Oregon Oak Gall Wasp vs Scarlet Pergid Sawfly

Side-by-side species comparison

Attribute Oregon Oak Gall Wasp Scarlet Pergid Sawfly
Scientific Name Besbicus mirabilis Pergagrapta polita
Order Hymenoptera Hymenoptera
Family Cynipidae Pergidae
Size 2–3 mm 10-16 mm
Habitat Grasslands Woodlands
Diet Gall Makers Herbivores
Regions Western North America Eastern Australia
Conservation Not Evaluated Least Concern

Oregon Oak Gall Wasp

A gall wasp that induces conspicuous galls on Oregon white oak in western North America. Galls form on leaf veins and can be quite abundant.

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Did You Know?

Native Americans used some oak galls medicinally as an astringent to treat mouth sores and skin wounds.

Scarlet Pergid Sawfly

A brightly colored Australian sawfly with a polished dark body and reddish highlights. Larvae feed on eucalyptus and are often found in clusters.

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Did You Know?

The genus Pergagrapta is endemic to Australia and represents part of the remarkable radiation of pergid sawflies on that continent.