PHENOLOGY, REPRODUCTIVE BIOLOGY, AND HABITAT ASSOCIATIONS OF NICROPHORUS FAB. (COLEOPTERA, SILPHIDAE) OF THE MER BLEUE BOG AREA (OTTAWA, CANADA)

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Abstract
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.