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Neoseiulus(= Amblyseius) fallacis is an excellent general predator mite for control of many different types of mites in warm, moderately humid environments. Particularly recommended for spider mites on roses and vegetable crops in greenhouses, N. fallacis can also help suppress cyclamen mites in strawberry fields and broad mite in greenhouses. N. fallacis has been found to be more effective than N. californicus in northern climates on Mint, Hops and Strawberries. It can also be effective in orchards against the European red mite and the two-spotted spider mite, as it tolerates higher temperatures and lower humidities than P. persimilis.
Appearance: Adults are pear-shaped and slightly smaller than the European red mite adult. They are white until they feed after which they take on the coloration of their prey (usually red or brown). The eggs are pear shaped, almost transparent, but slightly larger than the round European red mite eggs. The nymphs are also transparent and difficult to see without a microscope. Of the five N. fallacis life stages, only the 1st nymphal stage is six legged. All other post-egg stages have eight legs. If you are unsure about the specific pest insect(s) you are dealing with, take a look at our Quick Pest Reference Guide.
Life Cycle: Mated adult females may overwinter in plant crevices or other protected areas if prey is available in the fall. Females enter diapause in response to shortened day lengths (<14 hours). They emerge as early as bloom, but in reduced numbers due to heavy winter mortality. N. fallacis increases in number rapidly and adults become numerous by July or August. They live about 20 days and lay an average of 40-60 eggs. Eggs are laid along the ribs of the undersides of leaves. Warmer or cooler conditions accelerate or slow down reproduction/feeding respectively, so take that into account when planning a Biological Control program.
Relative Effectiveness: Because N. fallacis is a voracious consumer of mites and because its population increases quickly in relation to its prey, it can overtake an expanding pest population. It develops into the adult stage in about one third the time required by other mite predators. Additionally, they will feed on pollen in the presence of a reduced prey population. N. fallacis will actively control mite populations at temperatures above 64°F and prefers moderate to warm conditions with a relative humidity of 50% or higher. For this reason, N. fallacis mite predators work extremely well to control mites in greenhouses. Suggested for tomatoes, roses and other vegetable crops.
Release Rates for N. fallacis:
|Classification ||Release Information|
|Prevention ||1000 N. fallacis per 1285 square feet, monthly, as needed|
|Low ||1000 N. fallacis per 650 square feet, tri-weekly, 2-3 times|
|Medium ||1000 N. fallacis per 425 square feet, bi-weekly, 2-4 times|
|High ||1000 N. fallacis per 300 square feet, weekly, 3-4 times|
|Maintenance ||1000 N. fallacis per 2000 square feet, monthly, as needed|
|Garden ||25-45% of the rates listed above|
|Acre or More Applications ||5-30% of the rates listed above|
Comments: Spring releases are typical, but fall releases should be considered depending on the pest insect population being controlled. They are effective in a preventive capacity. Please call us for recommendations if you plan on applying predatory mites to a large area or multiple sites.
PLEASE NOTE: All Mite Predators require additional processing time due to rearing and collection times. Additional information can be found on the Shipping Tab to identify the earliest shipment date. If you have questions about shipment dates, orders can be placed with our sales representatives at 1-800-827-2847.
This Product Controls These Pests or Diseases: Bank's Grass Mite ( Oligonychus pratensis), Broad Mites, European Red Mites (Panonychus ulmi), Pacific Mites (Tetranychus pacificus), Russet Mites, Spider Mites (Mult), Two-Spotted Spider Mite (Tetranychus urticae), Various Mites in Tetranychus sp
N. fallacis is an effective predator used to control spider mites, broad mites and cyclamen mites. Especially effective in greenhouses, release instructions for N. fallacis can be found below. If you are a first time user of mite predators, please call us at 1-800-827-2847 to walk through application instructions and best practices.
Instructions for Release of N. fallacis:
It is best to release these mites in late evening the day you receive them. Before releasing, gently rotate the jar to distribute the mites evenly within the carrier. Then open the jar in the crop and gently tap the contents out of the jar as evenly as possible onto the foliage of the plants you wish to treat. Concentrate the bulk of them on or near the most heavily infested plants. In trees, sprinkle them into Dixie-like cups wedged into, or distribution boxes hung from, the branches. Leave the bottle in the treatment area for 24 hours after release to ensure all mites have exited. Supplying these predators with certain plantings (flowering, pollen producing plants), at or near the release site, may increase their egg laying activity. If these are not available, try Good Bug Power Meal.
For best results, greenhouse applications of N. fallacis should be made along with P. persimilis. For heavy spider mite infestations (webbing spotted, clusters of mites) in areas with a humidity higher than 60%, Feltiella acarisuga may be helpful in gaining control. Stethorus punctillum can be used for the same purpose in areas with humidity less than 50%.
Environment: Outdoors, Crops, Orchards & Vineyards, Nursery, Greenhouse, Grow Room, Hydroponics, Aquaponics, Pond & Environment, Interiorscapes, Container Plants
Storage: If not releasing immediately, keep in a cool dark place out of direct sunlight. Do not refrigerate.
- Ships via Overnight methods only. This does not take processing time into account. Overnight Shipping refers to the time frame for delivery after the shipment date.
- Orders ship Monday-Thursday only.
- Orders will be processed for the next available shipping date. Processing can take 24-48 hours.
- For the earliest ship dates, please call us at 1-800-827-2847.
Cannot Be Shipped To: HI,PR,VI,GU,AS,PW
What's In The Package: N. fallacis are packed 1,000 per 1 oz. shaker bottle. They are mixed with a humidified inert granular material (corn cob grits). This material helps preserve the predators and aids in distributing the predators on the plants. N. fallacis are highly perishable as they are shipped as adults and should be used immediately upon delivery.
Shelf Life: Use within 18 hours of receipt.