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Species Page - Monochamus notatus
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scientific name    Monochamus notatus    

common name     Northeastern Sawyer

Dead and dying coniferous trees.

May to September (Yanega, 1996).

Similar to Monochamus scutellatus, but are gray, white, and black in color (Ives and Wong, 1988). "Body 25-35 mm long and black with pronotum more shiny than other species. Elytra usually gray in males while varied in females. Head is broadest below the eyes" (Yanega, 1996). Linsley and Chemsak (1984) report that the antennae extend 6 segments past elytra, legs with white hair and face large and flattened.

life history
The life cycle usually requires 2 years to complete. Adults emerge around May to June. They will then feed on coniferous foliage and bark until mating occurs. Females will deposit eggs into slits they have chewed into the bark. The larvae will emerge in around 2 weeks and begin feeding. The larvae will overwinter and then make their back to the surface, creating a u-shaped excavation tunnel. They will then pupate near the surface and adults will emerge next spring (Ives and Wong, 1988).

Fairly common.

diet info
Larvae will feed in the phloem consuming the sapwood and heartwood of various conifers, especially pine (Yanega, 1996).

From British Columbia to Prince Edward Island (Bousquet, 1991).

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Related Species Info
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References (4)
Specimen Info
There are 8 specimens of this species in the online database
Map Distribution
Adult Seasonal Distributioncreate a collection histogram with specimens
Specimen List (8)


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