Indiana mosquitoes are a pain in the butt — or the arm, or the leg, or even the ankle. Itchy bites from these annual pests often leave painful, red welts triggered by an alergic skin reaction.

So when can Hoosiers expect relief from mosquito season?

Besides being a nuisance, mosquitoes can spread dangerous diseases. Last year, 11 people were infected by West Nile virus in the Hoosier State, according to the Indiana Department of Health.

As of Aug. 27, at least 10 human cases of mosquito-borne illnesses have been reported in Indiana, with four in Marion County.

Here's what we know about Indiana's mosquitoes along with our favorite time of year — when these little biters finally start to die.

When is mosquito season in Indiana?

Indiana's mosquito season officially runs May 1 - O

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