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首页> 外文期刊>Belgian Journal of Zoology >Habitat differences in the food composition of the wasplike spider Argiope bruennichi (Scop.) (Aranei : Araneidae) in Poland
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Habitat differences in the food composition of the wasplike spider Argiope bruennichi (Scop.) (Aranei : Araneidae) in Poland

机译：波兰黄蜂蜘蛛Argiope bruennichi（Scop。）（Aranei：Araneidae）的食物组成上的栖息地差异

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摘要

During the last few decades the wasp-like spider Argiope bruennichi Scopoli, 1772 expanded its wide geographical distribution in Europe. In this paper we describe and test differences in the diet composition of the wasp-like spider inhabiting a river valley (traditional habitat) and xerothermic grassland (new habitat) in Poland. From a total of 163 webs of A. bruennichi, 430 prey items were found, mainly insects : Coleoptera, Diptera, Homoptera, Heteroptera, Hymenoptera, Lepidoptera, Mecoptera, Odonata, Orthoptera and Neuroptera. Moreover, a semi digested specimen of the common frog Rana temporaria was recorded. Habitats differed significantly in the percentage distribution of eleven general food categories. Among potential influencing factors the number of caught prey was correlated only with the height of the web hub above the ground. The wasp-like spider is ecologically flexible in the use of novel food spectra and this probably allows the colonisation of new localities, as well as habitats.
机译：在过去的几十年中，类似黄蜂的蜘蛛Argiope bruennichi Scopoli（1772年）扩大了其在欧洲的地理分布。在本文中，我们描述并测试了居住在波兰河谷（传统栖息地）和干热草原（新栖息地）的黄蜂状蜘蛛的饮食组成差异。在总共163个A. bruennichi网中，发现430个猎物，主要是昆虫：鞘翅目，双翅目，同翅目，异翅目，膜翅目，鳞翅目，直翅目，翅目，直翅目和神经翅目。此外，还记录了普通蛙林蛙半消化的标本。生境在11种普通食品类别的百分比分布中存在显着差异。在潜在的影响因素中，捕获到的猎物的数量仅与网络集线器在地面上方的高度相关。像黄蜂一样的蜘蛛在使用新型食物光谱方面具有生态灵活性，这很可能使新地方和栖息地得以定殖。

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