Effects of two species of cerambycid beetles, tribe Lamiini (Coleoptera: Cerambycidae), on the phoretic stage formation of two species of nematodes, genus <i>Bursaphelenchus </i>(Nematoda: Aphelenchoididae)

  • Maehara Noritoshi
    Tohoku Research Center, Forestry and Forest Products Research Institute
  • Kanzaki Natsumi
    Forest Pathology Laboratory, Forestry and Forest Products Research Institute
  • Aikawa Takuya
    Tohoku Research Center, Forestry and Forest Products Research Institute
  • Nakamura Katsunori
    Tohoku Research Center, Forestry and Forest Products Research Institute

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Other Title
  • <i>Bursaphelenchus</i>属線虫2種の便乗ステージ形成に及ぼすヒゲナガカミキリ族カミキリムシ2種の影響
  • Effects of two species of cerambycid beetles, tribe Lamiini (Coleoptera: Cerambycidae), on the phoretic stage formation of two species of nematodes, genus Bursaphelenchus (Nematoda: Aphelenchoididae)

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Abstract

We examined the effects of vector cerambycid beetles, tribe Lamiini, on the formation of the phoretic stages of Bursaphelenchus conicaudatus and B. luxuriosae, using a new, simple nematode-loading method. Fourth-stage dis persal juveniles (JIV) of B. conicaudatus and a putative “entomoparasitic adult form”(PA) of B. luxuriosae are vectored by Psacothea hilaris and Acalolepta luxuriosa, respectively. Bursaphelenchus conicaudatus JIV and B. luxuriosae PA developed in the presence of their vector beetles, and were not recorded without those beetles. We concluded that the presence of vector beetles affected the life cycle strategy of B. conicaudatus and B. luxuriosae.

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