Ragwort Flea Beetle vs Big-headed Fly

Side-by-side species comparison

Attribute Ragwort Flea Beetle Big-headed Fly
Scientific Name Longitarsus jacobaeae Pipunculus campestris
Order Coleoptera Diptera
Family Chrysomelidae Pipunculidae
Size 2-3 mm 3-6 mm
Habitat Farmland Farmland
Diet Root Feeders Herbivores
Regions Europe Europe, Asia
Conservation Least Concern Least Concern

Ragwort Flea Beetle

A small black flea beetle that feeds on ragwort plants. Successfully used as a biological control agent for invasive ragwort in Australia and New Zealand. Larvae mine in roots.

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Did You Know?

One of the most successful biological control agents ever used, dramatically reducing ragwort in multiple countries.

Big-headed Fly

A small fly with an enormously enlarged, almost entirely eye-covered spherical head. It hovers in vegetation searching for leafhopper hosts in which to parasitize.

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Did You Know?

Its enormous eyes give it near-360-degree vision, allowing it to spot leafhoppers from any angle while hovering.