Oak Slug Sawfly vs Common Quaker

Side-by-side species comparison

Attribute Oak Slug Sawfly Common Quaker
Scientific Name Caliroa quercuscoccineae Orthosia cerasi
Order Hymenoptera Lepidoptera
Family Tenthredinidae Noctuidae
Size 4-5 mm (adult) 32-38 mm wingspan
Habitat Woodlands Woodlands
Diet Herbivores Herbivores
Regions North America Europe
Conservation Not Evaluated Least Concern

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.

Common Quaker

A drab but very common spring moth attracted to sallow blossom. Variable brown coloring. Named 'quaker' for its plain, modest appearance. Larvae feed on many deciduous trees.

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Did You Know?

Named 'Quaker' because its plain brown appearance was compared to the modest dress of the Quaker community.