THE MICRO-LEPIDOPTEBA 305 



hemlock water dropwort ((EnantJie crocata) during June and 

 July. 



The moth flies in August and September. 



Harpella Geoffrella 



The same extensive family contains the moth Geoffrella, repre- 

 sented in the accompanying cut. This is an exceedingly pretty 

 insect. The basal portion of its fore wings is 

 yellow, with two longitudinal dark streaks, the 

 outer one of which is bent towards the inner 

 margin near the middle of the wing. The re- 

 maining portion of the wings is brown, with two 

 yellowish triangular spots, one on the costal and FIG. 238. 

 one on the inner margin. On the middle of the GEOFFRELLA. 

 costa is a short dark streak. 



This moth appears in May and June, and is rather local, but very 

 abundant in some parts. 



Coleophora ibipennella 



The family Coleophorida contains about seventy small moths, 

 characterised by their very narrow and pointed wings, with long 



FIG. 230. IBIPENNELLA ENLARGED. 



fringes, and also, generally, by a little tuft of hair on the first joint 

 of the antennae. 



The larvae live in little cases which they construct, and feed on 

 various leaves and seeds. They spend the winter within their 

 cases, and change to the chrysalis state in spring or early summer. 



x 



