Xyleborus undes. sp., a, antennal funicle and club. (Greatly enlarged) 
Polygraphus rufipennis Kirby, left aspect of head showing 
divided eye. (Enlarged) 
Xyleborus undes. sp., a, foretibia. (Greatly enlarged) 
Pterocyclon mali Fitch, work in oak 
Micracis opacicollis Lec., work in chestnut twig 
186 
