Mexican Cactus Fly vs Richmond Birdwing

Side-by-side species comparison

Attribute Mexican Cactus Fly Richmond Birdwing
Scientific Name Copestylum mexicanum Ornithoptera richmondia
Order Diptera Lepidoptera
Family Syrphidae Papilionidae
Size 12-18 mm 11-13 cm wingspan
Habitat Deserts & Drylands Forests
Diet Nectar Feeders Nectar Feeders
Regions North America, Central America Australia
Conservation Least Concern Vulnerable

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.

Richmond Birdwing

A large subtropical birdwing butterfly with green and black males and brown females. It is threatened by habitat loss and a toxic introduced vine.

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Did You Know?

Larvae that accidentally feed on the invasive Dutchman's pipe vine are poisoned and die.