LARENTID.-E—THERA. 351 



(ienus IS. THERA. 



Antennaj of the male slightly dentate, in some s])ecies 

 thickly ciliated ; palj^i slender : head smooth ; thorax flatly 

 tufted at the back ; abdomen slender, rather sharply ridged 

 on the back; fore wings elongated, rather narrow or almost 

 long- ovate, very narrow at the body, the apex a little pro- 

 duced, vein 5 arising above the middle of the cross-bar; hind 

 wings thin, almost devoid of markings, elongated, narrow and 

 rounded behind ; veins 7 and 8 joined so far as the end of 

 the cell, and connected therewith by a loop. 



Laiu'.g smooth, rather short, a little swollen in front; the 

 anal points distinct. Feeding upon Conifrra:. 



Pri'^ among fallen leaves on the ground. 



We have four species, not difficult to discriminate. 



A. Fore wings pale grey with a dark grey central band. 



T. Jimipcmta. 



A-. Fore wings pale purplish-brown with deeper purple- 

 brown band. T. simidatd. 



A^. Fore wings pale reddish-brown with an obscure, redder 

 band. T. firinafa. 



A'*. Fore wiugs pale umbreous, or pale brown, with a well- 

 defined black-brown, dull brown, or red-brown, 

 tapering band. T. rariata. 



1. T. firinata, //;(//. — Expanse 1 to I] inch. Fore wings 

 very pale fulvous-brown ; liasal blotch and central liand 

 deeper fulvous, the latter with an indistinct rounded external 

 expansion. Hind wings silky j-ellowish-white. 



Antennas of the male densely ciliated with abundant fine 

 bristles which closely resemble minute pectinations, but the 

 apical portion quite .simple, light brown ; palpi short and 

 ))luiit. dull lirown ; face, head, neck-ridge, and thora.x very 

 pale brown dusted with darker, tuft at the back of tlii' thora.x 



