Get Rid Of Fungus Gnats In Plants – Fungal aphids are common pests that affect ornamental plants. These tiny flies tend to go unnoticed at first, slowly increasing their population by laying eggs in the soil of our container plants. Their larvae feed on fungi and organic matter in our soil, and they also feed on plant roots. Over time, their number increases, and when indoor plants are being watered, you begin to notice how grown plants hover above the soil surface. Fortunately, fungus gnats are more of a nuisance than anything else. And they are easy to manage. Learn how to get rid of fungus gnats and implement strategies to avoid future problems.

Fungal midges are small flies that infest soil, potting mix and other media. Adult mosquitoes look like mosquitoes, but fatter, with antennae longer than their heads. They grow to be 1/16 to 1/8 inch long and have light gray or transparent wings. Adult fungus gnats are short-lived and do not eat plants or harm humans, but you may see them flying around houseplants looking for a place to lay their eggs. Adult flies are also attracted to light, so you may first see them flying near the window.

Get Rid Of Fungus Gnats In Plants

Get Rid Of Fungus Gnats In Plants

Fungus gnat larvae live in the soil where they feed on fungi and organic matter, but also feed on plant roots. Larvae are thin bulbs with shiny black heads and long pale to translucent legless bodies. If there are many of them, they can damage the roots and slow down the growth of the plant. This type of damage is rarely seen at home. Feeding damage often manifests as wilting, which is difficult to distinguish from other plant stresses.

Houseplant Pests: Fungus Gnats

Fungus aphids are everywhere and often enter homes through new plants. They are present outside, but they do not cause problems in the garden. However, it is common to bring them indoors on plants that were outside in the summer and bring them back indoors in the winter. Therefore, these pests are most visible in autumn and winter. Fungal aphids tend to be the biggest problem on plants that are overmoistened, which promotes the growth of soil fungi, the primary food for aphids. Soil moisture management is one of the main methods of controlling and avoiding fungus gnats.

The most effective control methods are aimed at the larval stage. The most important step in controlling fungus gnats is to change the environment inside the houseplant container. Adult fungus gnats lay their eggs in moist soil. You can eliminate favorable egg-laying sites by letting topsoil dry out before watering. Bottom watering also works well to provide adequate moisture to the roots and minimize surface wetness. Covering the soil with ½ inch of coarse sand or fine gravel can prevent egg laying.

At home, insecticides are not recommended or necessary to control fungus gnats. However, for large infestations, you can use biological control agents that work the same as pesticides. A subspecies of Bacillus thuringiensis israelensis, commonly known as Bti, targets fly larvae. You can find Bti products such as Mosquito and Gnatrol at nurseries and garden centres. It is important to note that Bti products labeled for caterpillar control are ineffective against fungus gnats because they are derived from a different type of bacteria.

BTI is safe for indoor use. Although derived from bacteria, Bti is not a living organism and cannot survive indoors. Therefore, you may need to make multiple applications five to seven days apart to control newly-etched fungus gnat larvae. Always follow label directions for application rates and frequency.

How To Avoid Fungus Gnats On My Herb Garden Plants

Mushroom aphids can also be controlled to some extent with traps. Yellow sticky cards, available at nurseries and garden centres, are used to control pests by catching the adults. In doing so, they also reduce the fly population. Note that vinegar-based traps commonly used for fruit flies cannot be used for mushroom flies. Fungus gnats larvae can be caught by cutting pieces of raw potato upside down on the ground. This is a good way to check pots for larvae and can also be used to trap and remove larvae. Remove and replace the potato wedges every few days to gently trap the fungus gnats. Dispose of infected clippings in an outdoor trash can.

A good pest control strategy always starts with prevention. As mentioned above, fungus gnats thrive in moist soil with plenty of food sources. Adults are attracted by the smell of decaying organic matter, which provides a good nesting site. You can limit fungal gnat infestations by managing soil moisture and using a potting mix with low organic content.

Start with a healthy planting medium. Choose a container with proper drainage and fill it with well pasteurized potting mix. Media with perlite, sand or other materials to improve drainage is ideal. Avoid potting mixes with non-composting organic materials such as manure. Prevent potting soil from pest attack by storing it out of the soil in a sealed container. Once your plant is potted, be careful not to overwater it. Allow the surface of the soil to dry between waterings and do not leave the plant in a tray filled with water.

Get Rid Of Fungus Gnats In Plants

Finally, be careful when bringing plants into the house, whether they are new plants from the garden center or plants that spent the summer outside. Separate the plant for a few weeks when you first bring it indoors by placing it somewhere away from other houseplants. Watch for fungus gnats and other pests by examining the foliage, using yellow sticky cards and placing pieces of potato on the soil surface to catch fungus gnat larvae. If the plant is infected, treat it before placing it near other houseplants.

How Do I Get Rid Of Fungus Gnats? I Tried Mosquito Dunk, Sand On Top Of Soil, Etcetc… Should I Just Re Pot? It’s Time To Water My Plants And I Don’t Know

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A while ago (longer than I’d like to admit), I started noticing whales flying around my house. I would click and move on, but the problem remained – and then increased.

It got to the point where I couldn’t sit and watch shows in the living room anymore because I kept getting distracted by the pesky bugs. Then I realized it wasn’t just the summer bugs coming in – it was coming from my plants!

What Kills Gnats On Plants

Fungus midges are small flies that live thanks to fungi in the soil of your plants. They are dark gray in color and only about 1/8 inch long. They do not bite and are not dangerous to humans.

Fungus gnat larvae survive by feeding on fungus, organic matter in the soil, and plant roots that can cause damage.

I tried several methods to kill the swarm of invaders before I finally found a solution. But first, here are some solutions that are often mentioned but don’t work or are too difficult to try:

Get Rid Of Fungus Gnats In Plants

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Common Houseplant Pests: How To Deal With Fungus Gnats

Whenever I look for a way to get rid of fungus gnats or fruit flies, a combination of apple cider vinegar, dish soap and water is always at the top of the list – and it NEVER works for me. This time there were no exceptions.

He seemed to smell as bad to insects as he did to my nose, and no one wanted to go near him.

Neem oil is a natural pesticide and is a frequent choice for getting rid of fungus gnats in my life, so I gave it a try. But I have some problems with it.

First of all, the recommended use is to water my plants with neem oil – including the top AND bottom of the leaves and stems. This turned out to be a very frustrating endeavor, especially when dealing with oily substances.

Top 5 Ways To Get Rid Of Fungus Gnats

Also, while the scent isn’t overpowering, I’m definitely not a fan. There is no need

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John Pablo

📅 Born: May 15, 1985 📍 Location: New York City 🖋️ Writer | Financial Enthusiast Welcome to my corner of the web! I'm John Pablo—a finance enthusiast and writer passionate about making money matters simple and accessible.

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