Plate 13 



158-163. Amphorophora sensoriata Mason. 

 (Drawings by the author.) 

 158. Cornicle and cauda of apterous form. 159. Cornicle and cauda 

 of alate. 160. Head of alate form. 161. Head of apterous 

 form. 162. Antenna of apterous form. 163. Antenna of alate 

 form. 

 164—168. Amphorophora spiraecola (Patch). 

 (Drawings by the author.) 

 164. Antenna of alate form. 165. Head of apterous form. 166. An- 

 tenna of apterous form. 167. Cornicle of alate form. 168. Cor- 

 nicle and Cauda of apterous form. 

 86 



