Genetic structure of the oak wilt vector beetle Platypus quercivorus: inferences toward the process of damaged area expansion |
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| Authors: | Etsuko Shoda-Kagaya Shoichi Saito Mitsuhiro Okada Ai Nozaki Kouichi Nunokawa Yoshiaki Tsuda |
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| Institution: | (1) Forestry and Forest Products Research Institute, Tsukuba, Japan;(2) Yamagata Prefectural Forest Research and Instruction Center, Sagae, Japan;(3) Nagano Prefecture Forestry Research Center, Shiojiri, Japan;(4) Kyoto Prefecture, Kameoka, Japan;(5) Niigata Prefectural Forest Research Institute, Murakami, Japan;(6) Department of Evolutionary Functional Genomics, Evolutionary Biology Centre, Uppsala University, Uppsala, Sweden |
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| Abstract: | Background The ambrosia beetle, Platypus quercivorus, is the vector of oak wilt, one of the most serious forest diseases in Japan. Population genetics approaches have made great
progress toward studying the population dynamics of pests, especially for estimating dispersal. Knowledge of the genetic structuring
of the beetle populations should reveal their population history. Using five highly polymorphic microsatellite loci, 605 individuals
from 14 sampling sites were assessed to infer the ongoing gene flow among populations as well as the processes of expansion
of damaged areas. |
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