Mexican Cactus Fly vs Great Pied Hoverfly

Side-by-side species comparison

Attribute Mexican Cactus Fly Great Pied Hoverfly
Scientific Name Copestylum mexicanum Volucella bombylans
Order Diptera Diptera
Family Syrphidae Syrphidae
Size 12-18 mm 12-16 mm
Habitat Deserts & Drylands Heathland
Diet Nectar Feeders Parasitoids
Regions North America, Central America Europe, North America
Conservation Least Concern Least Concern

Mexican Cactus Fly

A large, dark hoverfly whose larvae develop in decaying cactus tissue. Adults are strong fliers visiting flowers in arid landscapes.

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Did You Know?

Larvae play an important ecological role in recycling decaying cactus material.

Great Pied Hoverfly

A furry hoverfly that exists in multiple colour forms, each mimicking a different bumblebee species. Larvae develop inside bumblebee nests.

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Did You Know?

Different colour forms mimic different bumblebee species, with some resembling red-tailed and others white-tailed bumblebees.