Pine Bark Longhorn vs Log Miner Midge

Side-by-side species comparison

Attribute Pine Bark Longhorn Log Miner Midge
Scientific Name Asemum striatum Stenochironomus hilaris
Order Coleoptera Diptera
Family Cerambycidae Chironomidae
Size 10-20 mm 5-8 mm
Habitat Forests Rivers & Streams
Diet Wood Feeders Wood Feeders
Regions Europe, North America, Siberia, Japan North America
Conservation Least Concern Least Concern

Pine Bark Longhorn

A flat, dark grey-brown spondylidine beetle with longitudinal ridges on the elytra. Common in conifer forests across the Northern Hemisphere, it breeds under the bark of dead pines. Adults are nocturnal and hide under bark by day.

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Did You Know?

Adults occasionally emerge from structural pine timber in buildings, sometimes years after the wood was milled.

Log Miner Midge

A wood-mining chironomid whose larvae bore into submerged decaying logs in streams. Larvae create visible galleries beneath the bark of waterlogged timber.

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Did You Know?

It is one of very few insects whose larvae can digest submerged waterlogged wood.