Cambium-borer
Guides
Agrilus cephalicus
dogwood agrilus, dogwood cambium borer
Agrilus cephalicus, commonly known as the dogwood agrilus or dogwood cambium borer, is a metallic wood-boring beetle in the family Buprestidae. The species is found in North America and is associated with dogwood trees (Cornus spp.) as its larval host. Adults are metallic wood-boring beetles typical of the genus Agrilus. The specific epithet "cephalicus" refers to head-like characteristics, though the precise morphological basis for this name is not detailed in available sources.
Oberea schaumii
Oberea schaumii is a cerambycid beetle that develops as larvae in trembling aspen (Populus tremuloides). The species has a variable life cycle duration: most individuals require three years to develop, though some complete development in two years and others require four. Adults emerge from late June through July. The beetle occurs in the crowns of large aspen trees and shows competitive interactions with Saperda inornata.
Tetropium parvulum
Northern Spruce Borer
Tetropium parvulum, the northern spruce borer, is a small cerambycid beetle specialized on spruce hosts. It was elevated from synonymy with T. cinnamopterum based on distinct morphological differences in larvae and adults, and exhibits strict host specificity to Picea compared to the conifer generalist T. cinnamopterum. The species has a one-year life cycle and is an economically important borer of white and Engelmann spruce logs in western Canada.
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