Fig. 7. Scanning electron micrographs of the proximal hind leg joints of Philaenus viewed ventrally. (A) The trochanter of the left hind leg is almost fully levated about the coxa and the right trochanter is fully depressed. The large white arrows indicate the pivot points of the proximal leg joints and the black arrows three prominent arrays of proprioceptive hairs. (B) Hair row on the right trochantin; midline is to the right. (C) The right coxo-trochantinal hair plate. (D) The right trochanteral hair plate.