form is also similar to P. crinigera Butler, but the hindwings are mucli 

 paler, the markings of the forewings are faint, and in most examples hardly 

 visible. 



y. Prodenia laysanensis sp. nov. 



cJ ? . Uppersidf : forewings cream buft', jiarti-coloured with blackish brown 

 and grey, usually darker in the female than in the male, with one transverse whitish 

 streak on the extreme base, then with an irregular row of three more or less arched 

 whitish marks, one situated at the costal margin, one at the inner margin, and the 

 third midway between them, but a little nearer the base ; middle of the wing bears 

 an irregular blackish longitudinal patch, bordered towards the costa with a black 

 hair-like line, which is deeply incurved near the apex of the cell ; that patch some- 

 times extends to the base ; outside the patch is one transverse blackish brown zigzag 

 line, exteriorly bordered with greyish white, and a submarginal, scarcely waved, 

 and at the apex of the costal slightly incurved line of a whitish luiff colour, the sj)ace 

 between these two lines darker than the outer margin. 



Plindwings pale wood brown, with the fringe of the outer margin whitish buft'. 



36 



