adult drain fly top view

Removing and Preventing Drain Flies

Drain flies, also known as moth flies, are tiny flying insects that commonly infest homes and commercial establishments. These pests are often found in areas with standing water, such as sinks, drains, and leaky pipes. Drain fly control can be a difficult task, but with the right knowledge and techniques, you can successfully remove and prevent these pesky insects from infesting your space.

Not only are they a nuisance, but they can also pose health risks, as they can spread bacteria and other harmful microorganisms. In this guide, we’ll discuss how to identify and get rid of drain flies and preventive measures to keep them from coming back.

adult drain fly

About Drain Flies

Drain flies, scientifically classified as Psychodidae, belong to a group of tiny insects measuring approximately 1/16 inch in length. These pesky bugs boast a delicate light gray or tan body adorned with fuzzy wings. Their unique characteristics encompass long antennae and wings covered in scales, which contribute to their somewhat moth-like appearance. Due to their diminutive size and distinctive features, drain flies are commonly mistaken for fruit flies or gnats, often leading to confusion among observers.

Drain flies are known for their preference for damp, dark environments, typically thriving in areas with stagnant water or moist organic matter. Their life cycle includes four stages: egg, larva, pupa, and adult. These small insects are not harmful to humans but can be a nuisance in households, especially in bathrooms, kitchens, or other areas with moisture buildup. Understanding their habits and habitats can help in implementing effective control measures to manage drain fly infestations.

Signs of Drain Flies

One of the most obvious indicators of a drain fly infestation is the sight of adult flies buzzing around drains, pipes, and other damp spots. These tiny, moth-like insects are known for their erratic flying patterns and can typically be seen congregating near areas with standing water or moisture. Additionally, you might observe their larvae wriggling on the walls of sink drains or moist surfaces, resembling small maggots with a whitish coloration.

Another telltale sign to look out for is the presence of small black specks scattered around drains. These specks are actually the droppings left behind by these bothersome pests. These droppings can accumulate over time and indicate the presence of a drain fly infestation that may require attention to prevent further issues.

Getting Rid of Drain Flies

If you believe that you have a drain fly infestation in your home, there are several steps you can take to get rid of them.

leaking pipes attracts drain flies

Where Are Drain Flies Coming From

The first step in getting rid of drain flies is to locate and eliminate their breeding site. Check for any areas with standing water, such as clogged sinks or leaky pipes.

clean your sink often to prevent drain flies

Clean Drains and Pipes

Start by pouring a mixture of baking soda and vinegar down the drain. Let it sit for about 30 minutes to fizz and break down the buildup. Then, flush the drain with hot water to clear out any remaining debris. This method helps eliminate organic matter that drain flies feed on, keeping your drains free from clogs and odors.

repair plumbing to help take care of drain flies

Maintain and Repair Plumbing

To prevent drain flies from entering your home, it’s crucial to seal any small cracks and leaks in your pipes. These pesky insects can exploit even the tiniest openings, so using a reliable caulk or sealant to seal off these entry points will effectively keep them at bay. By taking this simple yet effective step, you can ensure a fly-free environment in your living space.

professional pest control treatment

Contact OMNIS Pest Control

If the infestation is severe or persists despite DIY efforts, it’s best to contact us for our professional pest control services for more effective treatment. OMNIS Pest Control knowledge and tools to eliminate drain flies and prevent future infestations.


Prevention is key in keeping drain flies away from your home or business. Here are some tips to help you prevent an infestation:

side view of an adult drain fly
  • Regularly clean drains and pipes to remove any buildup of organic matter.
  • Fix any leaks or moisture issues in sinks, pipes, and other areas prone to dampness.
  • Avoid over-watering plants as this can create excess moisture and attract drain flies.
  • Keep garbage cans tightly sealed and dispose of trash regularly.
  • Inspect and seal any cracks or openings around pipes, vents, and windows that could serve as entry points for drain flies.

Good-Bye Drain Flies

Drain flies may be small, but they can cause big problems if left unchecked. By properly identifying and eliminating their breeding sites, as well as implementing preventive measures, you can effectively get rid of these pests and keep them from coming back.

Remember to regularly maintain your drains and address any moisture issues in your home or business to prevent future infestations. With these tips, you can say goodbye to pesky drain flies and enjoy a clean and fly-free environment. So, take action now and keep your space free from these unwanted pests.

OMNIS Pest Control sprays treatment to remove household pest

Contact OMNIS Pest Control

Contact OMNIS Pest Control for quarterly pest control treatment removing other unwanted pests from your home today! Our trained professionals will help you keep your space free from all types of pests. Enjoy a pest-free environment with OMNIS Pest Control. Stay safe and stay protected! Keep reading our blogs for more insights on dealing with common household pests. Let us help you live a healthier, cleaner, and pest-free life!

Thank you for choosing OMNIS Pest Control. We are always here to help! So, don’t hesitate to give us a call or contact us for more information on our services. Here’s to a happy and pest-free life!