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Estimate of the daily catch of prey of the orb-weaving spider Argiope bruennichi (SCOPOLI) in the field : original data and minireview

Nyffeler, Martin. (2009) Estimate of the daily catch of prey of the orb-weaving spider Argiope bruennichi (SCOPOLI) in the field : original data and minireview. Contributions to natural history, No. 12. pp. 1007-1020.

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Official URL: http://edoc.unibas.ch/dok/A5257246

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Abstract

Prey capture by the large orb-weaving spider Argiope bruennichi (SCOPOLI) (Araneidae) was investigated in uncut grassland (heavily infested with flowering weeds and shrubs) in the outskirts of Zurich, Switzerland, on three consecutive days in early August (between 09:00 and 18:00 hours). A. bruennichi was found to be a predominantly diurnal predator of larger-sized grassland insects (Hymenoptera and Orthoptera composing approx. 90% of the total prey biomass). On average, 38% of the encountered spiders were feeding. It is estimated that adult female A. bruennichi captured, on average, approx. 90 mg (fresh weight) prey per web per day, which is the equivalent of the weight of a worker honey bee. My results were compared with the published estimates of other researchers.
Faculties and Departments:05 Faculty of Science > Departement Umweltwissenschaften > Integrative Biologie > Naturschutzbiologie (Baur)
UniBasel Contributors:Nyffeler, Martin
Item Type:Article
Article Subtype:Research Article
Note:Also published in: Towards a natural history of arthropods and other organisms. - Bern : Naturhistorisches Museum, 2009. - S. 1007-1020 -- Publication type according to Uni Basel Research Database: Journal article
Last Modified:22 Mar 2012 14:30
Deposited On:22 Mar 2012 14:12

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