Inland Floodwater Mosquito vs Window Fly

Side-by-side species comparison

Attribute Inland Floodwater Mosquito Window Fly
Scientific Name Aedes vexans Scenopinus fenestralis
Order Diptera Diptera
Family Culicidae Scenopinidae
Size 4-7 mm 5-7 mm
Habitat Rivers & Streams Indoors
Diet Blood Feeders Predators
Regions Worldwide except Antarctica Worldwide
Conservation Least Concern Least Concern

Inland Floodwater Mosquito

One of the most widespread and abundant mosquitoes globally, with a brownish body and narrow white bands on the hind tarsi. It is a major nuisance pest that emerges in massive numbers after flooding or heavy rains. It is a competent vector of Rift Valley fever virus and various encephalitis viruses.

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Did You Know?

Its eggs can remain dormant in dry soil for years, hatching simultaneously after flooding to produce enormous swarms.

Window Fly

A small shiny black fly often found on windowsills inside buildings. Its larvae are beneficial predators of carpet beetle and clothes moth larvae.

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Did You Know?

Despite being found indoors, it is actually beneficial because its larvae eat destructive carpet beetles.