Introduced Pine Sawfly vs Japanese Green Stink Bug

Side-by-side species comparison

Attribute Introduced Pine Sawfly Japanese Green Stink Bug
Scientific Name Diprion similis Nezara antennata
Order Hymenoptera Hemiptera
Family Diprionidae Pentatomidae
Size 7-10 mm (adult) 12-16 mm
Habitat Farmland Farmland
Diet Omnivores Sap Feeders
Regions Europe, North America East Asia, Japan/Korea
Conservation Not Evaluated Least Concern

Introduced Pine Sawfly

A European sawfly introduced to North America that feeds on white pine and other five-needled pines. Larvae feed gregariously and can heavily defoliate trees.

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Did You Know?

It was first detected in Connecticut in 1914 and quickly spread across northeastern North America.

Japanese Green Stink Bug

A bright green shield bug common across Japan and Korea. Changes color to brown in autumn as a seasonal camouflage adaptation. A pest of soybeans and other crops.

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Did You Know?

This stink bug undergoes a remarkable seasonal color change, turning from bright green in summer to reddish-brown in autumn, triggered by day length.