Iowans feel bite of buffalo gnats - KWWL - Eastern Iowa Breaking News, Weather, Closings

Iowans feel bite of buffalo gnats

CEDAR RAPIDS (KWWL)-- Bug experts say last year's record flooding left behind more breeding ground for black flies.

Swarms of the flies, which are also called buffalo gnat, are on the attack in Palo, Cedar Rapids and other areas hit by the floods.

Iowa State University entomologist Ken Holscher says the flies produce one generation each season and population size depends on last year's water supply. He says creeks that typically dry up during the summer didn't last year.

Female black flies inflict painful bites, which can cause itching. But in sensitive people reactions include swelling.

The flies are usually gone around mid-June.


Online Producer-Chris Becker

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