THECLA QUERCUS. 



173 



the segments. The back is grooved, the sides are 

 dilated, and the whole body is covered with tiny hairs. 

 The colour is brown, the dorsal surface being lighter 

 and having a central dark line edged with yellow. The 

 seven central segments have a light streak with dark 

 edging below. The dilatation below the dark brown 

 spiracles is yellowish. 



191 



THECLA QUERCUS. 



The stout, rounded, reddish-brown pupa is normally 

 suspended from an oak-leaf by the anal extremity, and 

 girt ; but it is sometimes found beneath the surface of 

 the ground. The dorsal surface is darker than the rest, 

 and freckled with still darker brown, and the dark marks 

 on the sides of the larva are reproduced in the pupa, 

 which is covered with very tiny hairs. 



The perfect insect (Figs. 192 and 193) has the costal 



