[107] 



Index. 



203 



Wheat : insects infesting — ( Continued) : 

 Siphonophora avenge. 167, 174, 189. 

 Sitotroga cerealella, 187. 



Wheat-stem maggot, 178. 



Wheel-bug, 138. 



White grub. 171, 176. 



Whitehill. J. C. Insects from, 188. 



White-marked tussock-moth, 107. 



White-winged Biblo, 167. 



Whitmore, W. B., insects from, 134. 



Williams, Charles L., Chernes from, 190. 



Williams, Charles S., insects from, 189. 



Williams, Clara, insect from. 186, 



Willow, infested by PulTinaria innumera- 



bilis, 143. 

 Wing, Leroy C. insects from, 189. 

 Woodason powder-bellows, 161. 

 Worms in rose pots, 174. 



xanthomelaena, Galeruca, 118. 

 Xyleborus infested pear-twigs, 188. 

 Xylina. Life duration of, 184. 



Z. 



z,Q^^, Spbenopborus, 178. 



