66 pterophoridjE. 



This species is not unlike osteodactylus, but is much 

 smaller, and has always one, sometimes two, black spots 

 on the eosta. 



leioptilus brachydactylus, TV. 



atodactyltts, Dup. 



(Plate 18. fig. 2.) 



Loc. Glen Tilt (Perthshire), Norfolk, Westmoreland, 

 Folkestone, Deal. 



This extremely rare species has been taken in July. 



The larva feeds on the undersides of the leaves of 

 Prenanthes purpurea, also on Lactuca muralis, in May 

 and June. 



The ground-colour of the larva is pale dirty green ; 

 dorsal stripe darker, on each side of which is a row of 

 tubercles bearing dark bristles, followed by another row 

 bearing one dark bristle and a few small white hairs ; a 

 third row occurs lower down, crowned with white 

 bristles. Frey. 



Aciptilia galactodactyla, Hb. 

 (Plate 18. fig. 3.) 

 Loc. Devon, Norwich, Spirham, Colchester, Ipswich, 

 St. Osyth, Hastings, Folkestone, Chattenden, Wicklow. 



This species occurs amongst burdock, ^bout the 

 borders of woods, in July. 



The larvae feed in a company on the undersides of 

 the leaves of burdock {Arctium lappa) . 



The ground-colour of the larva is pale green, seg- 

 mental divisions paler; the broad dorsal stripe is 

 whitish, bisected by a fine line of the ground-colour; 



