EXPLANATION OF PLATE F. 



KEBMES QUEBCUS. (Page 142.) 



Figs. 1, la, 1 b. Very slightly enlarged photograph 

 of old adult females in situ on oak bark. The 

 females opposite figs. 1, 1 a are quite naked ; 

 those opposite fig. 1 b, and five others in the 

 central crevice, are partly or wholly covered in 

 cereous matter. 



Fig. 2. Two male puparia ; the lower one shows 

 the exit hole of a chalcidid parasite (same magni- 

 fication as Fig. 1). 



