Shu-ichi Niwa

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We investigated natural populations of three Japanese native bumblebee species to determine the status of infestation by a tracheal mite, Locustacarus buchneri, which we had earlier detected in introduced commercial colonies of the European bumblebee, Bombus terrestris. We also investigated mite infestation in commercial colonies of a Japanese native(More)
Stefan Marcel Ciocı̂lteu,* Martine Salou, Yoshimichi Kiyozumi, Shu-ichi Niwa, Fujio Mizukami and Masaaki Haneda Laboratory for Membrane Chemistry, National Institute of Advanced Industrial Science and Technology, Tohoku (AIST Tohoku), 4-2-1 Nigatake, Miyagino-ku, Sendai 983-8551, Japan. E-mail: sm-ciocilteu@aist.go.jp Laboratory of Composite Materials,(More)
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