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A New Method for Loading Bursaphelenchus xylophilus (Nematoda: Aphelenchoididae) on Adult Monochamus alternatus (Coleoptera: Cerambycidae)

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Abstract:

A new method was developed for loading the pinewood nematode, Bursaphelenchus xylophilus (Steiner et Buhrer) Nickle, on the beetle Monochamus alternatus Hope. Postdiapause beetle larvae were sterilized with 70 and 99.9% aqueous ethanol and placed singly in flasks where B. xylophilus reproduced on the fungus Ophiostoma minus (Hedgcock) H. et P. Sydow that had been grown on autoclaved barley grain and Pinus densiflora Sieb. et Zucc. wood chips. The fungus produced a large nematode population that developed to a high proportion of third-stage dispersal juveniles that molted to the fourth-stage dispersal juveniles. The survival rate was 80%, and the mean nematode load was 10,096. It took a mean of 5 wk to obtain the nematode-infested beetles after the initiation of nematode rearing.

Keywords: Bursaphelenchus xylophilus; Monochamus alternatus; methodology; phoresy; pine wilt disease

Document Type: Research Article

Publication date: June 1, 2004

More about this publication?
  • Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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