Multivariate morphometrics of two Podisma species (Orthoptera: Acrididae) in Kunashiri Island
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概要
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We examined morphological variation in Kunashiri populations of P.sapporensis Shiraki and P.tyatiensis Bugrov using multivariate morphometrics to clarify their taxonomic status in comparison with Hokkaido populations of P.sapporensis. Although P.sapporensis in Kunashiri Island has a unique karyotypic characteristic, the neo-X and neo-Y system, cluster analysis indicated that the morphology is included in the range of variation seen in Hokkaido populations with the XO-male determination system. P.tyatiensis is characterized by having short-armed chromosomes compared with other Podisma species, but the morphology of this species did not differed much from P.sapporensis in Hokkaido, either. These results suggest that chromosomal changes do not contribute to phenotypic diversification. P.sapporensis in Kunashiri Island is probably reproductively isolated from P.tyatiensis on the same island because of conspicuous differences in the karyotype, whereas it is highly probable that P.tyatiensis in Kunashiri Island and P.sapporensis in Hokkaido constitute the same biological species.
- 日本応用動物昆虫学会の論文
- 2000-02-25
著者
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Bugrov A
Novosibirsk State Univ. Novosibirsk Rus
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立田 晴記
国立環境研・生態リスク
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Bugrov Alexander
ノボシビルスク州立大
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Tchernykh Alexei
ノボシビルスク州立大
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Bugrov Alexander
Novosibirsk State University
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Bugrov Alexander
Novosibirsk State University Novosibirsk And Institute For Systematics And Ecology Of Animals Siberi
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Bugrov Alexander
Novosibirsk State University 630090 Novosibirsk And Institute Of Systematics And Ecology Of Animals
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Bugrov Alexander
Institute Of Systematics And Ecology Of The Siberian Branch Russian Academy Of Sciences And Departme
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Bugrov Alexander
Institute Of Systematics And Ecology Of The Siberian Branch Russian Academy Of Sciences
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Tchernykh Alexei
Department Of General Biology Novosibirsk State University
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Tatsuta Haruki
Laboratory of Biometrics, Graduate School of Agricultural and Life Sciences, The University of Tokyo
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Ito Gen
Department of Ecology and Systematics, Graduate School of Agriculture, Hokkaido University
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Bugrov Alexander
Department of General Biology, Novosibirsk State University
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Akimoto Shin-ichi
Department of Ecology and Systematics, Graduate School of Agriculture, Hokkaido University
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Ito G
Hokkaido Univ. Sapporo Jpn
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Tatsuta H
Laboratory Of Biometrics Graduate School Of Agricultural And Life Sciences The University Of Tokyo
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Tatsuta H
Laboratory Of Biometrics Graduate School Of Agricultural And Life Sciences The University Of Tokyo:(
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Tatsuta Haruki
Research Centre For Environmental Risk National Institute For Environmental Studies
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Tatsuta Haruki
Systematic Entomology Faculty Of Agriculture Hokkaido University
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Tatsuta Haruki
Laboratory Of Biometrics Graduate School Of Agricultural And Life Sciences The University Of Tokyo
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Tatsuta Haruki
Systematic Entomology Faculty Of Agriculture Hokkaido University:laboratory Of Biometrics Agricultur
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Akimoto Shin-ichi
Department Of Ecology And Systematics Graduate School Of Agriculture Hokkaido University
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