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Fig. 2. Locust, Locusta migratoria, before (A) and after (B,C) pymetrozine
application (0.5 µg g–1 body mass). The animal in A
assumes a typical resting posture, holding the body elevated above the
substrate with all the legs, sometimes except the hind legs, touching the
ground. (B,C) Note extended femur–tibia joints, lifted legs (in the
coxal joints) and lifted tarsi after pymetrozine application. Leg and body
posture appear uncoordinated and the body is not held above the substrate but
rather rests on the floor. In C, the conspicuous levitation of both hind legs
is evident. Body length of insects is 60 mm.
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