CONOPTERID/E. 239 



lashes small ; on the head is a conical tuft ; thorax with the 

 collar peaked, but without crests ; abdomen rather flattened, 

 smooth, but with two minute dorsal crests. Fore wings 

 broad behind and the hind margin produced into projecting 

 points ; hind wings broad, vein 3 crossing vein 4 to unite 

 on the cross-bar with vein 5. 

 We have but one species. 



1. G. libatrix, L. — Expanse If to If inch. Thorax 

 peaked, brick-red ; fore wings broad, many-pointed behind, 

 pale purple-grey blotched with orange-red, and slenderly 

 barred with white. Hiud wings smoky-brown. 



Antennae of the male pectinated with short oblique solid 

 teeth, minutely ciliated, pale brown, darker at the base ; palpi 

 rather small, narrowly tufted, porrected, purplish-brown ; eyes 

 black, but having a superficial coating of rusty-red; head 

 tufted with a prominent ridge, narrow at its apex, pale 

 purplish-brown, with the back rust-red ; around the base of 

 each antenna is a ring of thick erect pure white scales ; 

 collar large, upraised and peaked, even pushed forward in 

 the middle, orange-red, edged below and at the back with 

 pale purple-brown; shoulder-lappets orange-red shading off 

 to pale purple-brown at the back and below ; remainder of 

 the thorax of the same purplish-brown shade, the back scales 

 drawn together into a divided tuft, fascicles pale purplish- 

 drab ; abdomen broad, smooth, flattened a little, pale rusty- 

 brown, toward the base more tinged with purple ; on the 

 dorsal ridge of the basal segments are two very small 

 oblique tufts or crests, brownish-drab ; lateral tufts spreading 

 and conspicuous; anal tuft flatly compressed. Fore wings 

 broad, especially so behind, costa faintly arched at the base, 

 thence straight to near the apex, which is very sharply 

 pointed ; hind margin below it deeply concave, but in the 

 middle filled out to a squared point which extends farther 

 than the apex ; below this are three more angles divided 

 by deep hollows, the third being the anal angle ; dorsal 



