PTEBOPIIORIDiE. 53 



Occurs in June and August in marshy places. 



This species differs from gonodactyla in the less 

 distinct costal triangle, the more uniform ground-colour 

 of the fore wings, and the very minute patch of black 

 in the third feather of the hind wing. 



The larva feeds in the stems of Senecio aquaticris in 

 May and July, and pupates in its burrow. 



The ground-colom' of tiie larva is watery-green, the 

 dorsal vessel showing through ; subdorsal stripe dark 

 green, bordered above with white; two white stripes 

 occur along each side ; head, anterior legs, tubercles, 

 and plates black ; the dorsal plate divided by a line of 

 the ground-colour. E. M. M. viii. 154. 



Platyptilia gonodactyla, Schiff. 

 triyonodaclyla, Haw. 

 (Plate 16. fig. 6.) 

 Loc. West and South-west of Scotland, Perthshire, 

 Sidmouth, Bishops Wood, Cawston, Walton-on-the- 

 Naze, Clacton-ou-Sca, Hastings, Brandon, Braniliam, 

 Flamborough Head, Goolc, Cheshire, Southend, Graves- 

 end, Howth, Pembroke. 



This species is found amongst coltsfoot in June and 

 August. 



The larva occurs in April and May in the flower- 

 heads of coltsfoot [Tussilagofarfara) ; the second brood 

 of larvai probably feed on the underside of the leaves in 

 June and July. 



The ground-colour of the larva is whitish ; dorsal and 

 subdorsal stripes rosy brown; head and dorsal plate 

 shining black ; a few black tubercles, each bearing a 

 black hair, are scattered over the dorsal and subdorsal 



