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Please be sure to read the product label of any insecticide you choose to use to get information on the personal protective safety gear you will need. In most situations, it is recommended that you wear long pants, a long sleeved shirt, closed toe shoes with socks, chemical resistant gloves, and goggles. In areas where ventilation is poor, a manufacturer may recommend you wear a mask or a respirator. We have put together two different safety kits that will make selecting the correct safety gear easier for you.

Drain Fly Identification Guide

Learn What Drain Flies Look Like

By DoMyOwn staff

What Are Drain Flies?

Drain flies are small flying insects that are attracted to and breed in the organic matter that builds up in sink drains, shower drains, floor drains and other places where decaying organic matter stands. These tiny flies show up seemingly overnight and can reproduce quickly. You will need to inspect the drain to be sure you have drain flies and not some other type of fly.
A diagram of drain fly anatomy
Drain flies are typically 1/5 to 1/6 inch in length.
  • Drain flies have 6 legs
  • Drain flies have one set of fuzzy wings
  • Drain flies have antennae
  • Drain flies appear to be tiny moths when viewed closely
Drain flies are dark grey to black in color.
A map showing the range of drain flies in the United States
Drain flies are in every state of the US.

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