BUTTERFLIES 225 



Family : Papilionidce. Genus : Pierina. 



2. Black-veined White (Aporia cratagi). Easily identified by black veins 

 on wings. 



Food plant Sloe, hawthorn, plum. 



Larva Brown, with black stripes and paler hairs ; congregate in silken 

 home. 



Pupa Whitish, dotted with black ; head upright, on food stem. 



Eggs Yellow, changing to grey ; upright, with ornamented top like 

 crown. Laid in July. 



Locality Kent (chiefly). 



3. Large White (Pieris brassicce). Unmistakable; male is without the 

 two black spots on upper wing, topside. 



Food plant Cabbage, tropaeolum, mignonette. 



Larva Greenish grey, yellow lines, fine whitish hairs. 



Pupa Grey, spotted black and yellow ; often fixed to palings, walls, etc. ; 

 upright, with silken brace. 



Eggs Yellow, ribbed, and cross-lined. Laid in batches (June to August). 



There are two distinct broods spring and summer the latter being more 

 richly coloured. 



4. Small White (Pieris rap&}. Unmistakable. 

 Food plant Cabbage, mignonette, nasturtium. 



Larva Greenish, with blackish points ; yellow line on back ; yellow spots 

 on sides. 



Pupa Grey-green, with faint black speckles. 



Eggs Greenish, changing to yellow ; shaped like Brassica. 



5. Green-veined White (Pieris napi). Greenish veins. From May onwards. 

 Food plant Hedge garlic, cruciferae, nasturtium. 



Larva Green back ; grey below ; dark line on back ; yellow line on 

 sides. 



Pupa Green and brownish yellow ; upright, with silken brace. 

 Eggs Straw colour to green ; fourteen ribs. 



6. Bath White (Pieris daplidice). Rare ; like the Napi, but has green 

 mottles on under side of hind- wing (like female Orange-tip), which is very 

 transparent. 



Food plant Mignonette. 



Larva Grey-blue, black spots, yellow lines ; short black hairs. 

 Pupa Grey-blue, changing to white, black dots, yellow markings ; braced 

 to food plant. 



Eggs Said to be pinkish red ; ribbed. 



Locality Occasionally visiting South Coast (August to September). 



7. Orange-tip (Euchloe cardamines). Male has " orange tips " to fore-wings ; 

 female, blackish grey tips. Hind-wings dappled with green. 



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