Siamese Stag Beetle vs Arctic Psyllid

Side-by-side species comparison

Attribute Siamese Stag Beetle Arctic Psyllid
Scientific Name Hexarthrius parryi Cacopsylla brunneipennis
Order Coleoptera Hemiptera
Family Lucanidae Psyllidae
Size 45-90 mm 2-4 mm
Habitat Mountains Tundra & Arctic
Diet Sap Feeders Sap Feeders
Regions Thailand, Malaysia, Indonesia, India Arctic Scandinavia, Finland, northern Russia, subarctic Canada
Conservation Not Evaluated Least Concern

Siamese Stag Beetle

A large stag beetle with impressive curved mandibles and a dark brown to black body. Males use their oversized jaws in territorial combat.

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Did You Know?

Males can lift opponents twice their own weight with their massive mandibles during fights.

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.