NORTHUMBERLAND AND DURHAM. 193 



rare in Yorkshire, barely reach the southern part of Durham. 

 The insect is far from scarce in the former county. 



2. CoLiAs, Fah. 

 1. C. Edusa, Fah. 



Papilio Edusa, Fab. M. ii. 23. — Don. Brit. Ins. \\. 11^ pi. 

 ASyJig. sujj.—Yu. 60, 2^1- 238,/ 2.— 'Huh. Pap. 429-431. 

 — Wood Ind. Ent. t. l,f. 5. Colias Edusa, Steph. Illust. 

 Haiist. i. 12. — Staint. Man. i. 16. 

 Larva. Hi'ih. Gescli. Pap. II. Gen. C. d. 1. — Dup. Icon. i. 

 pi. 4,/. 14. 

 Scarce, and only appearing at uncertain intervals in the autumn. 

 I possess a specimen taken by the late C. C. Abbs, Esq., near 

 Fulwell, in that "annus rairabilis " for Entomologists, 1826. 

 "At the mouth of Castle Eden Dene."~J/r. T. J. Bungeij.— 

 Ornsbifs Durham. Darlington, Sunderland, Shull, near Wol- 

 singham. — W. Backhouse^ Esq. Ryhope, once. — E. Backhouse^ 

 Jun., Esq. 



Sub-family 3. PIERIDT, Steph. 



8. PiERis, Schranh. 

 1. P. Brassice, Linn. 



Papilio BrassicjB, Linn. S. Nat. ii. 759. — Don. Brit. Ins. 



xiii. 29, pi. UG.^Hub. Pap). 401-403.— TFbof? Ind. 



Ent. t. l,f. 7. Pontia Brassicse, StejyJi. Illust. Haust. i. 15. 



Pieris Brassiere, Staint. Man. i. 18. 



Var. a. Pontia Chariclea, Steph. Illust. Haust. i. 17, t. 3, 



/ 1, 2.— Wood Ind. Ent. t. 1,/ 8. 



Larva. Huh. Gesch. Pap. II. Gen. C. a. h. 2. — Dup. Icon., 



i. pi. 3,f. 7. — Don. Brit. Lis: lit sup. 



This species, "the large white Butterfly" of our gardens, is 



common everywhere, the first brood appearing towards the end 



of May, and the second in July and August. The larvse are 



the pests of our gardens, and often occur in such profusion as 



entirely to devour the leaves of the cabbage tribe infested by 



them, leaving nothing but the midribs unconsumcd. They are 



very subject to the attack of a small ichneumon, Microgaster 



