52 PTEROPHORIDjiE. 



Lundy Island, Homing, Wallasey, Tranmcre, Pud- 

 dington, Colchester, Darlington, Howth. 



Occurs amongst rank herbage in June and July. 

 The larva feeds in the stems of the tansy [Tanacetum 

 vulffo-e), and pupates suspended by the tail from a leaf 

 of its food-plant. 



The ground-colour of the larva is green ; dorsal stripe 

 whitish, traversed by a dark green line ; head shining 

 yellowish green ; ocelli black ; mouth brown ; plates on 

 the second and anal segments yellowish green ; sub- 

 dorsal and spiracular lines whitish, interrupted at the 

 segmental divisions; tubercles black, each bearing a 

 white hair ; spiracles dark brown ; legs semitrans parent, 

 tipped with brown. Ent. xv. 146. 



E. M. M. xii. 233. 



Var. Bertrami, Rossi, [ochrodactylus, Tgstr.), (Plate 

 IG. fig. 3), is a smaller and paler form, with the tips of 

 the fore wings less produced. 



Loc. Hendon, Mill Hill, Ventnor, Eolkestone, 

 Brandon, Norwich, Thetford, Cawston, Colchester, 

 Hastings. 



The larva resembles the type, but feeds on yarrow 

 {Achillea millefolium and Achillea ptarmica) . 



Platyptilia isodactylus, Zell. 

 monodactyla, Haw, 

 (Plate IG. fig. 5.) 

 Loc. Teignmouth, Exmouth, Norwich, Pembroke, 

 Killarney, Cullunamore. 



