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Pomona College Journal of Entomology 



tip dark, length 0.;)2 mm. Legs — Bright yellowish-green throughout; tarsi (Figure 

 175 C) dark. Style — (Figure \15 D, E, F), conical and slightly sickle-shaped, 

 light green ; anal plate, dusky. 



Male — "Walker describes male as small, with a red or yellow abdomen, and 

 having black antennae, eyes, and head." Buckton, Brit. Aphid. II, 29. 



. "'MM- 



S. O. ESSIS. 



Figure 175. Hyadaohis pastinacae 



A, cornicle; B, antenna; C, tip of tibia and the tarsus; D, dorsal view of py- 

 gidium; E, lateral view of pygidium; F, ventral view of pygidiuni. 



