Conifer Rove Beetle vs Hawaiian Big-headed Ant

Side-by-side species comparison

Attribute Conifer Rove Beetle Hawaiian Big-headed Ant
Scientific Name Quedius plagiatus Pheidole megacephala
Order Coleoptera Hymenoptera
Family Staphylinidae Formicidae
Size 8-12 mm 2-4 mm
Habitat Woodlands Woodlands
Diet Predators Seed Feeders
Regions Northern Europe, Siberia, boreal forests Hawaii, Pacific Islands
Conservation Least Concern Not Evaluated

Conifer Rove Beetle

A medium-sized, dark rove beetle strongly associated with coniferous bark and dead wood. It is an important predator of bark beetle larvae in boreal and montane forests.

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Did You Know?

Forestry studies have shown that this beetle can reduce bark beetle populations by up to 60 percent in naturally managed forests.

Hawaiian Big-headed Ant

An invasive ant now widespread in Hawaii with a disproportionately large head in the soldier caste. It displaces native insects throughout the islands.

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Did You Know?

It is listed among the world's 100 worst invasive species by the IUCN.