Squash Bug vs Koa Bug

Side-by-side species comparison

Attribute Squash Bug Koa Bug
Scientific Name Anasa tristis Coleotichus blackburniae
Order Hemiptera Hemiptera
Family Coreidae Scutelleridae
Size 14-18 mm 15-20 mm
Habitat Farmland Forests
Diet Sap Feeders Sap Feeders
Regions North America Hawaii
Conservation Least Concern Vulnerable

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.

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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.

Koa Bug

A colorful jewel bug endemic to Hawaii with metallic green, gold, and red coloring. It feeds on koa and other native trees.

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Did You Know?

Invasive parasitoid wasps have drastically reduced its numbers across the Hawaiian Islands.