Redheaded Pine Sawfly vs Western Large-headed Bee

Side-by-side species comparison

Attribute Redheaded Pine Sawfly Western Large-headed Bee
Scientific Name Neodiprion lecontei Ctenocolletes smaragdinus
Order Hymenoptera Hymenoptera
Family Diprionidae Stenotritidae
Size 6-8 mm (adult) 10-14 mm
Habitat Farmland Heathland
Diet Herbivores Nectar Feeders
Regions North America Western Australia
Conservation Not Evaluated Data Deficient

Redheaded Pine Sawfly

The most widely distributed pine sawfly in eastern North America. Larvae can completely defoliate young pines, sometimes killing them.

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Did You Know?

Larvae rear up in unison and regurgitate resinous fluid when disturbed as a group defense.

Western Large-headed Bee

A metallic green bee endemic to Western Australia that belongs to the ancient family Stenotritidae. It nests in sandy soil and forages on native shrubs.

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Did You Know?

Its metallic green coloring is unusual for the Stenotritidae family, most of which are dull brown or black.