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  1. 50 農学生命科学部・農学生命科学研究科
  2. 50a 学術雑誌論文等
  3. 1.学術雑誌論文

Geographical variation of life cycle in crickets (Ensifera: Grylloidea)

http://hdl.handle.net/10129/489
http://hdl.handle.net/10129/489
dace3e88-f58e-46f6-8952-12b704cc1b62
名前 / ファイル ライセンス アクション
eje_093_3_281_Masaki.pdf eje_093_3_281_Masaki.pdf (1.9 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2008-05-14
タイトル
タイトル Geographical variation of life cycle in crickets (Ensifera: Grylloidea)
言語
言語 eng
キーワード
主題Scheme Other
主題 Grylloidea
キーワード
主題Scheme Other
主題 crickets
キーワード
主題Scheme Other
主題 life cycle
キーワード
主題Scheme Other
主題 geographical variation
キーワード
主題Scheme Other
主題 diapause
キーワード
主題Scheme Other
主題 photoperiodism
キーワード
主題Scheme Other
主題 wing form
キーワード
主題Scheme Other
主題 selection
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ journal article
著者 Masaki, Shinzo

× Masaki, Shinzo

Masaki, Shinzo

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著者(ヨミ)
識別子Scheme WEKO
識別子 16624
姓名 マサキ, シンゾウ
著者別名
識別子Scheme WEKO
識別子 16625
姓名 正木, 進三
著者所属
値 Laboratory of Entomology, Faculty of Agriculture, Hirosaki University
抄録
内容記述タイプ Abstract
内容記述 Crickets are convenient systems for studying life-cycle evolution. They show a considerable diversity in life-cycle types, being homodynamic in some parts of the tropics and heterodynamic with various kinds of diapause and other regulatory responses in the temperate region. Crickets are relatively free from constraints by food supply, because they are omnivorous. Therefore, their geographical variation may clearly reflect climatic selection as exemplified by latitudinal dines in adult size, egg size and ovipositor length. These morphometric dines are closely related to development time, egg diapause and photoperiodic responses, indicating that crickets are highly variable within the framework of their species-specific patterns of life cycle. More fundamental variation is divergence in life-cycle pattern that may be associated with speciation, because closely related species are often different in their life-cycle patterns (e.g., homodynamic versus heterodynamic, or egg overwintering versus larval overwintering). Evolutionary flexibility of life-cycle traits may be assessed by studying cricket populations under special natural or artificial conditions. In Japan, a population of the nemobiine cricket (Dianemobius mikado) introduced from a temperate to a subtropical island has almost lost egg diapause presumably in the last 130 years. At volcanic geothermal spots in the northern island (Hokkaido), presumptive relict populations of the nemobiine species Dianemobius nigrofasciatus occur and sing in mid-winter, but this cricket retains the photoperiodic response of a southern bivoltine type. In the subtropical nemobiine D. fascipes, artificial selection has been effective in changing the incidence and depth of diapause, and strains comparable to the tropical and temperate forms were established. The responsiveness to photoperiod in wing-form determination was also remarkably changed by selection, but this change was not associated with a change in critical photoperiod. Alternated selection in the opposite directions at photoperiods above and below the critical value to be selected was necessary to shift the critical photoperiod.
引用
内容記述タイプ Other
内容記述 European Journal of Entomology. 93, 1996, p.281-302
書誌情報 European Journal of Entomology

巻 93, 号 3, p. 281-302, 発行日 1996-09-30
ISSN
収録物識別子タイプ ISSN
収録物識別子 1210-5759
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA10916284
権利
権利情報 Copyright 1996 Institute of Entomology
フォーマット
内容記述タイプ Other
内容記述 application/pdf
著者版フラグ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
日本十進分類法
主題Scheme NDC
主題 486.4
NIIサブジェクト
主題Scheme Other
主題 生物学
出版者
出版者 Institute of Entomology
資源タイプ
値 Article
異版である
関連タイプ isVersionOf
識別子タイプ URI
関連識別子 http://www.eje.cz/scripts/viewabstract.php?abstract=653
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