SKU: 23509905780
nematodes for fungus gnats indoor plants

nematodes for fungus gnats indoor plants Steinernema feltiae Nematodes - Fungus Gnat & Thrips Control

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Description

nematodes for fungus gnats indoor plants Steinernema feltiae Nematodes - Fungus Gnat & Thrips ControlSteinernema feltiae are beneficial nematodes that infect fungus gnats and thrips , active between 50 88F. Description Steinernema feltiae are beneficial nematodes used to control fungus gnats and western flower thrips in the soil. Nematodes are safe for plants, people and pets and are an organic solution in place of harmful pesticides. S. feltiae are active in cooler weather and will survive and infect hosts in temperatures as low as 50F. Life Cycle A

Steinernema feltiae are beneficial nematodes that infect fungus gnats and thrips , active between 50-88°F.

Description

Steinernema feltiae are beneficial nematodes used to control fungus gnats and western flower thrips in the soil. Nematodes are safe for plants, people and pets and are an organic solution in place of harmful pesticides. S. feltiae are active in cooler weather and will survive and infect hosts in temperatures as low as 50°F.

Life Cycle

A complete life cycle takes 12 to 15 days at room temperature. Media temperatures should be above 50°F but not more than 88°F. Optimum media temperatures are between 60-70F. The nematodes enter the insect pest through body openings. Once inside they reproduce and release a symbiotic bacterium which is toxic to the host. The pests are killed within a few days and a second generation of infective juvenile nematodes exit the host and begin the cycle again. Use beneficial nematodes as part of an IPM program.

Entomopathogenic nematodes are supplied as infective juveniles, which are usually applied as a soil drench. Not all nematodes are alike. They specialize in which pests they attack and kill and are effective at different temperatures. 

Application Rates

Beneficial nematodes come in two forms. Sponges that are pre-inoculated with infective juveniles in quantities of 1 million, 6 million and 24 million. Generally, in a greenhouse setting, apply these beneficial nematodes at a rate of 1 million per 1,000 sq. ft. The sponge product has a completely unique application rate as the bacterial level is much higher because they are produced in vivo. 

Sponges - Nematodes from Sierra Biological are packed on a sponge of pure cellulose wood fiber that is hydrated with water for shipping. The sponges do not go into the crop, only the nematodes, once they have been mixed with water. 

Trays - contain 50 million or 250 million. Release every 2-3 weeks at a rate of 50 million/1100 sq. ft. or every 4-6 weeks at a rate of 50 million/550 sq. ft.  Use 30-50 gallons of water/1000 sq. ft. for applications onto soil or growing media. Some of these are certified organic. 

Instructions for Use

Apply nematodes with a sprayer, injector, hose end sprayer or even a watering can. Plug trays can be dipped in a nematode solution. If using an injector, set the dilution to 1:100. It is important to remove all filters or screens (50 mesh or finer) in any spray lines so that the nematodes can pass through unimpeded and undamaged.

Keep spray pressure below 300 psi. For every square foot you will need .66 gallons of water as the carrier. Saturate soil or potting media to a depth of 2". See Nematode Tech Sheet for further information. Broad spectrum pest control without toxic chemicals. Shipped fresh and quality guaranteed. 

Beneficial Nematode Tech Sheet 

Orders for Beneficial Nematodes must be received by noon on Friday for shipment the following week.  If the deadline is past, please call us and we will help you find a solution ASAP (360) 656-6680. See order deadlines and shipping and  release instructions for more information.

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SKU: 23509905780

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Michael
Whiting, US
★★★★★ 5
Quality as promised.
Color: Rustic Montana, Size: 10.5" x 7" x 1.5"
Nice ! I am very pleased with this product. I like that its American made. The size is actually just right for what I needed. I will buy other products from this company when ready.
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Reviewed in the United States on February 11, 2026
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Shayman King
Los Angeles, US
★★★★★ 4
Great item, BUT…
Color: Bootlegger Brown, Size: 10.5" x 7" x 1.5", Color: Bootlegger Brown, Size: 10.5" x 7" x 1.5"
Do I love it? Yes. Is it well made? It certainly appears to be. Is the leather thick? Yes, I’d say definitely thick and sturdy. Do I like the color (Bootlegger Brown)? Of course I do, it’s gorgeous. It seems very well made. The corners are secured with black fasteners, which I think are going to better than the buttons in the long run that I’ve seen on others. It’s was this brand, or Hide and Drink for me. I went with these guys because it’s U.S. made, and hopefully American sourced leather. I bought the Large. My concern was that the XL might be too large for my nightstand. I measured it out and everything. However, I was not counting on the length and width to be measured from the end of the pinched corners, so I was a little disappointed about the size of the useable surface area. It’s not a big deal, but I wish that I’d have just spent the extra $5 and got the XL. If I we’re to get another, I definitely go with the XL unless you just want something on the smallish side, but still I suspect that they are larger that what most others are offering. At least these guys give you a choice of options.
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Reviewed in the United States on March 31, 2023
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Amazon Customer
Cuba, US
★★★★★ 5
Valet Tray Worth the Price
Color: Bootlegger Brown, Size: 10.5" x 7" x 1.5"
Product well packaged and is exactly as advertised. Great quality and workmanship. Bought for my husband and he really likes it.
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Reviewed in the United States on February 12, 2026
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hanktankerus
Birmingham, US
★★★★★ 5
Awesome EDC Organization
Color: Avalanche Gray, Size: 11.5" x 8" x 2"
Awesome! Great addition to the nightstand to keep stuff organized
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Reviewed in the United States on May 14, 2026
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Spencer & Angela
Lake Worth, US
★★★★★ 5
It holds all my gear and looks fantastic!!
Color: Rustic Montana, Size: 11.5" x 8" x 2", Color: Rustic Montana, Size: 11.5" x 8" x 2"
I wanted something to hold EVERYTHING. In the pic - 2 wallets, tactical flashlight, 2 personal bluetooth speakers, 2 pairs of Beats, chap stick, pocketknife. Missing are my reading glasses but they typically will fit in there too even in their protective sleeve. This would make a great gift and the leather is excellent feel and look. This is the Extra Large size and i am happy i went with the bigger one as i almost didnt. Wife thought it was a great purchased but mad that she didnt get the chance to gift it to me for Father's Day or birthday!! LOL
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Reviewed in the United States on April 9, 2024

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