Dimidiata Deer Fly vs Mexican Cactus Fly

Side-by-side species comparison

Attribute Dimidiata Deer Fly Mexican Cactus Fly
Scientific Name Chrysops dimidiata Copestylum mexicanum
Order Diptera Diptera
Family Tabanidae Syrphidae
Size 8-11 mm 12-18 mm
Habitat Forests Deserts & Drylands
Diet Blood Feeders Nectar Feeders
Regions West and Central Africa North America, Central America
Conservation Least Concern Least Concern

Dimidiata Deer Fly

A medium-sized deer fly with distinctly banded wings, found in West African rainforests. It serves as a secondary vector of Loa loa alongside C. silacea. Larvae develop in muddy swamp soils near forest streams.

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Did You Know?

Wood smoke fires in villages are used traditionally to repel this fly, which is strongly attracted to dark moving objects.

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.