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(Left) Pull in g needed to detach beetle from four different substrates (n = 10 beetles per substrate). The four mean values differ significantly from one another (P < 0.01 for all comparisons). (Right) Length of time that a fraction of beetles endured detachment pulls (load in g) of given magnitudes. Ten beetles each were subjected to the full range of loads, beginning with the lightest and proceeding incrementally to the heaviest.
