Published online by Cambridge University Press: 31 May 2012
Relative abundance of Nicrophorus species sampled with pitfall traps varies between habitats and seasons in the Mer Bleue bog area near Ottawa, Canada. Baited pitfall trapping is useful in studying habitat associations but does not accurately sample reproductively active species. Nicrophorus sayi Laporte is a spring breeding species associated with stands of mature forest. Nicrophorus orbicollis Say and N. tomentosus Weber were taken at baited pitfall traps in all habitats. Nicrophorus defodiens Mannerheim and N. vespilloides Herbst were found primarily in forest and bog habitats, respectively, and did not reproduce outside of these habitats.
L’abondance relative des espèces de Nicrophorus capturées, au moyen de pièges à fosses varie en fonction de l’habitat et de la saison dans la région de la tourbière Mer Bleue, près d’Ottawa, Canada. L’utilisation de pièges à fosses garnis d’appâts est efficace pour établir les relations avec l’habitat, mais ne permet pas d’échantillonner avec exactitude les espèces en période de reproduction. Nicrophorus sayi Laporte est une espèce à reproduction printanière associée aux forêts de climax. Nicrophorus orbicollis Say et N. tomentosus Weber ont été capturés dans les pièges appâtés, dans tous les habitats étudiés. Nicrophorus defodiens Mannerheim a été trouvé surtout dans les milieux forestiers, alors que N. vespilloides Herbst a été récolté surtout dans les milieux de tourbière et ces espèces de ne semblent pas se reproduire hors de ces milieux. [Traduit par la Rédaction]
Present address: Forestry Canada, Forest Pest Management Institute, 1219 Queen St. E, Sault St. Marie, Ont., Canada P6A 5M7.
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