84 LEPIDOl'TERA. 



21. E. helveticaria, i-V/--.— Expanse :] to | inch (18-22 

 mm.). Fore wings bright purplish umbreous, with numerous 

 faint brownish-white transverse lines ; nervures dotted with 

 black ; costa spotted with the same ; discal spot distinct, black. 

 Hind wings umbreous. 



Antennic of the male sim]ile, thickly ciliated, glossy 

 brown ; palpi rather prominent, black-brown ; head and 

 thorax umbreous, dusted with white ; abdomen reddish- 

 brown, basal segment ashy-gi-ey with a black-brown trans- 

 verse bar ; from it the dorsal ridge is ashy white, regularly 

 broken by small black tufts which are tipped with white ; anal 

 tuft compressed, ashy-brown, tipped with black-brown. Fore 

 wings somewhat trigonate ; costa nearly straight, except 

 toward the apex, where it becomes well rounded ; hind margin 

 also very smoothly curved, and dorsal margin similarly so ; 

 colour shining light purplish-umbreous thickly dusted with 

 darker purple-brown ; nervures all blackened, but this inter- 

 rupted with white at every one of the numei'ous transverse 

 lines ; basal line and the double or triple first line most 

 obscure, faintly and partially black with a slight white 

 edging, arising from black costal dots but hardly noticeable 

 elsewhere except where they cross the nervures ; beyond 

 these is a middle, triple series of rather blacker lines more 

 distinctly edged with white, and blackened at the costa, of 

 these the first embraces the discal s^jot, which is small, deep 

 ))lack and forms a crescent, the horns of which are cut off by 

 the white lines ; second line suggested bj" a double series of 

 black and white dots on nervures, becoming white streaks on 

 the dorsal margin ; beyond this line the nervures continue 

 dotted, black and white ; subterminal line white, slender but 

 rather complete, angulated, and a little thickened, above the 

 anal angle ; along the extreme hind margin is a row of thick, 

 almost lunate, black streaks, edged outwardly with dull white ; 

 cilia smoky-brown. Hind wings rounded behind, smoky 

 whitish-brown, with a whiter band in the middle, and white 

 bars across the subdorsal nervure ; central spot black ; hind 



