Western Snakefly vs Tunnel Beetle

Side-by-side species comparison

Attribute Western Snakefly Tunnel Beetle
Scientific Name Agulla adnixa Lymexylon navale
Order Raphidioptera Coleoptera
Family Raphidiidae Lymexylidae
Size 12-16 mm 7-16mm
Habitat Woodlands Woodlands
Diet Predators Wood Feeders
Regions Western North America Europe
Conservation Least Concern Least Concern

Western Snakefly

A North American snakefly found in western forests and woodlands. Larvae develop under bark of conifers where they hunt bark beetle larvae.

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Did You Know?

Western snakeflies require a cold winter period to complete development, which is why they are absent from tropical regions.

Tunnel Beetle

A slender cylindrical beetle whose larvae bore straight tunnels through oak timber. Historically damaged ship timber.

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Did You Know?

Was a major pest of oak shipbuilding timber, boring tunnels that weakened the hulls of wooden warships.