Neoseiulus (= Amblyseius) fallacis

Mite Predator

A general predator for many different mite pests. Survives well when pest densities are low.
Ships Monday-Thursday via Overnight methods. There is a processing time for this beneficial. See Shipping Info for details or call us at 1-800-827-2847. For Delivery Only. Not available in store.
  • 1,000 count
    SKU: 1151401
  • $39.95
  • 2,000 count
    SKU: 1151402
  • $52.00
  • 5,000 count
    SKU: 1151403
  • $86.75
  • 10,000 count
    SKU: 1151404
  • $152.00
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SHIPS VIA OVERNIGHT METHODS ONLY. SHIPS MONDAY-THURSDAY. THERE IS A PROCESSING TIME FOR THIS BENEFICIAL. SEE SHIPPING INFO FOR DETAILS OR CALL US AT 1-800-827-2847 FOR SPECIFIC DETAILS. FOR DELIVERY ONLY. NOT AVAILABLE IN STORE.

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 mite 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, N. fallacis 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 cool conditions with a relative humidity of 50% or higher.

Neoseiulus (= Amblyseius) fallacis mite predators work extremely well to control mite infestations in greenhouses. Suggested for tomatoes, roses and other vegetable crops. They can also help in the suppression of Cyclamen Mites in strawberry fields.

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

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