Inland Floodwater Mosquito vs Apple Caddis

Side-by-side species comparison

Attribute Inland Floodwater Mosquito Apple Caddis
Scientific Name Aedes vexans Brachycentrus appalachia
Order Diptera Trichoptera
Family Culicidae Brachycentridae
Size 4-7 mm 8-12 mm
Habitat Rivers & Streams Rivers & Streams
Diet Blood Feeders Omnivores
Regions Worldwide except Antarctica North America
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.

Apple Caddis

A caddisfly of Appalachian streams that builds tapered square cases from plant material. Larvae orient their cases facing into the current for filter feeding.

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Did You Know?

The square cross-section of the case is thought to reduce drag in fast currents.