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Fungus Gnat Control
Integrated Pest Management of Fungus Gnats
1. Monitor and trap with yellow sticky traps to assess the severity of infestation. 2. Control soil moisture by providing proper drainage, avoiding standing water and allowing media to dry between waterings. 3. Circulate air and prune plants to ensure adequate air flow. 4. Prevent and treat infestations with Bacillus thuringiensis israelensis (see page 29). 5. Apply NemAttack Steinernema feltiae Beneficial Nematodes to parasitize fungus gnat larvae as well as thrips. 6. Rove beetles (Dalotia coriaria) are excellent predators that can establish in growing environments and control multiple soil dwelling pests. 7. Spray Beauveria bassiana to the foliage or drench growing media, where permitted.
Rove Beetle - Dalotia coriaria (=Atheta coriaria)
For Indoor Control Of Soil Dwelling Pests!
TARGET: Fungus gnats (sciarid flies), thrips and shore flies.
DESCRIPTION: “Rove beetles” will feed on small soil-dwelling pest larvae and eggs. Adults are a Dalotia coriaria brown-black color, 3-4 mm long and winged. They are (=Atheta coriaria) predacious in all stages and develop from egg to adult in about 21 days; passing through three larval instars prior to pupation and adulthood. Adults consume about 150 pest fungus gnat eggs per day. Compatible with Stratiolaelaps scimitus (=Hypoaspis miles). Winged adults have high dispersal and colonization rates and are not recommended for outdoor use.
SUGGESTED USE (Depending upon level of infestation): Use season-long, in covered crops such as ornamentals, cucumbers, strawberries and mushrooms. Apply directly to growing medium surface. Apply approx. 1-5 predators per sq. ft. For high infestation, increase application rate and consider pairing with another suitable predator or parasite like S. scimitus, beneficial nematodes, or specific mite predators. Temperature: Moderate 55-80ºF Relative Humidity: 50-80% 1101330 ≈500 Adults $54.00 1101331 ≈1,000 Adults $78.00 1101332 ≈3,000 Adults $170.00 1101334 ≈5,000 Adults $250.00
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Fungus Gnat Predator - Stratiolaelaps
scimitus (=Hypoaspis miles)
Stop Destructive Fungus Gnats & Thrips In Their Developing Soil Stages.
TARGET: Fungus gnats, western flower thrips, springtails, mold mites, spider mites, cactus root mealybugs, strawberry root weevils and black vine root weevils.
Stratiolaelaps scimitus (=Hypoaspis miles)
DESCRIPTION: This tiny brown mite naturally inhabits the top layer of soil where larvae and pupae dwell. Female predatory mites lay their eggs in soil and the nymphs and adults feed on pests. SUGGESTED USE (Depending upon level of infestation): ≈5,000-10,000 mites treat approximately 1,000 sq. ft. Release ≈25,000-50,000/acre depending on level of infestation. Apply weekly until infestation subsides. Weekly release programs available. Please Call. Trap adult infestations using Blue Sticky Traps. Reinforce with applications of beneficial nematodes. Temperature: Moderate 60-74ºF Soil Conditions: Moist soil. Not too damp. 1154000 ≈12,500 Count $19.00 1154002 ≈25,000 Count $30.00 1154005 ≈50,000 (2 x 25,000) $50.00 1154010 ≈125,000 in 5 Liter Bag $130.00
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Monitor & Identify Using Sticky Traps
Trapping is the most efficient way to monitor your crop for pest insects and can often indicate the insect’s presence early enough that other control measures can be taken. Bright yellow traps attract whiteflies and aphids while blue traps can draw thrips and leafminers.
