214 
BLACK HAIR STREAK, 
Thecla Pruni. 
PLATE XXVIII. Fig. 1. 
Pap. Pruni, Linn ■■ — Ochsenheimer, Pap. Eur., tom. i To. 
lyommatus Pruni, Godart, Lepid. de France.— Thecla 
Pruni, Curtis, Brit. Ent. vi. pi. 264. 
Expansion of the wings somewhat more than an 
inch, the surface brownish-black, the upper wings 
with a small oblong spot near the middle anteriorly, 
and the hinder pair with a series of three or four 
crescent-shaped red marks near the posterior border. 
The under side is yellowish-brown ; the primary 
wrings with a transverse silvery line towards the hin- 
der margin, beyond w'hich, and parallel with it, there 
is a series of reddish spots, each of them bounded 
by a small black streak ; the secondary wings have 
an irregular silvery line nearly across the middle, 
behind this a row' of black spots, edged with wriiite 
anteriorly, and a marginal series of black cres- 
cents. 
The caterpillar is green, with longitudinal whitish 
rays, and numerous short transverse lines. The 
head, as in all the larva of this group, is small, and 
