Three-Cornered Alfalfa Treehopper vs Saw Stag Beetle

Side-by-side species comparison

Attribute Three-Cornered Alfalfa Treehopper Saw Stag Beetle
Scientific Name Spissistilus festinus Prosopocoilus inclinatus
Order Hemiptera Coleoptera
Family Membracidae Lucanidae
Size 5-7 mm 25-75 mm
Habitat Farmland Woodlands
Diet Sap Feeders Sap Feeders
Regions North America Japan, Korea
Conservation Least Concern Least Concern

Three-Cornered Alfalfa Treehopper

A small green wedge-shaped treehopper that is a pest of soybeans and alfalfa. It girdles plant stems during egg-laying, causing significant crop damage.

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Did You Know?

Its stem-girdling egg-laying habit can cause soybean plants to snap at the base in strong winds.

Saw Stag Beetle

A common Japanese stag beetle with serrated inner mandible edges. They are frequently encountered at sap flows on oak trees.

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Did You Know?

Their saw-toothed mandibles give them a superior grip when wrestling other beetles off tree trunks.