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Swirski Ulti-Mite Sachets (100 and 500 Pack) – Call to Order*


*Important  All orders MUST be placed prior to 1pm every Wednesday for the following weeks delivery (early week – Monday/Tuesday) 780-461-0077

All orders below $150.00 are subject to a base shipping fee of $27.27 via the supplier. Orders of $150+ are subject to a base shipping fee of $55.00 via the supplier.

Instructions for Mini Sachet:

  • Do not hang adjacent to heating pipes.
  • Do not hang sachets where they will be directly exposed to intense sunlight.
  • Open the shipping box of sachets in the crop.
  • Separate sachets by tearing along perforations.

Storage and transport:

  • Keep out of direct sunlight.
  • Transport and store at 59-68°F until ready to use.
  • Use within 18 hours of receipt.
  • Do not refrigerate.


Amblyseius swirskii is primarily known as a thrips predator that is ideal for warmer climates as it is native to the Mediterranean. It feeds not only on thrips, but also broad mites, russet mites, as well as whitefly eggs. Optimal results are seen when adults in 1 liter containers are used in conjunction with slow release sachets. Feedback from growers for broad mites has been very positive.

How It Works:

Ideal for use on protected crops in warm conditions, such as peppers, cucumbers, gerbera and eggplant. It can be used on non-protected crops, provided that average daytime temperatures exceed 68°F/20°C.

Establishment will be fastest on crops with ample pollen, such as pepper crops, as the pollen provides an alternative, high quality food source for the mites. Crops without pollen will have slower establishment, but using sachets that continually release mites over several weeks will improve results.

Best used early in crop/pest cycle to prevent whitefly and thrips buildup since it does not feed on adult stages.

Is active at 68°F/20°C, but performance increases at higher temperatures.

Technical Notes:

  • Activity range: 59°F to 97°F. Mites are active above and below these temps, but they cannot reproduce and their performance is compromised.
  • Optimum range: 68°F to 90°F. Reproduction is fastest at 86°F.
  • Optimum humidity: 63% RH
  • Diapause: Swirskii does not undergo diapause


As a Type III – Generalist, Swirski is known to feed on the eggs of other Type III mites, including A. cucumeris, A. limonicus, A. andersoni, and Phytoseilus persimilis and Aphidoletes aphidimyza. Care and planning should be taken when placing these species into the same environment.

NOTE: Base shipping costs are incurred with every Koppert order. A rate of $27.27 for all orders under $150.00 and a base shipping rate of $55.00 for all orders over $150.00


100 Sachets, 500 Sachets


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