Monochamus scutellatus
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| Monochamus scutellatus | ||||||||||||
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Monochamus scutellatus oregonensis in Sequoia National Park , California |
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| Monochamus scutellatus | ||||||||||||
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Monochamus scutellatus is a longhorn beetle native to North America. The subspecies Monochamus scutellatus oregonensis is partially regarded as a separate species Monochamus oregonensis .
distribution
Monochamus s. scutellatus , the nominate form of the species, occurs on the Atlantic coast between Newfoundland and North Carolina , to the west the range continues in the North Central States and extends from there over Minnesota to Alaska . Monochamus s. oregonensis occurs on the Pacific coast of Canada and the USA.
food
Adults feed on twig bark and needles that they eat from living conifers . Larvae drill into fresh dead wood or rotten wood from sick trees, which indiscriminately encourage fungal growth and are therefore feared as pests. For this reason, timber is sometimes treated with insecticides. M. s. oregonensis prefers Douglas firs , pines and firs , the nominate form different types of pine, fir and spruce .
Web links
- General information (English)