A STUDY OF THE CHROMOSOMES OF TWENTY-TWO SPECIES OF JAPANESE WEEVILS (COLEOPTERA: CURCULIONIDAE)

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  • 日本産象鼻虫22種類の染色体研究〔英文〕
  • ニホンサンゾウ ビチュウ 22シュルイ ノ センショクタイ ケンキュウ エイブン

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The chromosomes of 22 Japanese weevils were studied in the male germ line using modern squash preparations. The results are summarized in Table 1. Nineteen species have an Xyp sex-determining mechanism, but three lacked first metaphases, so that the mode of association of the X and y is uncertain.

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