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PEST OUTLOOK: Short Term Rainfall Has Biggest Impact

mosquito spraying

Whether Iowans will have to fend off higher amounts of mosquitoes this summer is a mystery even to insect experts.

Entomologists at Iowa State University say the cold winter may have killed off some of the population while spring rains may have helped it rise again.

However, neither factor is as important as short term weather patterns.

A week of rain and high temperatures in the summer has the biggest effect on the mosquito population.

“If the water pools and we have temperatures in the 80s and 90s, they can develop in 7-10 days,” said Ken Holscher, an associate professor of entomology at Iowa State.

One thing people can count on is a noisy summer due to cicadas.

Millions of 17 year periodical cicadas will emerge for mating. Experts say you can expect to hear that loud mating call by early June. It lasts 6-8 weeks.


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