Squash Bug vs Ragwort Flea Beetle

Side-by-side species comparison

Attribute Squash Bug Ragwort Flea Beetle
Scientific Name Anasa tristis Longitarsus jacobaeae
Order Hemiptera Coleoptera
Family Coreidae Chrysomelidae
Size 14-18 mm 2-3 mm
Habitat Farmland Farmland
Diet Sap Feeders Root Feeders
Regions North America Europe
Conservation Least Concern Least Concern

Squash Bug

A flat, dark grayish-brown bug that is a major pest of squash and pumpkin plants. When crushed, it emits a distinctly unpleasant odor similar to stink bugs.

💡

Did You Know?

Squash bugs inject toxic saliva while feeding that causes a condition called anasa wilt, which can kill entire squash vines within days of a heavy infestation.

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.

💡

Did You Know?

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