Infrasubspecific Forms, Habitat Segregation and Reproductive Isolation among Mnais-Damselflies (Odonata, Calopterygidae) at the Hokuriku and Hokkaido Districts, Japan, with a Historical Review on the Classification of the Species
スポンサーリンク
概要
- 論文の詳細を見る
The kinds of infrasubspecific forms of the Japanese Mnais-damselflies are reported for one natural population from Nishi-ku (Figs. 1b, 2a) in Sapporo City, Hokkaido District, and two from Yatsuo-machi (Figs. 1c, 2b) in Nei-gun of Toyama Prefecture and Yuwaku-machi (Figs. 1d, 2c) in Kanazawa City of Ishikawa Prefecture, Hokuriku District (Tables 1, 2, 3, 4). The Hokkaido population consists of three infrasubspecific forms belonging to a single "subspecies" "M. p. costalis SELYS" [♂-f. costalis (Fig. 3), ♂-f. ogumai (Fig. 4) and ♀-f. typica (Fig. 5)], whereas the two Hokuriku populations five infrasubspecific forms belonging to two "subspecies" "M. p. nawai YAMAMOTO" [♂-f. nawai (Figs. 6, 9), ♀-f. nawai (Figs. 7, 10) and ♀-f. taketoi (Figs. 8, 11)] and "M. p. pruinosa SELYS" [♂-f. strigata (Figs. 12, 15) and ♀-f. typica (Figs. 13, 14, 16, 17)]. The copulations among different infrasubspecific forms are recorded from the three localities. Mainly with marking-reobservation experiments in the field, neither habitat segregation nor reproductive isolation has been observed among the three "intrasubspecific" forms in Hokkaido (Table 5), whereas a considerable habitat segregation and a complete reproductive isolation between the two "subspecies", "M. p. nawai" and "M. p. pruinosa", are demonstrated for the two Hokuriku populations (Tables 6, 7). It seems to be more reasonable to treat at least each of the latter two "subspecies" by ASAHINA (1976) as independent or good 'species'. This assertion agrees with some previous opinions (e.g., YAMAMOTO, 1955, 1956 ; HIROSE & ROKUYAMA, 1966 ; IWASAKI, 1978). Based upon a critical historical review of studies on the Japanese Mnais-damselflies (Table 8), several problems which should be resolved in near future are presented.
- 日本昆虫学会の論文
- 1980-06-25
著者
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Suzuki Kunio
Department Of Biology College Of Liberal Arts And Education Toyama University
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UBUKATA Hidenori
Department of Science Education, Kushiro College, Hokkaido University of Education
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EGUCHI Motoaki
Department of Biology, Faculty of Science, Kanazawa University
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Eguchi Motoaki
Department Of Biology Faculty Of Science Kanazawa University
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Ubukata Hidenori
Department Of Science Education Kushiro College Hokkaido University Of Education
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