LEPIDOPTERA. 



179 



The Purple Hair-streak {Thecla quercus, Fig. 149), which Geoffrey 

 calls the " Porte-qtieiie 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 



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Fig. 149. — Thecla qercus. 



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

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

 rubi, Fig. 151). 



In the meadows are found the Copper Butterflies ; butterflies with 



Fig. 150. — Thecla pruni. 



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

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

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



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