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- Title
Effect of Monochamus grandis (Coleoptera: Cerambycidae) on phoretic stage formation of Bursaphelenchus xylophilus (Nematoda: Aphelenchoididae) and the transfer of nematodes to the beetle.
- Authors
Maehara, Noritoshi; Kanzaki, Natsumi; Aikawa, Takuya; Nakamura, Katsunori
- Abstract
To clarify the ability of Monochamus grandis to carry Bursaphelenchus xylophilus, we transferred B. xylophilus to M. grandis and M. alternatus (the vector beetle of B. xylophilus) using a simple nematode-loading method. We examined: i) the effects of M. grandis on the formation of the fourth-stage dispersal juvenile (JIV) of B. xylophilus, the phoretic stage carried by vector beetles; and ii) whether JIV of B. xylophilus transferred to M. grandis, and compared the ability of M. grandis to carry B. xylophilus with that of M. alternatus. Monochamus grandis induced JIV formation and carried similar numbers of JIV as M. alternatus. Moreover, the percentage of JIV transferred to M. grandis to total JIV was higher than for M. alternatus. We concluded that M. grandis had potentially an equal ability to M. alternatus to carry B. xylophilus.
- Subjects
MONOCHAMUS; PINEWOOD nematode; BEETLES; CERAMBYCIDAE; NEMATODES
- Publication
Nematology, 2018, Vol 20, Issue 1, p43
- ISSN
1388-5545
- Publication type
Article
- DOI
10.1163/15685411-00003123