r 



G2 PTEROPIIORIDVE. 



(Edematophorus lithodactylus, Tr. 



septudaclyla, Tr. 



(Plate 17. fig. 8.) 



Loc. Flamborough Head, Redcar, Scarborough, Hun- 

 stanton, Colchester, Hastings, Suttblk, Graveseud, 

 Southend, Deal, Pembroke, Gahvay. 



Occurs in July and August ; it is rather sluggish by 

 day. 



This species can at once be distinguished from mono- 

 dactylus by the costal spur. 



The larva feeds in June on the leaves of Inula dysen- 

 terica (fleabauc) and Conyza squamosa. 



The ground-colour of the larva is yellowish green; 

 head pale brown ; mandibles and freckles reddish brown, 

 and a black spot on each check ; dorsal strij)e pinkish, 

 approaching violet towards the edges and bordered with 

 whitish, divided by a yellow line; tubercles pinkish, 

 bearing pale hairs ; legs semitransparent greenish. 



Ent. XV. 104. 



Pterophorus monodactylus, L. 



2)teroductyla, llh., Haw., 1). L. 



(Plate 17. fig. 9.) 



Loc. Doncaster, Huddersfield, Marsdcn Moor, Kent, 

 Pembroke. 



Generally distributed in July, and from September to 

 April; often found at rest on palings. 



The larva is found from June to September on 

 various specie of Convolvulus, feeding on both leaves 



