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The over-wintering and emergence ofBombus (Pyrobombus) impatiens (Cresson) (Hymenoptera: Apidæ) in southern Ontario

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Summary

Temperature records were kept from the time the new queens ofBombus (Pyrobombus) impatiens burrowed into the soil until they emerged the following spring. Statistical analysis is presented on the relationship of solar radiation and temperature as they affected emergence.

Résumé

Des enregistrements de température ont été effectués depuis le moment où de jeunes reines deBombus (Pyrobombus) impatiens se sont enfouies dans le sol jusqu'au moment où elles sortent de terre au printemps suivant.

Les relations entre l'émergence, la radiation solaire et la température ont fait l'objet d'une analyse statistique.

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Authors and Affiliations

  1. Department of Environmental Biology, University of Guelph, Guelph, Ontario, Canada

    T. I. Szabo & D. H. Pengelly

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  1. T. I. Szabo
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  2. D. H. Pengelly
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Szabo, T.I., Pengelly, D.H. The over-wintering and emergence ofBombus (Pyrobombus) impatiens (Cresson) (Hymenoptera: Apidæ) in southern Ontario. Ins. Soc 20, 125–132 (1973). https://doi.org/10.1007/BF02223343

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  • DOI: https://doi.org/10.1007/BF02223343

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