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Figure 3


Fig. 3. (A) Escape distances normalised to total body length of wood crickets (N. sylvestris) for three different instars: juvenile I (Juv. 1), juvenile II (Juv. 2) and adults (Ad.) at three piston velocities (40 mm s–1, 150 mm s–1 and 300 mm s–1). Numbers indicate two or three crickets escaping at similar distance values. As shown on the drawing (B), the tip of the cerci lines up with the x-axis. An escape distance of zero corresponds to the tip of the cerci being touched by the piston (P). Bold arrows represent the direction of piston movement. Positive and negative values of escape distances correspond to air- and touch-evoked responses, respectively. Note that the y-axis in the touch-evoked graphs is more than an order of magnitude less than in the air-evoked graphs.





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