Acacia Ant vs Black-Headed Ash Sawfly

Side-by-side species comparison

Attribute Acacia Ant Black-Headed Ash Sawfly
Scientific Name Pseudomyrmex ferruginea Tethida barda
Order Hymenoptera Hymenoptera
Family Formicidae Tenthredinidae
Size 3-5 mm 6-8 mm
Habitat Heathland Forests
Diet Herbivores Herbivores
Regions Mexico, Central America Eastern North America
Conservation Least Concern Least Concern

Acacia Ant

A slender orange-brown ant that lives inside the swollen thorns of bullhorn acacia trees in a classic mutualistic relationship. It aggressively defends its host tree from all herbivores.

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Did You Know?

They attack any plant growing near their host tree, clearing competing vegetation to give the acacia a competitive advantage.

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.