Common Ponerine vs Tooth-Necked Fungus Beetle

Side-by-side species comparison

Attribute Common Ponerine Tooth-Necked Fungus Beetle
Scientific Name Ponera pennsylvanica Bolitotherus cornutus
Order Hymenoptera Coleoptera
Family Formicidae Tenebrionidae
Size 2-3 mm 10-12 mm
Habitat Woodlands Woodlands
Diet Detritivores Fungus Feeders
Regions Eastern North America Eastern North America
Conservation Least Concern Least Concern

Common Ponerine

A tiny dark brown predatory ant living in soil and leaf litter across eastern North America. Colonies are small, rarely exceeding 50 workers, and they hunt minute soil arthropods.

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Did You Know?

Despite being one of the most common ants in eastern forests, they are rarely noticed due to their tiny size and cryptic habits.

Tooth-Necked Fungus Beetle

A heavily armored, warty brown beetle that feeds on shelf fungi on dead trees. Males have two prominent horns on the thorax.

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Did You Know?

It plays dead so convincingly that it is nearly impossible to distinguish from a piece of bark.