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Fig. 2. Images of a jump by Graphocephala viewed from the side, captured
at 4000 frames s–1 and each with an exposure time of 0.125
ms. Selected images are arranged vertically in three columns with the timing
of a frame indicated relative to the frame designated as t=0 ms when
the insect became airborne. (A) The levation phase. The hind legs were
sequentially levated forwards and medially into their fully levated position.
The time between the lowest frame of column A and the top frame of column B
represents the holding phase, lasting 47.75 ms, during which the hind legs
remained stationary in their fully levated position. (B,C) The jump phase. 5
ms before take-off, the hind legs began to depress and the downward thrust of
the hind legs gradually raised the body. The front and middle legs lost
contact with the ground at –2.0 ms. Scale bar, 2 mm.
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