Twolined Chestnut Borer vs American Scorpionfly

Side-by-side species comparison

Attribute Twolined Chestnut Borer American Scorpionfly
Scientific Name Agrilus bilineatus Panorpa nuptialis
Order Coleoptera Mecoptera
Family Buprestidae Panorpidae
Size 5–12 mm 18-25 mm
Habitat Woodlands Woodlands
Diet Sap Feeders Fruit Feeders
Regions Eastern North America Southeastern United States
Conservation Not Evaluated Least Concern

Twolined Chestnut Borer

A jewel beetle that attacks stressed oaks and chestnuts in eastern North America. It is named for two pale stripes running along its wing covers.

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Did You Know?

Drought-stressed oaks are highly susceptible, and repeated attacks over two to three years can kill large trees.

American Scorpionfly

A large scorpionfly found in the southeastern United States with prominent wing spots. Males engage in elaborate courtship rituals involving nuptial gifts.

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Did You Know?

This species was key to discovering that nuptial gift-giving in scorpionflies helps males avoid being eaten by females.