﻿NEW SPECIES OF GEOMETRID^ FROM FORMOSA. 281 



When, in far generations to come, this shall happen, I am 

 sure that he will find no butterflies more suited to his ends than 

 the Papilionidse, both for their beauty and their specialization 

 in food-habit. For anyhow, as far as Europe is concerned, it is 

 only in the South, where the orange and lemon are grown for 

 commercial purposes, that any of the crops and fruits in which 

 man finds sustenance would be exposed to damage from the 

 Aristolochia and Eue-feeding branches of the family. 



NEW SPECIES OF GEOMETRIDiE FROM FORMOSA. 

 By A. E. WiLEMAN, F.B.S. 



Caherodes costipicta, sp. n. 



? . Head and thorax pale brown, darker mixed ; abdomen 

 greyish brown. Fore wings pale brown, sprinkled and flecked with 

 darker brown, costa reddish brown ; two oblique blackish streaks on 

 the costa represent antemedial and postmedial lines ; discoidal dot 

 dusky, terminal lines black; fringes blackish, becoming greyish 

 towards apex. Hind wings whitish suffused with fuscous brown 

 towards termen and on dorsal area ; discoidal dot dusky. Under 

 side whitish flecked with brown, chiefly towards margins ; all the 

 wings have a black discoidal dot, and the hind wings have an inter- 

 rupted brownish postmedial line. 



Expanse, 32 millim. 



Collection number, 1812. 



Three female specimens; one from Arizan (7300 ft.), March, 

 1908, the others from Rantaizan, May, 1909. 



Near C. paralba, Swinhoe. 



Boarmia fulvipicta, sp. n. 

 ^ . Head and thorax dark brown, front of thorax greyish 

 tinged ; abdomen pale brown mixed with black-brown, chiefly on 

 the posterior edges of segments. Fore wings grey, striated with 

 darker ; costa, red-brown, veins marked with black ; base red- 

 brown striated with dark grey ; antemedial line black, inwardly 

 oblique, wavy and bent outwards below costa; postmedial line black, 

 wavy and incurved from costa to vein 6, thence inwardly oblique to 

 just below vein 2, where it turns in to the dorsum ; the black vein 

 marks on this line are very distinct; area beyond postmedial clouded 

 with red-brown ; subterminal Hne pale, wavy, traversing the red- 

 brown clouds ; terminal hne black, interrupted ; fringes dark grey, 

 chequered with red-brown. Hind wings grey striated with darker ; 

 discoidal mark and transverse shade blackish ; postmedial line black, 

 serrated, outwardly pale edged, area beyond line clouded with red- 

 brown below middle ; subterminal line pale, interrupted ; terminal 

 line black, interrupted, fringes dark grey mixed with red-brown. 

 Under side grey-brown sufi'used with fuscous ; all the wings have 



