Lake Flies or Drain Flies? How to Identify, Prevent, and Eliminate Them
- Hanna Gardner
- Mar 27
- 2 min read
Discover the difference between lake flies and drain flies in Boca Raton homes. Learn how to identify, prevent, and eliminate these pests with expert home watch tips.
As an Absentee Homeowner, What Are These Pesky Flies?
If you own a vacation home in Boca Raton, you may return after months away to find small flying insects in or around your property. Two common culprits are lake flies and drain flies—but how do you tell them apart, and more importantly, how do you get rid of them?
Lake Flies vs. Drain Flies: Key Differences
Feature | Lake Flies | Drain Flies |
Appearance | Small, black or greenish, mosquito-like | Tiny, fuzzy moth-like with hairy wings |
Where They Live | Found near water sources like lakes, ponds, and pools | Thrive in drains, sinks, and damp organic matter |
Behavior | Swarm in large groups, especially at dusk | Found hovering near sinks, bathtubs, and damp areas |
Do They Bite? | No | No |
How to Prevent & Get Rid of Lake Flies
Lake flies are a nuisance but don’t breed indoors. If your home is near a lake or water body, you may notice swarms, especially in spring and summer.
Prevention & Control:
✔ Turn Off Outdoor Lights at Night – Lake flies are highly attracted to lights. Use yellow-tinted LED lights or motion-activated lighting.
✔ Keep Windows & Doors Sealed – Install tight-fitting screens to prevent entry.
✔ Reduce Standing Water – Check your pool, fountains, and gutters for stagnant water, as this can attract more flies.
✔ Use Outdoor Fans – Lake flies are weak fliers. A patio fan can keep them from gathering near outdoor spaces.
How to Prevent & Eliminate Drain Flies
Unlike lake flies, drain flies breed inside your home, particularly in unused or dirty drains. If your Boca Raton home sits empty for months, these pests may find the perfect breeding ground.
Prevention & Control:
✔ Flush Out Drains Weekly – Pour boiling water down the drain to kill larvae and eggs.
✔ Use a Drain Cleaner – Enzyme-based drain cleaners break down organic buildup where they breed.
✔ Check for Leaks – Slow leaks under sinks or in pipes create the damp environment they love.
✔ Cover Unused Drains – If your home is unoccupied, place drain covers to prevent flies from nesting.
Home Watch Services Help Keep Your Home Pest-Free
As an absentee homeowner in Boca Raton, it’s difficult to manage pest control remotely. A home watch service like Safe Home Boca ensures your property stays in top condition while you're away. Our team inspects your home regularly, checking for signs of pest infestations, leaks, and standing water—all of which can contribute to lake or drain fly problems.
Final Thoughts
Both lake flies and drain flies are common nuisances for Boca Raton homeowners, but proper prevention and home maintenance can keep them away. If you want peace of mind while you're away, a professional home watch service can help you maintain a clean, pest-free property year-round.
Need Home Watch Services?
Contact Safe Home Boca today to learn how we can help you protect your home from pests and other issues while you’re away.
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