Longhorned and Flatheaded Borers Attacking Fire-Killed Coniferous Timber in Michigan1

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Abstract
Fire-killed coniferous timber in Michigan does not have any more attraction to wood-boring Coleoptera than timber killed by other agencies and such burned-over areas are not a menace to adjacent healthy timber. Monochamus scutellatus was responsible for nearly all observed damage to dead coniferous timber. Other spp. of wood-boring beetles were not present in sufficient numbers to be considered of much importance. A study of the biology of M. scutellatus indicated that under normal conditions in Michigan the developmental period is 1 yr. From larval counts and adult emergence records, white pine is the favorite host for wood-boring Cerambycidae and Buprestidae.

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