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RELATIONSHIP OF TEMPERATURE AND PREY TYPE TO DEVELOPMENTAL TIME OF THE BARK BEETLE PREDATOR THANASIMUS DUBIUS (COLEOPTERA: CLERIDAE)1
Published online by Cambridge University Press: 31 May 2012
Abstract
Effects of three temperatures and three prey types on the developmental time (egg to adult) of Thanasimus dubius (F.) from two different geographic areas were investigated in the laboratory. The developmental time decreased with increasing temperature. Larval T. dubius exhibited longer developmental times with small prey larvae as compared with larger prey. However, the prepupal and pupal period was shorter for T. dubius fed small prey. Prey type did not affect the overall developmental time. Significant difference in developmental time was observed between the two groups. Elytral lengths of adult T. dubius were indicative of rearing temperatures and prey type consumed by the immature predator.
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