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Biology of the mountain Pine beetle, Dendroctonus monticolae Hopkins, in the East Kootenay region of British Columbia. I. Life cycle, brood development, and flight periods



Biology of the mountain Pine beetle, Dendroctonus monticolae Hopkins, in the East Kootenay region of British Columbia. I. Life cycle, brood development, and flight periods



Canad. Ent, 94: 5, 531-8



One generation per year occurs in this area. Eggs are laid near midsummer, and broods overwinter in the larval stage. In warm years, when the first flight begins early, two egg galleries are established, in cold years only one. Emergence begins when the morning temperature reaches ca. 60 degrees F., and ceases in the afternoon when the temperature falls below this. Seasonal emergence lasts 3-4 weeks, its time depending on the occurrence of a preliminary spell of warm weather.

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Accession: 013970242

Download citation: RISBibTeXText

DOI: 10.4039/ent94531-5



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