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Figure 1


Fig. 1. Drawing of a ventral view of Aphrophora to show the specialisations of the hind legs (green). The left hind leg is shown with the trochanter fully levated (cocked) about the coxa so that the femur is engaged with the coxal protrusion and the femoro-tibial joint is dorsal to the left middle leg but ventral to the thorax. The right leg is shown with the trochanter partly depressed about the coxa so that the coxal protrusion is exposed. Cross sections through the right femur and tibia show the profiles at five levels. The medial surfaces of both hind coxae are closely apposed. The tibia of a hind but not a middle leg has two ventral rows of spines at its joint with the tarsus and the two proximal segments of a hind tarsus have a single row of spines at their articulation with the next segment.





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