Total number of insects collected as a function of the number in individual traps. (a) The total number of insects collected in traps (displayed logarithmically) as a function of the number found present in the trap (range displayed 0–15) for all insects (diamonds) and for woolly bear larvae (triangles) in all territories. The lines show the expectation in terms of a Poisson distribution for all insects (solid line) and woolly bear larvae (dotted). (b) The total number of woolly bear larvae collected (displayed logarithmically) in traps at Ranger’s House, Down House and Apsley House as a function of the number found present in the trap. The dotted line shows the expectation in terms of a Poisson distribution.