Arctic Psyllid vs Two-spotted Stink Bug

Side-by-side species comparison

Attribute Arctic Psyllid Two-spotted Stink Bug
Scientific Name Cacopsylla brunneipennis Perillus bioculatus
Order Hemiptera Hemiptera
Family Psyllidae Pentatomidae
Size 2-4 mm 9-12 mm
Habitat Tundra & Arctic Farmland
Diet Sap Feeders Predators
Regions Arctic Scandinavia, Finland, northern Russia, subarctic Canada North America
Conservation Least Concern Least Concern

Arctic Psyllid

A tiny, winged sap-sucking insect that feeds on willow in Arctic and subarctic regions. Adults are brownish with transparent wings and can jump powerfully using enlarged hind legs. Nymphs produce waxy secretions.

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Did You Know?

Psyllids are sometimes called jumping plant lice because they can leap more than 50 times their own body length to escape danger.

Two-spotted Stink Bug

A colorful predatory stink bug with bold red or orange and black markings. It is particularly valued for its appetite for Colorado potato beetle larvae. The color pattern is variable but always includes two dark spots on the pronotum.

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Did You Know?

It can consume up to 100 Colorado potato beetle eggs per day, making it one of the most effective natural predators of this major crop pest.