^4 nil, i.Ki'iDOi'TKRA OF essf:x. 



Common throughout the county, but more so where its normal 

 food-plant (buckthorn) grows. The bright male is especially notice- 

 able, and welcome in early spring, generally the first species seen. 

 1 )r. Maclean found eggs deposited on the buds and terminal shoots 

 of Rhavmus frangula, in the woods near Colchester, end of Ai)ril, 

 nSsf) (/. Curtis : Proc. E.S.L. May ^th, 1856). 



Argynnis selene, Schiff. Small Pearl-bordered Fritillary. 



Geographical Distrihulum — Hurope, except extreme south ; Asia, north and 

 west. Absent from Ireland. 



Larva — Smoky pink, dark-brown line and double row of black and orange spots 

 on back, pale pinkish-red stripe at sides ; short ochreous spines, anterior pair 

 reminding one of snail's horns. Food — Dog violet. Imago — June [? .August] ; 

 hibernate?; as larva. 



In open places in woods. Common in Epping Forest and in 

 many other restricted localities throughout the county. 



Argynnis euphrosyne, L. Pearl-bordered Fritillary. 



Geographical Distri/niiion — Kiirope, North and West Asia. Absent from 

 Ireland. 



Larva — Black, greyish-white stripe on sides ; spines short, on back yellow with 

 black tips, rest black. Food — Dog violet. Mr. Harwood found one on j>rimrose. 

 Imago — May and June [? August] ; hibernates as larva. 



Common in open places in woods, more so than the last species 

 {A. selene) and earlier in appearance ; generally distributed. Abounds 

 in Epping Forest and in most large woods in the county. Interest- 

 ing aberrations both of this and the last species sometimes occur. 



Argynnis latona, E. Queen of Spain Fritillary. 



Geographical ZJM/r?(5a//o«— Throughout paloearctic region, except extreme 

 north. Confined to south and east in England and Ireland, always uncertain and 

 rare. 



Larva — Blackish-gre}-, whitish stripe on back, brownish-fellow lines on sides ; 

 sjjines short, brick-red. Food — Heartsease, violet, sainfoin, and alkanet. Imago 

 — May to October, mostly in the autumn in Britain ; hibernates as larva. 



Very rare and uncertain. Probably an immigrant from the Con- 

 tinent. Six liritish specimens only known previous to 181 8, com- 

 mon in that year, according to Haworth ; August and September, 

 18 iS, near Colchester (67<'///d';/i- ; J.B.E. Hatist). Colchester (O/r- 

 tis : HE. : S.Af. i. 43). Five, Colchester, 1857 l^Harwood ; E.U'.I. 



