Local fruit fly information

Fruit Fly control in Minnesota

Learn what to look for around your property, explore your city, and ask about an inspection or a quote.

Fruit Flies in Minnesota: what to know

Around Minnesota

Conditions vary across the state. Choose your city below, then describe what’s happening around your home or business.

What to note

Where you see fruit flies, how long it has been going on, and anything you’ve already tried are the most useful details to mention.

A useful next step

Ask about an inspection, what treatment would involve, and whether follow-up visits are included. You don’t need to identify the problem yourself before getting in touch.

Local research

Fruit Flies in Minnesota: what the public record shows

Before you compare quotes, it helps to know which fruit flies actually live in Minnesota, when they are busiest, and what the state figures look like. Everything below links to the agency or university page it came from.

Fruit flies can occur at any time of year but are "particularly common in homes during fall and winter" in Minnesota; adults are 1/16 to 1/8 inch long with tan bodies, dark abdomens and red eyes.

Indoor fruit fly peak season

A Minnesota homeowner who sees them in October or January is seeing normal seasonal behavior, not an unusual infestation, and the fix is finding the fermenting source indoors.

University of Minnesota Extension

SWD first appear in Minnesota in late June or early July, mostly migrating in from the south, and populations build through summer to peak in August and September.

Spotted wing drosophila season window

Late-season raspberries, blueberries and wine grapes carry the most risk, which is also when backyard fruit brings SWD and vinegar flies indoors.

University of Minnesota Extension

Spotted wing drosophila can complete its life cycle in as little as seven days.

Generation time

A week of ignoring a spill or a forgotten bin is long enough for a full new generation, so sanitation has to be continuous rather than occasional.

University of Minnesota Extension

When fruit flies are busiest in Minnesota

Indoor pressure is heaviest in fall and winter, following the August-September outdoor peak of spotted wing drosophila and the fall harvest of garden and market produce.

University of Minnesota Extension treats fruit flies as a sanitation problem: find and remove the fermenting fruit, vegetables, liquids, containers or trash they are breeding in, and use a vinegar-baited cup trap to confirm the source is gone. Extension notes fruit flies are primarily a nuisance because they occur in large numbers and are generally not considered a health problem.

For context, nationally

8 to 10 days egg to adult — Life cycle length. University of Maryland Extension
As few as 8 days — Fastest life cycle under optimum conditions. Texas A&M AgriLife Extension

Sources: University of Minnesota Extension; University of Maryland Extension; Texas A&M AgriLife Extension. Figures are quoted as the source prints them. How we check our sources

Explore Minnesota cities

Blaine

Humid Continental · suburban setting

Fruit Fly control in Minnesota

Fruit Flies in Minnesota: what to know

Around Minnesota

What to note

A useful next step

Fruit Flies in Minnesota: what the public record shows

When fruit flies are busiest in Minnesota

For context, nationally

Explore Minnesota cities

Blaine

Bloomington

Brooklyn Park

Burnsville

Coon Rapids

Duluth

Eagan

Eden Prairie

Lakeville

Mankato

Maple Grove

Minneapolis

Moorhead

Plymouth

Rochester

Saint Paul

St. Cloud

Woodbury

Richfield

Ask about fruit fly control in Minnesota