Mydas Fly vs Striped Horse Fly

Side-by-side species comparison

Attribute Mydas Fly Striped Horse Fly
Scientific Name Gauromydas heros Tabanus lineola
Order Diptera Diptera
Family Mydidae Tabanidae
Size 40-60 mm body 12-16 mm
Habitat Forests Farmland
Diet Detritivores Blood Feeders
Regions South America Eastern North America
Conservation Data Deficient Least Concern

Mydas Fly

The largest fly in the world at up to 60 mm long with a 100 mm wingspan. A wasp mimic with black body and orange-red markings. Larvae develop in ant nests.

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Did You Know?

At 6 cm long with a 10 cm wingspan, this is the worlds largest fly — it mimics a spider wasp so convincingly that even entomologists can be fooled at first glance.

Striped Horse Fly

A medium-sized horse fly with a pale dorsal stripe on the abdomen. Females are persistent blood-feeders on livestock and horses.

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Did You Know?

Female horse flies can extract up to 0.5 ml of blood in a single feeding.