モウソウタマコバチとその寄生蜂3種の生活環
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概要
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The life cycle of A.rhopaloides, which makes a gall on the branchlets of the "Moso" bamboo, Phyllostachys pubescens, was studied in relation to those of three parasitic hymenopterous species in a bamboo forest near Kyoto City. Galls were sampled several times from the forest at fixed intervals. Species of insects in a gall and their developmental stages were determined by dissecting the galls and examining soft-X ray photography. The hostparasite relationship and the time of parasitization were examined by covering the bamboo branches with nylon-gause bags. The adult of A.rhopaloides emerges in early May and oviposits on the young buds of bamboo branchlets, which develops to a gall. Only one larva develops in a gall until September when it pupates and goes into hibernation. The adult of Diomorus aiolomorphi emerges in middle and late May and oviposits on a young gall which was developed by A.rhopaloides. The larva of D.aiolomorphi, however, does not parasitize on the larva of A.rhopaloides, but has an inquilinous life. The larva usurps a gall and feeds on its interior tissues as the larva of A.rhopaloides does. Though several numbers of eggs (x^^-=3.28) are deposited in a gall, only one individual survives and completes its larval development by August of the same year. The larva hibernates during the larval stage and pupates in April of the following year. The larva of Eupelmus sp. parasitizes on the larva of A.rhopaloides and hibernates during the larval stage. Only one adult wasp emerges from one gall in late May or early June. Homoporus japonicus is a multivoltine species. The first emergence occurs in June, and the next emergence from August to October. Some individuals seem to pass three generations in a year, but the abundance of such individuals could not be determined. Several numbers of larvae parasitize on the larva of A.rhopaloides and about 4.4 adult wasps emerge from one gall. They hibernate in the larval stage. The sex ratios (♀ : 〓) of the four species are as follows : A.rhopaloides : 3 : 1,D.aiolomorphi : 1 : 1,Eupelmus sp. : 1 or a little more : 1,H.japonicus : 2.4 : 1.
- 日本応用動物昆虫学会の論文
- 1971-03-25
著者
関連論文
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- モウソウタマコバチとその寄生蜂3種の生活環
- 集合性の違う2種のドクガ類幼虫の飼育実験
- 寄生蜂の作用による寄主密度の抑制と調節
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- 密度調節機構の異なるコナマダラメイガ実験個体群間に生じた2,3の生態的性質の変化
- 寄主の寄生令期の違いによるヒメバチNemeritis canescensの発育遅延と増殖力の低下
- コナマダラメイガ実験個体群の密度の平衡状態
- コナマダラメイガ実験個体群における密度変動の研究
- 幼虫期の米糠内での移動と生息密度コナマダラメイガの増殖能力におよぼす生息密度の影響VIII
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- 生活空間の形と幼虫個体間の相互作用 : コナマダラメイガ個体群の増殖におよぼす棲息密度の影響(VI)
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- Reproduction curveの型と個体群の特性
- 寄主と寄生蜂との相互作用系における両者の生活史の同時性
- 幼虫の発育に及ぼす食物の生物的条件付けの影響 : コナマダラメイガ個体群の増殖能力に及ぼす棲息密度の影響4
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