South American Cuckoo Bee vs Black-Headed Ash Sawfly

Side-by-side species comparison

Attribute South American Cuckoo Bee Black-Headed Ash Sawfly
Scientific Name Exaerete frontalis Tethida barda
Order Hymenoptera Hymenoptera
Family Apidae Tenthredinidae
Size 22-28 mm 6-8 mm
Habitat Woodlands Forests
Diet Parasites Herbivores
Regions Brazil, Peru, Ecuador, Colombia, Central America Eastern North America
Conservation Not Evaluated Least Concern

South American Cuckoo Bee

A large metallic blue-green cleptoparasitic orchid bee that lays its eggs in the nests of other orchid bees. Its mandibles are strong enough to break into sealed brood cells.

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Did You Know?

Its larvae first consume the host's food stores, then devour the host bee larva itself before pupating in the stolen nest cell.

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.