Fig. 161. 



Fig. 162. 



Fig. 163. 



Fig. 164. 



Fig. 165. 



Fig. 166. 



Fig. 167. 



Fig. 168. 



Fig. 169. 

 segment. 



Fig. 170. 



Fig. 171. 

 ment. 



Fig. 172. 



Fig. 173. 



Fig. 174. 



Fig. 175. 



Fig. 176. 



Fig. 177. 



Fig. 178. 



Fig. 179. 



Fig. 180. 



Fig. 181. 



Fig. 182. 



Fig. 183. 



Fig. 184. 



Fig. 185. 

 ments. 



Fig. 186. 



PLATE 9 



Amphorophora latysiphon Dvdn., cornicle. 



Amphorophora rubi (Kalt.), cauda. 



Toxoptera aurantii (Fonsc.), third antennal segment. 



Ehopalosiphum violae Pergande, wing. 



Ehopalosiphum hippophaes Koch, cornicle. 



Ehopalosiphum nervatum Gillette (from Arbutus), wing. 



Ehopalosiphum corylinum Dvdn., third antenpal segment. 



Ehopalosiphum persicae (Sulz.), third antennal segment. 



Ehopalosiphum nervatum Gillette (from Arbutus), third antennal 



Bhopalosiphum hippophaes Koch, third antennal segment. 

 Ehopalosiphum nervatum Gillette (from rose), third antennal seg- 



Siphocoryne nymphaeae (Linn.), third antennal segment. 



Ehopalosiphum rhois Monell, third antennal segment. 



Ehopalosiphum violae Pergande, third antennal segment. 



Myzus circumflexus (Buckton), third antennal segment. 



Myzus braggii Gillette, third antennal segment. 



Myzus fragaefolii Ckll., third antennal segment. 



Myzus rhamni (Fonsc.), third antennal segment. 



Myzus cerasi (Fabr.), third antennal segment. 



Myzus ribis (Linn.), third antennal segment. 



Hyalopterus arundinis (Fabr.), cornicle. 



Aphis euonomi Fabr., cornicle. 



Siphocoryne capreae (Fabr.), cornicle. 



Liosomaphis berberidis (Kalt.), conricle. 



Hyalopterus arundinis (Fabr.), third and fourth antennal seg- 



Hyalopterus arundinis (Fabr.), cauda. 



[196] 



