THE GREEN HAIRSTREAK 
269 
wooded valleys, moorland, and rough uncultivated land 
abounding with bushes and rank vegetation. It is the most 
abundant of the British Hairstreaks. Its range extends 
throughout England, Wales and Scotland. In Ireland it is 
more local, being chiefly found in Dublin, Wicklow, Kerry, 
the moors and hills of Connemara, Galway and Mayo. It is 
not known in the Isle of Man, Orkney or 
the Shetland Islands. Abroad its range 
extends over the Palaearctic regions. 
Time of Appearance. The Green Hair- 
streak is single-brooded and is on the 
wing in May and June. I found it in 
fresh condition in the middle of July in 
North Cornwall, where several species 
are late in appearing owing, no doubt, to 
the late spring weather along the North 
Cornish coast. 
Hibernation. Unlike the other British 
Hairstreaks, C. rubi passes the winter in 
the pupal state. 
Egg and Egg Laying. This butterfly 
lays it eggs singly on a variety of plants, 
shrubs, etc. ; either on the flower-buds or 
on the young terminal shoots. Among 
those commonly chosen are: Broom, 
Furze — both the common and dwarf— 
Dogwood, Buckthorn, Rock-rose, Dyer’s 
Green Weed, and Mount Ida Whortle¬ 
berry ; the larvae will also readily feed 
on the flower-buds of Bramble, and on 
blossoms of the Bird’s Foot Trefoil. Also, 
like several other larvae of the 
Lycaenidae, it will greedily devour Green 
Peas and young tender Runner Beans, which they bore into. 
I have found numbers of eggs of this butterfly, in a wild state, 
on the flower-heads of Dogwood, both on small solitary bushes 
growing on chalk downs, as well as on bushes in hedge-rows. 
The egg is of a compressed globular shape, and 0*65 mm. 
in diameter; the centre of the crown (the micropyle) is 
sunken and is covered with raised reticulations (very similar 
Segment of the larva 
of the Green Hairstreak, 
just hatched (magnified) . 
