Animal Systematics, Evolution and Diversity

The Korean Society of Systematic Zoology (한국동물분류학회)
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Systematic Relationships Among Ten Species of Subgenus Drosophila (Diptera: Drosophilidae) in Korea

한국 초파리아속(쌍시목: 초파리과) 10종에 대한 계통적 유연관계

  • Nam Woo Kim (Department of Herbal Biotechnology, Daegu Haany University) ;
  • Eun Young Joo (Department of Herbal Biotechnology, Daegu Haany University)
  • Published : 2003.10.01
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Abstract

This study sought to observe systematic relationships through taximetrical analyses by morphological characters among the 10 species, on three species in the virilis section (D. virilis, D. tsigana and D. lacertosa) and seven species in the quinaria section (D. angularis, D. brachvnephros, D. curvispina, D. kuntzei, D. nigromaculata, D. takadai and D. unispina) of the subgenus Drosophila. In the cluster and the cladistic analysis among the members of subgenus Drosophila, 10 species was divided into the 1st group of D. virilis, D. tsigana, and D. lacertosa and the 2nd group of D. angularis, D. brachynephros, D. curvispina, D. kuntzei, D. nigromaculata, D. takadai, and D. unispina. In cluster analysis, the 2nd group had three sister groups; one sister group that clustered D. angularis and D. brachynephros then D. unispina was clustered to them, another sister group clustered D, curvispina and D. takadai then D. kuntzei was clustered to them and the other sister group of D. nigromaculata. In the 10 species, D. virilis and D. lacertosa were the first to be divided and then D. tsigana. Although 1st group which D. virilis was belonged can be determined as more primitive than the 2nd group, it seemed that this group was not the direct ancestor of the 2nd group, rather there should be another ancestor. Among the quinaria species group, D. nigromaculata was the first to be divided and D. kuntzei was the most recent species to be divided.

한국산 초파리아속에 속하는 quinaria section 7종 (D. angularis, D. brachynephros, D. curvispina, D. kuntzei, D. nigromacula ta, D. takadai, D. unispina)과 virilis section 3종(D. virilis, D. tsigana, D. lacertosa)을 대상으로 형태적 수리분석을 실시하여 종간 계통학적 유연관계를 알아보았다. 집괴분석과 분지분석을 실시한 결과 초파리아속 10종은 D. virilis, D. tsigana, D. lacertosa의 제1군과 D. angularis, D. brachynephros, D. curvispina, D. kuntzei, D. nigromaculata, D. takadai, D. unispina 제2군으로 나눌 수 있다. 집괴분석 결과 제2군은 3개의 아군 즉, D. angularis와 n. brachynephros가 집괴된 후에 D. unispina가 집괴되는 아군과, D. curvispina와 D. takadai가 집괴된 후에 D. kuntzei가 집괴되는 아군, 그리고 D. nigromaculata 아군으로 나눌 수 있다. 그리고 D. virilis와 D. lacertosa가 가장 먼저 분지된 종이었으며, D. tsigana가 그 다음이었다. D. virilis가 속한 제1군은 제2군보다 더 먼저 파생되었다고 할 수 있으나, 제1군이 제2군의 직접적인 조상형은 아니고 다른 조상형이 있었을 것이며, 제2군에서는 D. nigromaculata가 가장 먼저 파생되었고, D. kuntzei가 가장 늦게 파생되었다고 생각된다.

Keywords

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