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Fungus Gnats, No see-ums

Nickname: Fungus Gnat

Scientific Name: Bradysia impatiens Family: Mycetophilidae

Appearance/Size: Mosquito-like insects that are active in the summer. Adults are grayish or black and are 1/8 to 1/10 inches long.

Prefered Habitat: Fungus gnats typically inhabit moist, warm, shaded areas. Some common hosts include: fungi, decaying wood, bedding plants, and foliage plants.

Reproduction: The average adult life is only about 1 week (entire life 3-4 weeks), but a female can lay up to 250 eggs in that time, that will hatch in as little as 3 days. Larvae will live 1-2 weeks, feeding in the soil before emerging into an adult.

Eat: Larvae eat organic material and nutrients in the soil, often hurting root tissue in plants. Adults are free living organisms and spend the majority of their adult life looking for a partner to reproduce with.

Side Notes: Fungus Gnats aren’t a serious greenhouse problem because of their lifestyle. Fungus Gnat larvae, small worms found in the top of your soil, will feed mostly on organic debris, fungi, algae, etc. Young seedlings are normally the target but will normally outgrow them, and a developed plant is not typically effected by fungus gnats. However, signs of fungus gnats typically mean more worse things are to come; such as fungus, root rot, and other symptoms from over watering. Fungus Gnats can be vectors, a term meaning an organism that can transmit a pathogen. These little creatures cannot spread diseases through humans, but can to your plants. They can spread root and foliage pathogens such as FusariumPythium, and Botrytis.


Click to check prices! Description
Minute Pirate Bug Orius insidiosus- Also known as flower bugs, are one of the most common general predators in field crops. Emerging early in the spring, their diet consists of a variety of small pests including thrips, whitefly, spider mites, aphids, psyllids, lygus bugs, small caterpillars and insect eggs. They particularly love to eat thrips and are known to attack the adult thrips; you may even see them from time to time with thrips stuck on their rostrum.Release Orius indoors or out. Minute Pirate Bugs reproduce quickly, completing a total life cycle in just 3-4 weeks, making them effective at handling serious infestations quickly. Adults lay their eggs within available plant tissue. Nymphs emerge after 4-5 days and they become adults in 7-10 days. Minute Pirate Bugs will move efficiently throughout the infested plants, and will continue to kill even when they do not need to eat. Be sure to leave suitable habitat for them to overwinter as they will establish in most locations quite well.
Beneficial Nematodes- Attacks Mobile Pests: Fungus gnats, ticks, thrips, leafminers, caterpillars, cutworms, sod webworms, fly larvae, onion maggots, subterranean termites.Other Insect Control Uses: American cockroach, armyworm, artichoke plume moth, Asian cockroach, beet armyworm, cabbage maggots, black cutworm, bluegrass weevil, codling moth, corn earworm, cotton bollworm, cucumber beetle, fall armyworm, fruit fly, German cockroach, mole crickets, tobacco budworm, wireworm and more.
Green Lacewings- Green Lacewing larvae are voracious eaters of the eggs and immature stages of many soft bodied insect pests, including several species of aphids, spider mites (especially red mites), thrips, whitefly, leafhoppers, some beetle larvae, eggs and caterpillars of pest moths, and mealybugs. The larvae will eat for 2-3 weeks, spin a cocoon, and 10-14 days later, emerge as adults. These little beauties are a wonderful and cost effective addition to any pest control program. Green Lacewing are an exceptional addition to any IPM (Integrated Pest Management) program. Adults feed only on nectar, pollen, and aphid honeydew, but the larvae are active predators. Be sure to provide food for the adults so they will stay and deposit their eggs.
Image Coming Soon! Thrips Mite - Hypoaspis sp. (Geolaelaps sp.).- This tiny brown mite naturally inhabits the top layer of soil where fungus gnats, springtails and thrips pupae dwell. Female predatory mites lay their eggs in soil and nymphs and adults feed on pests.Release rates: 10,000 mites treat approximately 1,000 plants. Release 10,000 – 25,000/acre depending on level of infestation.Usually only 1 application is required. Should NOT be used with beneficial nematodes.
Sticky traps- Easy-to-open yellow 4″x7″ trap reverse folds to expose 4″x14″ stickysurface with grid for precision monitoring purposes. Approximately 30 square inch adhesive area. Non-poisonous and weatherproof. Punched with hole and twist-tie provided to easily hang trap. Easy to handle and count insects without getting sticky. These yellow sticky traps attract a broad spectrum of flying insects, including: aphids, whiteflies, thrips, leafhoppers, leafminers, and moths. Long lasting traps are weatherproof, and come with a wire twist to easily hang on plants or branches.
Neem oil solutions- Neem oil is a very reputable pest control agent, among many other things! It’s all organic, non-toxic, and not only 100% safe, but it’s encouraged you use neem oil. It can be applied directly to foliage, where it creates a coat similar to a wax coating on a car. It helps build immunity and deters natural pests from reproducing around it. When using for fungus gnats, apply directly to the soil with a spray bottle, or some sort of misting tool. Because of Neem oil’s tendency to not mix well with water, putting it in your water reservoir is unnecessary. Label calls for 1 oz of Neem Oil/Gallon of water, and 2 teaspoons per gallon of Dish Soap (to help the oil emulsify in water).
Earth Juice goGnats- is a poison-free alternative for the control of soil-fungus gnats, mites, aphids, moths, and other garden and hydroponic pests. goGnats liquid may be used as a plant and area spray, added to nutrient reservoirs or used as a soil drench. For hydroponics, it is recommended to add directly to reservoirs on a regular basis as part of a plant maintenance program. Can be applied as an area spray or added to fertilizers and applied during feeding. For indoor/outdoor plants.
Mosquito Dunks- Kills mosquitoes before they’re old enough to bite! The Mosquito Dunks are America’s best selling home owner mosquito control product. The only product with BTI, a bacteria toxic only to mosquito larvae, that lasts 30 days and treats 100 square feet of surface water. Non-toxic to all other wildlife , pets, fish, and humans. Simply apply Mosquito Dunks to any standing water, or water garden. Kills within hours lasts for 30 days or more. Labeled For Organic Gardening by the USEPA. Highly effective low impact product.
Bonide Organic All Seasons Horticultural Oil- Certified Organic A superior type parafinic oil that may be used as a growing season spray, dormant spray (no leaves) or delayed dormant (green tip) spray to control overwintering eggs of red spiders, scale insects, aphids, bud moths, leaf roller, red bug, codling moth, blister mites, galls, whitefly, mealy bugs and other insects. Highly recommended for use on fruit trees, shade trees, shrubs, ornamentals, roses and vegetables. Safe and pleasant to use. Readily mixes with water for spraying. Will not stain! Ships Quickly! (No dilution required, ready-to-spray)
Cinnamon- Cinnamon is a great way to organically deter fungus gnats, and other soil dwelling pests! Simply sprinkle a thin layer on top of your soil (over all of it, and make sure it’s an even layer), and gently water. Generally speaking, cinnamon will kill most of the larvae, most of the young adults emerging from the soil, and encourage future generations to relocate. Putting cinnamon in your water reservoir can prove to be a hassle, it doesn’t mix very well. Mixing it in a spray bottle can also be a pain, so applying it on your soil  and then watering is the best method. There are many other natural herbs and spices that also work, such as garlic. (Some people suggest that cinnamon is a fungicide, and that you are actually killing the fungus gnat’s food supply, rather than killing them directly. This can be debated, and should be researched more)

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