LEPIDOPTERA. 



179 



The Purple Hair-streak (Thecla quercus, Fig. 149), which Geoffroy 

 calls the " Porte-queue bleu a une bande blanche" is not rare in woods ; 

 but it is very difficult to catch, as it flies nearly always by couples at 



Fig. 149. Thecla qercus. 



the tops of trees. We still further represent here the Black Hair- 

 streak (Thecla fruni, Fig. 150), and the Green Hair-streak (Thecla 

 rubi, Fig. 151). 



In the meadows are found the Copper Butterflies ; butterflies with 



Fig. 150. Thecla prunt 



wings of a bright, tawny colour, with black marks on the upper side. 

 Such is the Polyommatus (Lyccena) phlceas (Fig. 152), which is very 

 common from the end of May until late in the autumn. The upper 



M 2 



