Farmyard Midge vs Bot Fly

Side-by-side species comparison

Attribute Farmyard Midge Bot Fly
Scientific Name Culicoides nubeculosus Dermatobia hominis
Order Diptera Diptera
Family Ceratopogonidae Oestridae
Size 2 mm 12-18 mm
Habitat Farmland Forests
Diet Dung Feeders Parasites
Regions Europe Central America, South America
Conservation Least Concern Least Concern

Farmyard Midge

A tiny biting midge that breeds in mud contaminated by dung or sewage. Adults suck blood from horses and cattle. Can transmit bluetongue virus and African horse sickness.

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Did You Know?

Despite being only 2mm long, it is the primary vector of bluetongue virus, a devastating livestock disease.

Bot Fly

Parasitic fly whose larvae develop under the skin of mammals including humans. Female captures a mosquito and glues eggs to it — when the mosquito bites, body heat triggers egg hatching.

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Did You Know?

The human bot fly is so devious it hijacks mosquitoes — it catches them, glues eggs to their bodies, then the eggs hatch when the mosquito lands on warm skin.