Open AccessJournal Article
Sampling Bees (Hymenoptera: Apiformes) for Pollinator Community Studies: Pitfalls of Pan-trapping
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Traditional net collecting at flowers and pan trapping concurrently are compared, sampling the local bee fauna of the dominant desert shrub, creosote bush growing at the Silver bell site of the International Biosphere Program (IBP) of Tucson Arizona.Abstract:
With the growing interest in pollinator conservation, a need has emerged for a simple, unbiased method to reliably sample local bee faunas One method, pan-trapping, has increased in popularity without critical evaluation of its efficacy and biases We compared traditional net collecting at flowers and pan trapping concurrently, sampling the local bee fauna of the dominant desert shrub, creosote bush (Larrea tridentata) growing at the Silver bell site of the International Biosphere Program (IBP) nw of Tucson Arizona Pan-traps on the ground yielded a faunal sample depauperate in many of the more common native bee species on creosote bush, particularly its floral specialists This pan-trap sample also corre sponded poorly with the previous four years' faunal samples at this site, with pairs of neigh boring net-sampled sites throughout the Southwest, and with all pairs of bee samples from Larrea across the Upper Sonoran desert The likely causes of this disparity and the utility of pan trapping for bees in faunal and community studies is discussedread more
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Measuring bee diversity in different european habitats and biogeographical regions
Catrin Westphal,Riccardo Bommarco,Gabriel Carré,Ellen Lamborn,Nicolas Morison,Theodora Petanidou,Simon G. Potts,Stuart P. M. Roberts,Hajnalka Szentgyörgyi,Thomas Tscheulin,Bernard E. Vaissière,Michal Woyciechowski,Jacobus C. Biesmeijer,William E. Kunin,Josef Settele,Ingolf Steffan-Dewenter +15 more
TL;DR: In this article, the authors evaluated the performance of six sampling methods (observation plots, pan traps, standardized and variable transect walks, trap nests with reed internodes or paper tubes) that are commonly used across a wide range of geographical regions in Europe and in two habitat types.
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The contribution of roadside grassland restorations to native bee conservation
TL;DR: To examine potential effects of roadside restoration, bee communities were sampled via aerial netting and pan trapping along roadside prairie restorations as well as roadsides dominated by non-native plants, suggesting that even relatively narrow verges near heavy traffic could provide valuable habitat to bees.
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Efficiency of Malaise traps and colored pan traps for collecting flower visiting insects from three forested ecosystems
TL;DR: In this article, the authors compared pan trap (blue, yellow, white, and red) and Malaise trap catches from forests in three physiographic provinces (Piedmont, Coastal Plain, and Blue Ridge) of the southeastern United States.
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Decreasing Abundance, Increasing Diversity and Changing Structure of the Wild Bee Community (Hymenoptera: Anthophila) along an Urbanization Gradient
Laura Fortel,Mickaël Henry,Laurent Guilbaud,Anne Guirao,Michael Kuhlmann,Hugues Mouret,Orianne Rollin,Bernard E. Vaissière +7 more
TL;DR: It is found that urban areas supported a diverse bee community, but sites with an intermediate level of urbanization were the most speciose ones, including greater proportion of parasitic species.
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A Comparison of Pan Trap and Intensive Net Sampling Techniques for Documenting a Bee (Hymenoptera: Apiformes) Fauna
TL;DR: Pan trapping was of limited use in detecting the creosote bush fauna because of numerous species caught by netting but not by pan traps, and the predominant flower color in the plant community did not influence the relative attractiveness of particular pan trap colors, but they did not study the effect of floral abundance per se.
References
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Book
Ecological Diversity and its Measurement
TL;DR: In this paper, the authors define definitions of diversity and apply them to the problem of measuring species diversity, choosing an index and interpreting diversity measures, and applying them to structural and structural diversity.
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Similarity indices, sample size and diversity
TL;DR: It is recommended that the Morisita index be used whenever possible to avoid the complex dealings with effects of sample size and diversity; however, when previous logarithmic transformation of the data is required, theMorisita-Horn or the Renkonen indices are recommended.
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Floral resource utilization by solitary bees (Hymenoptera: Apoidea) and exploitation of their stored foods by natural enemies.
William T. Wcislo,James H. Cane +1 more
TL;DR: The evolution of resource specialization (including parasitism) in bees presents excellent opportunities to investigate phenotypic mechanisms responsible for evolutionary change.