@misc{Otto_Stefan_The_2007, author={Otto, Stefan and Floren, Andreas}, editor={Polska Akademia Nauk. Muzeum i Instytut Zoologii}, copyright={Rights Reserved - Restricted Access}, address={Warszawa}, howpublished={online}, year={2007}, language={eng}, abstract={Spider communities of tree-canopies in primary forest sanctuaries and forest plantations of the Białowieża Forest were sampled using insecticidal knockdown fogging. The communities showed the typical guild-, family-and species-composition of European forests with a dominance of web spiders and woodland-canopy spiders (e. g. Diaea dorsata, Anyphaena accentuata, Paidiscura pallens, Keijia tincta, Theridion varians). Based on 78 fogged trees, 14522 spiders (3936 adults) were sampled and sorted to 89 species from 15 families. They comprised 21% of the known species pool of the Białowieża Forest (428 species). The importance of the canopy stratum as a habitat for spiders is emphasized. Six species are new records for the Białowieża Forest. The rarely found Dipoena nigroreticulata Simon, 1879 (Theridiidae) was the only species with a preference for a single forest type. It was recorded from canopies of old oaks in a primary forest and might be an indicator species of old forests close to their natural condition.}, type={Text}, title={The spider fauna (Araneae) of tree canopies in the Białowieża Forest}, volume={50}, number={1}, publisher={Museum and Institute of Zoology, PAS}, keywords={Theridion palmgreni, Theridiidae, cobweb weavers, Araneae, Aranei, spiders, Arachnida, arachnids, Poland, Białowieża forest, canopy, zoocenosis, geographical distribution, new species to the Polish fauna, insecticidal fogging, guild composition}, }