Black-Headed Blister Beetle vs Ant-attended Treehopper

Side-by-side species comparison

Attribute Black-Headed Blister Beetle Ant-attended Treehopper
Scientific Name Epicauta pennsylvanica Publilia concava
Order Coleoptera Hemiptera
Family Meloidae Membracidae
Size 10-18 mm 4-6 mm
Habitat Grasslands Grasslands
Diet Parasitoids Predators
Regions North America Eastern North America
Conservation Least Concern Least Concern

Black-Headed Blister Beetle

An entirely black blister beetle common across eastern North America, often seen in large groups on goldenrod in autumn. Its larvae are parasitoids of grasshopper eggs.

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Did You Know?

Larvae go through hypermetamorphosis, changing dramatically in form across five different larval stages.

Ant-attended Treehopper

A small North American treehopper commonly tended by ants that harvest its honeydew secretions. In return, attending ants protect it from predators and parasitoids.

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Did You Know?

Studies show that ant-tended colonies have significantly higher survival rates than untended ones, proving the mutualism is real.