Conservation Status
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Common, this species is frequently encountered basking on spruce and pine logs.
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Cyclicity
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June and July.
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Distribution
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From near tree line in the north with a subspecies found as far south as Florida (Bright 1987, Nelson 1975).
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General Description
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Dicerca tenebrosa is easily confused with other Dicerca species. The character combination of a short second segment on the antennae and the large tooth on the male's mesotibia is diagnostic. The head has an irregular raised area on the top, between the eyes. The rough sculpture of the elytra and pronotum is similar to beetles of D. crassicollis.
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Habitat
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Conifer forests.
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Trophic Strategy
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Breeds on most conifers, including white spruce, balsam fir, Douglas fir, lodgepole pine, limber pine, and jack pine (Bright 1987, Nelson 1975).
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Dicerca tenebrosa
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Dicerca tenebrosa, the flatheaded conifer borer, is a species of metallic wood-boring beetle in the family Buprestidae. It is found in North America.[1][2][3]
Subspecies
These two subspecies belong to the species Dicerca tenebrosa:[1][2]
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Dicerca tenebrosa knulli Nelson, 1975
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Dicerca tenebrosa tenebrosa (Kirby, 1837)
References
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Dicerca tenebrosa: Brief Summary
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Dicerca tenebrosa, the flatheaded conifer borer, is a species of metallic wood-boring beetle in the family Buprestidae. It is found in North America.
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