Long term insect action may produce modifications similar to that produced by wood - boring insects on dead wood (Behrensmeyer , 1978; Thorne & Kimsey , 1983), but this does not seem to be common.
Long term insect action may produce modifications similar to that produced by wood - boring insects on personnel no longer contributing (Behrensmeyer , 1978; Thorne & Kimsey , 1983), but this does not seem to be common.