Japanese Beetle vs Giant Stag Beetle

Side-by-side species comparison

Attribute Japanese Beetle Giant Stag Beetle
Scientific Name Popillia japonica Lucanus elaphus
Order Coleoptera Coleoptera
Family Scarabaeidae Lucanidae
Size 8-12 mm 30-65 mm
Habitat Gardens Woodlands
Diet Herbivores Sap Feeders
Regions North America, East Asia, Europe Eastern United States
Conservation Not Evaluated Least Concern

Japanese Beetle

An iridescent green and copper beetle that skeletonizes leaves of over 300 plant species. Larvae are white grubs that damage lawns and turf.

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Did You Know?

Japanese beetles release aggregation pheromones that attract more beetles, leading to mass feeding frenzies on plants.

Giant Stag Beetle

The largest stag beetle in North America with impressive antler-like mandibles. Males use their mandibles in combat over females.

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Did You Know?

Their species name 'elaphus' means deer, referring to mandibles that resemble deer antlers.