PLATE 3.27. DRONE LEG BASES

TOP RIGHT. Bases of the middle (mesothoracic) and hind (metathoracic) legs (the abdomen is to the left). In the foreground, proximally to distally, are the coxa, trochanter, and a small portion of the femur of the hind leg. The arrow indicates the trochanter-coxa Joint, which is further magnified in the bottom right micrograph. ( x 60)

TOP LEFT. Scale-studded intersegmental membrane (center) covering the articulation between the hind coxa and trochanter. The proximal surface of the trochanter has about two dozen short, sharp, socketed hairs that may be mechanoreceptors that contact the coxa In the course of locomotion and inform the nervous system as to leg position. (x 240)

BOTTOM. Trochanter-coxa joint (arrow in top right micropraph (x 298)