Scolytid structures 



T Xyloterus sp. antenna, x iio 



2 Xyloterus 1 i n e a t u s Kirby, rig'ht antenna, x i lo 



3 Xyloterus sp., inner aspect of flattened segments of proventriculus. 



X 1 lO 



4 Xyloterus politus Say,' antenna, x iio 



5 Xyloterus politus Say, inner aspect of flattened segments of 



proventriculus. x i lo 



