Amblyseius swirskii - Release Instructions

Whats in the SwiLiv tube?

Predator: Amblyseius swirskii. The population is an active mite culture that includes all life stages.

Carrier: Vermiculite or bran – added so application is more even

Food: Feeder mite – Included as a food source for the predatory mites to promote establishment.

Sizes: 5K, 10K, 25K, 50K

How to release A. swirskii?

  • For best results, release as soon as receiving shipment. Application should be during mild temperatures (early morning or late afternoon).
  • Gently rotate the tube to evenly mix the mites in the carrying material,
  • Sprinkle on top of plant canopy or place in bio boxes hung on the plant. Focus in hot spot areas.
  • Avoid chemical pesticides (organic or synthetic) before and after release. 
  • Avoid top watering or washing plants after release. 

Can you store A. swirskii?

We recommend releasing the predators immediately upon arrival.

If storage is necessary swirskii can be stored for 1 day at room temperature in a dark, humid place (RH 60% or more). Avoid any contact with direct sunlight.

WARNING: The tube will accumulate Co2 overtime, always store in a well-ventilated place.

How to check the quality of the mites?

Due to colder temps during shipment predatory mites tends to huddle in the middle of the tube. If at first you don’t see any movement, allow the shipment to come to room temperature before conducting a quality check. 

To check, gently rotate the tube to evenly mix the mites. Pour a small sample on a white piece of paper and you’ll see Swirskii crawling from the pile. You may need a 10x lens to see the mites.

How to promote establishment?

Temp and humidity: Swirskii prefers a warm and humid environment (21°C - 30°C and over 70% RH) but is very tolerant of hot temperatures compared to other predatory mites.

Supplementary food: Pollen, feeder mites, bug feed

Swirskii starts laying eggs on the plants in a day or two but the population does not thrive unless there is abundant food available. Adding supplementary food will help build up the population if prey levels are low.

How to spot A. swirskii after releasing?

Swirskii is a tiny mite with an oblong body that’s pale yellow to deep red in color depending on its diet. To examine the presence of A. swirskii gently tap plants or flowers over a piece of paper, inspect with a 10x lense. Scouts may also look under leaves (near the veins and hairs) with a lens to find A. swirskii eggs.  

Frequently asked questions

Can I use Amblyseius swirskii as a preventative control?

Yes and no. Swirskii works well in pollen rich crops as a preventative but isn’t recommended in other crops unless supplemental food is used. A better option for crop with no pollen is using swirskii sachet, that will slowly release the population over time.

Can I use Hypoaspis miles with Amblyseius swirskii?

Yes you can. They provide better control when used together.

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