Category: By Season
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The first frost and mosquito die-off
A hard freeze near 28 F ends the active mosquito season, but cold-hardy eggs and hibernating adults survive winter and return again…
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Heat, drought, and mosquito activity
Heat speeds mosquitoes up, but extreme heat and drought can cut biting numbers while paradoxically raising West Nile risk. What the science…
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Climate change and shifting mosquito seasons
Warming is lengthening the mosquito season and pushing some species into new areas, though local effects vary and the link to human…
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Mosquitoes after rain and flooding
Why heavy rain and flooding trigger big mosquito broods, when floodwater biters emerge, how disease risk shifts to Culex later, and what…
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A month-by-month mosquito checklist
A month-by-month mosquito checklist: dump standing water weekly, treat what you cannot drain with Bti, use repellent, and clean gutters before winter.
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When does mosquito season start
Mosquito season starts once temperatures hold above about 50 F. That means year-round in the far south, spring in the middle, and…
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Where mosquitoes go in winter
Mosquitoes do not disappear in winter. Depending on the species, they wait out the cold as dormant adults, cold-hardy eggs, or larvae,…
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Summer: peak mosquito season
Summer is peak mosquito season: heat speeds up breeding, and late summer brings the West Nile and encephalitis peak. Prevention, sources, and…
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When does mosquito season end
Mosquito season ends after temperatures fall below about 50 F and a hard frost kills active adults, from October in the north…
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The mosquito year
Mosquito activity builds in spring, peaks in the warm wet summer, surges again in fall, and fades in winter, with the exact…