214 LEPWOPTERA. 



(D. gnomana, CI. — Thirty years ago some evidence was 

 adduced leading to a belief that at one time this species had 

 been taken in the British Isles, and it was provisionally 

 accepted as British. But no further evidence has been 

 received, nor any spocitnen captured ; and since it is a 

 species not at all likely to have died out had it ever been 

 present, it seems now undesirable to retain it in our lists.) 



Genus 14. TERAS. 



Antennas notched ; palpi set well apart, slender, thicker 

 in the middle, pointed ; costa of the fore wings not folded, 

 but largely excavated in the middle area ; nervures of hind 

 wings not ridged beneath. 



1. T. caudana, /'rtZ*.— Expanse f to | inch (18-22 mm.). 

 Fore wings nut-brown, red-brown or yellow, and reticulated, 

 often with a very broad darker band beyond the middle ; 

 costa deeply excavated. 



Antennas brown ; palpi and head reddish-brown ; thorax 

 and abdomen dull brown. Fore wings broad, without a 

 fold, but the costal cell dilated and arched, and the middle 

 portion deeplj- excavated to near the apex of the wing, which 

 is pointed and faintly arcuate ; dull nut-brown, stippled all 

 over with transverse rows of minute black dots ; discal spot 

 brown, faintly indicated, crossed by a darker brown shade, 

 which often forms the inner edge of a broad transverse 

 brown band ; cilia brown. Hind wings smoky white with 

 •white cilia. Female similar. 



Underside of the fore wings pale leaden-brown ; hind 

 wings white. 



Variable in definite and recurrent forms ; the ground 

 colour yellow with distinct slender reticulations of fine lines, 

 and the transverse band extremely broad, almost filling the 

 hinder area, and of a deep purplish brown ; or ground colour 

 orange-red, with less distinct reticulations and a similar 



