Fungus Gnats

Fungus gnats are tiny flying insects commonly found around houseplants, greenhouses, and moist outdoor areas. While they may look like harmless fruit flies, fungus gnats thrive in damp soil rich in organic matter. Their larvae feed on plant roots, making them a serious problem for both indoor plants and outdoor landscaping.

Identification

Adult fungus gnats are:

Small, slender insects (about 1/8 inch long)
Dark-colored with long legs and delicate wings
Often seen hovering near soil, plants, or windows

The larvae are worm-like, translucent, and live in soil where they damage tender plant roots.

Habitat & Behavior

Fungus gnats are most active in warm, humid conditions. They breed in:

Overwatered houseplants
Potted soil with poor drainage
Greenhouses and nurseries
Compost piles and mulch

Adults typically live for about a week, but females can lay up to 200 eggs, allowing infestations to spread quickly.

Damage & Risks

While adults are more of a nuisance than a direct threat, their larvae feed on roots and stems, especially of young plants. Infestations can lead to:

Yellowing or wilting leaves
Stunted growth
Plant decline or death in severe cases

In homes, fungus gnats are bothersome as they gather around lights, windows, and indoor plants.

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How to Prevent Fungus Gnats

Avoid overwatering plants; let the top layer of soil dry out
Improve drainage with proper pots and soil mixes
Remove decaying organic matter like fallen leaves or compost near plants
Inspect new plants before bringing them indoors

Control & Treatment Options

At Palm Coast Pest Control, we use an integrated pest management (IPM) approach for fungus gnat control:

Cultural Controls: Adjusting watering habits and improving soil drainage.
Biological Controls: Using beneficial nematodes or natural soil treatments that target larvae.
Chemical Controls: When needed, applying safe and effective treatments to eliminate infestations without harming your plants or family.

Why Choose Palm Coast Pest Control

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Over 35 Years of Experience

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Professional Fungus Gnat Control

If you’re struggling with fungus gnats in your home, greenhouse, or landscape, Palm Coast Pest Control can help. Our expert technicians provide customized solutions to eliminate the source of the problem and prevent future infestations. Learn more about us!

📞 Contact us today for effective fungus gnat treatments and keep your plants healthy and thriving.