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Effect of shading on trap nest utilization by hole-nesting aculeate Hymenoptera

Published online by Cambridge University Press:  02 April 2012

Hisatomo Taki
Affiliation:
University of Guelph, Department of Environmental Biology, Guelph, Ontario, Canada N1G 2W1
Jeffrey W. Boone
Affiliation:
University of Guelph, Department of Environmental Biology, Guelph, Ontario, Canada N1G 2W1
Blandina F. Viana
Affiliation:
Universidade Federal da Bahia, Instituto de Biologia Rua Barao de Geemoabo s/n Ondina, Salvador, Bahia, Brazil 4170–110
Fabiana O. Silva
Affiliation:
Universidade Federal da Bahia, Instituto de Biologia Rua Barao de Geemoabo s/n Ondina, Salvador, Bahia, Brazil 4170–110
Peter G. Kevan*
Affiliation:
University of Guelph, Department of Environmental Biology, Guelph, Ontario, Canada N1G 2W1
Cory S. Sheffield
Affiliation:
Atlantic Food and Horticulture Research Centre, Agriculture and Agri-Food Canada, Kentville, Nova Scotia, Canada B4N 1J5
*
2Corresponding author (e-mail: pkevan@uoguelph.ca).

Extract

For many years, trap nests have been used to study hole-nesting bees and wasps (aculeate Hymenoptera) and to monitor their diversity and abundance (Krombein 1967; Danks 1971; Godfrey and Hilton 1983; Frankie et al. 1998). Trap nests are valuable for environmental assessment (Tscharntke et al. 1998) and for agriculture through improved pollination by bees (Bosch 1994; Stubbs et al. 1997; Hallett 2001) and biological control by wasps (Harris 1994). Frankie et al. (1988) indicated that shaded environments might be preferred habitats for some solitary bees that use tree holes for nesting. Shading could offer protection from natural enemies as well as wind, rain, and sunlight, resulting in stabilized humidity and temperature. As far as we are aware, ours is the first experimental study to consider the effect of shading of trap nests.

Type
Articles
Copyright
Copyright © Entomological Society of Canada 2004

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