2U 



BLACK HAIR STREAK. 



Thecla Pruni. 



PLATE XXVIII. Fig. 1. 



Pap. Pruni, Linn.—Ochsenheimer^ Pap. Eur., tom. i. — Po- 



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 wing? 

 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 

 wings with a transverse silvery line towards the hin- 

 der n^argin, beyond which, 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 white 

 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 larvae of this group, is small, and 



