Silverback Mosquito

Aedes infirmatus · Order: Diptera · Family: Culicidae

Can bite. They bite people, but the bites are mild.

They are most abundant from June through August. Females lay eggs in low-lying grassy areas that flood in spring, and the eggs hatch when flooded.

Is it a pest in the house?

Adults may feed on passing hosts in woodlands but rarely enter buildings.

Adults will opportunistically bite humans in woodland areas.

Females lay eggs in low-lying grassy spots that flood in spring; flooding triggers hatching.

Peak numbers occur between June and August.

The dark proboscis, dark legs, and silvery thorax patch help tell them apart from similar species.

Recorded in 13 of 51 states and DC. Most records: Florida, Virginia, Georgia, Maryland, Alabama, Louisiana, Tennessee, Texas.

AKMEVTNHWAIDMTNDMNILWIMINYRIMAORNVWYSDIAINOHPANJCTCAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFL

Darker = more records. Counts are museum and citizen-science records, not population size.

Source: GBIF

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Source: GBIF

Do they bite people?

Yes, they will bite humans when they encounter them in woodland habitats.

When are they most common?

They are most abundant from June through August.

Where do they lay their eggs?

Females lay eggs in low-lying grassy areas that are prone to spring flooding; the eggs hatch when flooded.

Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia

Text written 2026-10-23 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-23.