Forest Bug vs Hawaiian Big-headed Ant

Side-by-side species comparison

Attribute Forest Bug Hawaiian Big-headed Ant
Scientific Name Pentatoma rufipes Pheidole megacephala
Order Hemiptera Hymenoptera
Family Pentatomidae Formicidae
Size 13-16 mm 2-4 mm
Habitat Woodlands Woodlands
Diet Sap Feeders Seed Feeders
Regions Europe Hawaii, Pacific Islands
Conservation Least Concern Not Evaluated

Forest Bug

A large European shield bug with distinctive red-orange legs and a small tooth on each shoulder. It is arboreal and common on deciduous trees.

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Did You Know?

Despite being mainly herbivorous, it occasionally turns predatory and feeds on caterpillars and other soft insects.

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.