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      Oviposition deterrence associated with larval frass of the Japanese pine sawyer, Monochamus alternatus (Coleoptera: Cerambycidae)

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      Journal of Insect Physiology
      Elsevier BV

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          Abstract

          To determine the effect of larval frass of Monochamus alternatus on oviposition preference of the female adults, three tests were performed in the laboratory. Individual females were provided with a frass-coated, Pinus densiflora bolt and an untreated bolt simultaneously and were allowed to oviposit for 24 h. They deposited a significantly smaller number of eggs on frass-coated bolts. The females supplied with frass-coated bolts deposited no eggs on them, indicating that the larval frass deterred the females from oviposition. When individual females were provided simultaneously with a pine bolt applied with a methanol extract of larval frass and another bolt applied with methanol alone, they deposited a significantly smaller number of eggs on frass extract-applied bolts for 24 h. These results suggest the presence of a putative oviposition deterrent in larval frass of M. alternatus. Each test was replicated 19-20 times using different females.

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          Author and article information

          Journal
          Journal of Insect Physiology
          Journal of Insect Physiology
          Elsevier BV
          00221910
          April 2002
          April 2002
          : 48
          : 4
          : 459-465
          Article
          10.1016/S0022-1910(02)00067-7
          12770095
          94e06f34-7c42-45fc-8367-3db5c709cf13
          © 2002

          https://www.elsevier.com/tdm/userlicense/1.0/

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