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首页> 外文期刊>Journal of the Entomological Society of British Columbia >Numbers and types of arthropods overwintering on common mullein, Verbascum thapsus L. (Scrophulariaceae), in a central Washington fruit-growing region
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Numbers and types of arthropods overwintering on common mullein, Verbascum thapsus L. (Scrophulariaceae), in a central Washington fruit-growing region

机译：在华盛顿中部水果种植区常见的毛蕊花（Verbascum thapsus L.（Scrophulariaceae））越冬的节肢动物的数量和类型

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摘要

Densities and types of arthropods overwintering on common mullein, Verbascum thapsus L., in a fruit-growing region of Central Washington were determined. Over 45,000 arthropods were collected from 55 plants (5 plants from each of 11 sites), dominatednumerically by Acari and Thysanoptera. Insects representing 8 orders and 29 families were identified, distributed both in the basal leaf rosettes and in the stalk material of the plants. One specialist insect herbivore of mullein, the mullein thnps, Haplothrips verbasci (Osborn), was abundant at all sites. Several pest and predatory taxa that commonly occur in orchards were also collected, suggesting that mullein may be a source of overwintered pests or predators moving into orchards in early spring. Pest taxa included primarily western flower thrips (Frankliniella occidentalis (Pergandc)), Lygus spp., and tetranychid spider mites. Common predators included phytoseiid mites and minute pirate bugs (Orius tristicolor (White)). Sites that were geographically close to one another were not more similar (in taxonomic composition of overwintering arthropods) than more distantly separated sites.
机译：确定了在华盛顿州中部一个水果种植区的普通毛蕊花（Verbascum thapsus L.）上越冬的节肢动物的密度和类型。从55种植物中收集了超过45,000个节肢动物（11个地点中的5个植物），其中以Acari和Thysanoptera占优势。确定了代表8个目和29个科的昆虫，这些昆虫既分布在基生叶丛中，又分布在植物的茎杆中。毛蕊花的一种专门昆虫食草动物，即毛蕊花尖虫，Haplothrips verbasci（Osborn），在所有地点都盛产。还收集了果园中常见的几种害虫和掠食性类群，这表明毛蕊花可能是越冬害虫或掠食者在早春移入果园的来源。害虫类群主要包括西部花蓟马（Frankliniella occidentalis（Pergandc）），吕古斯属和四叶虫蜘蛛螨。常见的天敌包括植物性螨虫和微小的海盗虫（Orius tristicolor（白色））。从地理上讲彼此接近的地点比在远处分开的地点更相似（越冬节肢动物的分类学组成）。

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