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Figure 2


Fig. 2. Scanning electron micrographs of Ulopa to show the key structures of the hind legs for jumping. (A) The proximal joints of the middle and hind legs viewed ventrally. The hind coxae extend the width of the metathorax and are apposed at the ventral midline; the middle coxae are more widely separated. The right hind leg is in the levated position ready for jumping; the left hind leg is depressed. Anterior is to the top. (B) The femoro-tibial joint of a hind leg viewed from its lateral side showing the lack of specialisations for jumping and the absence of femoral spines. (C) The tibio-tarsal joint of a hind leg viewed ventrally to show the semi-circular array of spines.





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