314 LEPIDOPTERA. 



Abroad it is found throughout Central and Northern Europe, 

 including Lapland, and also in the South of France. 



23. E. erigerana. ir/.s//(.,*anthemidana, Wilk.,Stn. 

 — Expanse \ inch (12 mm.). Head and thorax white; fore 

 wings white, dusted with olive-brown ; central band olive- 

 brown or reddish-brown. 



Antenna pale brown ; palpi, head, and thorax white ; 

 abdomen greyish-white. Fore wings narrow ; costa straight, 

 apex rounded, hind margin oblique ; white, dusted at the 

 base, along the costa, and beyond the middle with dull olive- 

 brown ; central band olive-brown or reddish-oiive, rather 

 narrow, extending by means of a dark shade to the costa ; 

 apical region dusted with olive-brown; cilia white, with olive- 

 brown dusting. Hind wings and their cilia smoky white. 

 Female similar. 



Underside of the fore wings pale leaden-brown ; of the 

 hind wings leaden-white. 



On the wing in ^lay and June, and in a second generation 

 in July and August. 



Larva small, ivory white, with a brown head. 



June and the beginning of July and a second generation 

 in August and September, in the flower and seed-heads and 

 the second brood in the central shoot oi Uriyeronacris, eating 

 out all llie immature seeds from a seed-head and drawing 

 together some of the florets above, or in the shoot stunting 

 its growth ; the earlier generation assuming the pupa state 

 in this habitation. Scarcely any external trace is shown 

 while the larva is feeding. Also now found on the recently 

 introduced Erigeron canadensis. 



Pita glossy pale brown, very delicate; abdomen frosted 

 on the anterior portion of each segment with faint rough- 

 ness ; cremaster very buntly rounded, furnished with hooked 



* Changed to salulicola. Wlsm. (Ent. IVIo. Mag. 1110(1, p. 1'.I4).— R. S. 



