Oak Slug Sawfly vs Western Large-headed Bee

Side-by-side species comparison

Attribute Oak Slug Sawfly Western Large-headed Bee
Scientific Name Caliroa quercuscoccineae Ctenocolletes smaragdinus
Order Hymenoptera Hymenoptera
Family Tenthredinidae Stenotritidae
Size 4-5 mm (adult) 10-14 mm
Habitat Woodlands Heathland
Diet Herbivores Nectar Feeders
Regions North America Western Australia
Conservation Not Evaluated Data Deficient

Oak Slug Sawfly

A slug-like sawfly larva that skeletonizes oak leaves in North America. Severe infestations cause browning of the canopy by midsummer.

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Did You Know?

The slimy larval coating deters most predators except for a few specialized parasitoid wasps.

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.