Mix one-part 3% hydrogen peroxide with four parts water. Fungus gnat larvae will die upon contact with hydrogen peroxide. Don’t worry, on occasion, a dose of diluted hydrogen peroxide will not be harmful to your lemon tree.
Why are there so many flies on my lemon tree?
Why Do Citrus Trees Attract Flies? Flies are attracted to all types of sweet fruit, and citrus fruits are no exception. They especially love to burrow inside citrus fruits once they have become overly ripe or have started to decompose. These flies then feed on the old fruit or lay eggs under the peel.
How do you get rid of tree gnats?
Gnat Control Tip
Put out a bowl of vinegar and add a few drops of dish soap. The gnats will be attracted to the vinegar but will be trapped by the soap. If you prefer, you can put the solution in a jar, and punch some small holes in the jar lid.
What can I spray on my lemon tree?
When these pests attack the lemon tree, applying certain sprays will help control the problem and protect the fruit.
- Oil Spray. Neem oil and horticultural oil are two pesticides that will control both insects and fungal diseases. …
- Insecticidal Soap. …
- Copper Fungicide. …
- Bacterium Insecticide.
Can I spray vinegar on my lemon tree?
Topical application of white vinegar to the leaves alone is not enough to completely kill a tree, but killing the leaves prevents the tree from photosynthesizing and transferring carbohydrates to the roots, which can slowly kill it.
Do lemon trees keep flies away?
What makes lemon balm so effective as an insect repellent is its high levels of a compound called citronellal. So rather than using toxic chemical repellents, just place a lemon balm plant in your home to keep bugs away. Sage’s strong smell and oil both act in repelling mosquitoes and flies.
Are flies attracted to lemon?
Common fruit flies (Drosophila spp.), also called vinegar flies, are primarily attracted to overripe lemons on the ground or still on the tree. … Clean up fallen fruit around the lemon tree and harvest lemons before they become overripe, soft and stinky enough to attract vinegar flies.
What is the fastest way to get rid of gnats?
In a small bowl, mix a half cup of warm water plus two tablespoons of apple cider vinegar, a tablespoon of sugar, and about six drops of liquid dish soap. Gnats will be lured in by the sugary mixture, but once they dip in for a drink, the sticky dish soap will trap them.
What scent do gnats hate?
Repel them with Scent.
Try Lighting citronella candles, using lemon or vanilla sprays. While gnats are a fan of sweet-smelling fruit, they can’t seem to stand vanilla, lemon, or even lavender. A little spritz can at least keep them at bay.