Long-Horned Xiphydriid vs Black-Headed Ash Sawfly

Side-by-side species comparison

Attribute Long-Horned Xiphydriid Black-Headed Ash Sawfly
Scientific Name Xiphydria prolongata Tethida barda
Order Hymenoptera Hymenoptera
Family Xiphydriidae Tenthredinidae
Size 14-20 mm 6-8 mm
Habitat Woodlands Forests
Diet Wood Feeders Herbivores
Regions East Asia, Japan Eastern North America
Conservation Least Concern Least Concern

Long-Horned Xiphydriid

A slender wood wasp with an exceptionally long neck region and thread-like antennae. The body is dark brown with scattered pale markings.

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Did You Know?

Xiphydriid species in East Asia show greater diversity than in any other region, suggesting this may be the family's center of origin.

Black-Headed Ash Sawfly

A small sawfly whose larvae have distinctive black heads and whitish-green bodies. They feed on the underside of ash leaflets, skeletonizing them.

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Did You Know?

This species is often mistaken for moth caterpillars, but like all sawfly larvae, it has more than five pairs of prolegs on its abdomen.