Agelenids of the World

Systematics and Taxonomy of Agelenidae, a Worldwide distributed Spider Family

Species composition and numbers of spider communities occurring on different species of shrubs

Publication Type:Journal Article
Year of Publication:1994
Authors:R. W. Olszak, Luczak, J., Zajac, R. Z.
Journal:Ekologia Polska
Date Published:1994
ISBN Number:0420-9036
Keywords:[Community structure / / Seasonal changes] [Population dynamics / / ], [Cultivated land habitat / / community structure & population dynamics], [Poland / / Skierniewice]., Araneae (Arachnida)., Araneae [Food availability / / Prey seasonality, Ecology, Eurasia, Europe, Habitat, Land zones, Man made habitat, Nutrition, orchard edge shrubs], Palaearctic, region

Predatory and parasitoid arthropods occurring on seven species of shrubs surrounding an experimental apple orchard were studied between the years 1978-1987. Spiders represented from 33% to almost 58% of all arthropods collected. Upon identification 72 spider species were found, belonging in the following families: Araneidae (with Metidae), Linyhiidae, Tetragnathidae, Agelenidae, Anyphaenidae, Dictynidae, Theridiidae, Clubionidae, Thomisidae, Salticidae, Lycosidae. There were differences in spider species composition and numbers between the shrub species examined. The greatest numbers of spiders were usually found on Crataegus sp., Evonymus europaea and Caragana sp., especially during the second part of the vegetation season. Two species of spiders: Araniella cucurbitina (Cl.) and Theridion varians Hahn., occurred every year on all examined shrubs and jointly accounted for over 34% of all collected spiders.

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