Dryocoetes betulae
Hopkins, 1915
birch bark beetle
Dryocoetes betulae is a bark beetle in the weevil Curculionidae, commonly known as the birch bark beetle. It is a secondary colonizer that specializes in weakened, dying, or dead birch trees rather than attacking healthy . The has been documented in paper birch forests of northern Idaho and across North America from Alberta to Newfoundland.
Pronunciation
How to pronounce Dryocoetes betulae: //ˌdraɪ.əˈsiːtiːz ˈbɛtjʊli//
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Habitat
Paper birch (Betula papyrifera) forests; specifically colonizes weakened, dying, or dead trees rather than healthy trees.
Distribution
North America; recorded from Alberta, British Columbia, New Brunswick, Newfoundland (Canada), and northern Idaho (USA).
Host Associations
- Betula papyrifera - breeds in weakened, dying, or dead treespaper birch; primary documented in northern Idaho study
Behavior
Secondary colonizer of weakened, dying, or dead paper birch; does not attack healthy trees.
Ecological Role
Contributes to decomposition of weakened, dying, or dead paper birch as a secondary bark beetle.