Diamondback Eumolpid vs Korean Stag Beetle

Side-by-side species comparison

Attribute Diamondback Eumolpid Korean Stag Beetle
Scientific Name Colaspis brunnea Dorcus koreanus
Order Coleoptera Coleoptera
Family Chrysomelidae Lucanidae
Size 4-5 mm 25-45 mm
Habitat Farmland Grasslands
Diet Root Feeders Sap Feeders
Regions Eastern North America East Asia, Korea
Conservation Least Concern Least Concern

Diamondback Eumolpid

A small, oblong beetle with a pale brown to yellowish body and rows of punctures on the elytra. Larvae are known as grape colaspis and damage roots of various crops.

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Did You Know?

Larvae are most damaging to corn and soybean planted after clover, as populations build up in clover root zones before crop rotation.

Korean Stag Beetle

A stag beetle endemic to the Korean Peninsula with dark brown to black coloring. Males possess well-developed mandibles used for fighting rival males. Popular among Korean insect collectors.

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Did You Know?

Korean stag beetle fighting competitions, known as 'jangsupungdeng-i ssaum,' are a traditional pastime for children.