PLATE 8 



Fig. 139. Macrosiphum solanifolii (Ashm.) (from Citrus), cornicle. 



Fig. 140. Macrosiphum solanifolii (Ashm.) (from Citrus), third antennal 

 segment. 



Fig. 141. Macrosiphum sanborni Gillette, cornicle of apterous female. 



Fig. 142. Macrosiphum artemisiae (Fonsc.), cornicle. 



Fig. 143. Macrosiphum albifrons Essig, third antennal segment. 



Fig. 144. Macrosiphum albifrons Essig, cornicle. 



Fig. 145. Macrosiphum artemisiae (Fonsc.), third antennal segment. 



Fig. 146. Macrosiphum artemisicola (Williams), third antenal segment. 



Fig. 147. Macrosiphum artemisicola (Williams), cornicle. 



Fig. 148. Macrosiphum granarium (Kirby), cornicle. 



Fig. 149. Macrosiphum ludovicianae (Oest.), cornicle. 



Fig. 150. Macrosiphum pisi (Kalt.), third antennal segment. 



Fig. 151. Macrosiphum rosae (Linn.), third antennal segment. 



Fig. 152. Macrosiphum rosae (Linn.), cornicle. 



Fig. 153. Macrosiphum rudbeclciae (Fitch), cornicle. 



Fig. 154. Macrosiphum rudbeclciae (Fitch), third antennal segment. 



Fig. 155. Macrosiphum sanborni Gillette, cauda apterous female. 



Fig. 156. Macrosiphum dirhodum (Walker), cornicle. 



Fig. 157. Macrosiphum dirhodum (Walker), third antennal segment. 



Fig. 158. Macrosiphum stanleyi Wilson, third antennal segment. 



Fig. 159. Macrosiphum solanifolii (Ashm.) (from Souchus), third antennal 

 segment. 



Fig. 160. Macrosiphum solanifolii (Ashm.) (from Sonchus), cauda. 



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