5P377 – Amblyseius swirskiis – Swirskiline as is a product containing the predatory mite Amblyseius (Typhlodromips) swirskii Athias – Henriot Phytoseiidae, Acari, which originates from the Nile Delta of Egypt and adjacent areas of Israel and the Middle East. This mite is mainly used for control of whitefly, but will give some reduction in other small pest species. A predatory mite that breeds extremely quickly under warm and humid environmental conditions. It predates on whiteflies, thrips and other pests (Thrips – WFT (Frankliniella occidentalis) and Onion thrip (Thrips tabaci) Whitefly, Greenhouse (Trialeurodes vaporariorum) Whitefly, Tobacco or Silverleaf Whitefly (Bemisia tabaci). In the absence of prey it can also survive on the plant, feeding on pollen or mold. It prefers a warm humid climate, but can survive cooler nights during the winter months in semi-protected crops by moving lower down the plants, where it benefits from the warmer micro-climate closer to the ground. Mini sachets, each sachet containing a breeding colony of 125 predators at the time of packing.
How does it work?
Amblyseius (Typhlodromips) swirskii is a small predatory mite which feeds on many types of small arthropod prey and pollen. It has been researched for many years as a predator of spider mites, Eriophyid mites and other pests on crops in Egypt and Israel, and was released into the United States in 1983 as part of a control program for citrus pests. More recently, it was collected in Israel in association with whitefly, Bemisia tabaci, by researchers at the University of Amsterdam, and tested as a control agent for that pest. It was found to be able to reduce but not eradicate whitefly populations on cucumber plants to which pollen had been added. Researchers at PPO in the Netherlands have also studied this mite for control of whitefly and other pests, such as thrips.
Adult female mites lay single eggs onto leaf hairs. The mites go through three immature stages, larva, protonymph, and deutonymph, before becoming adults. At 25°C, the entire cycle from egg to adult can take less than 7 days. All mobile stages are predatory.
The mites feed by piercing small arthropod prey or grains of pollen with their mouthparts, and draining the contents.
Each sachet consists of a pair of compartments containing breeding colonies of predatory mites. The key advantages of this sachet design are:
- It is resistant to water, and so maintains the breeding population in good condition
- It does not have a hook, and in some crops is faster to distribute than standard, hooked, sachets
- Predatory mites are released onto the crop over several weeks, and can be introduced before the prey is present
When and where should you use it?
Apply the product to crops as soon as night-time temperatures reach 15°C, and daytime temperatures are higher than 20°C. It is well suited to use in crops grown in warm conditions. Earlier application, before temperatures are sufficiently high, can reduce or prevent establishment.
Establishment will be most rapid 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 give slower establishment, but the use of sachets to give continuous releases of mites over several weeks will improve the results.
How should you use it?
Individual Mini sachets are packed flat into boxes in units of 1000. To use the sachets, pick each sachet up with a finger and thumb at the central line. The twin compartments of the sachet should hang down from this central line, forming an inverted ‘V’ shape. Make sure that the printed face of the sachet is facing outwards, and that the un-printed face, on which the emergence holes are situated, is facing inwards. This ensures that water cannot enter the sachet.
Hang sachets into the crop at rates of 0.25 – 1/m². Mini sachets are suitable for use over the leaf petiole, or can be hung on crop wires amongst foliage.
Hooked sachets and mini sachets are also available for use in crops such as cucumbers and aubergines where there are no horizontal crop wires available for use with Mini sachets. Bugline swirskii is also recommended in cut flower crops where the continuous length of sachets encourages distribution of the mites within the crop. The Bugline system will also reduce the labour required to introduce the product to the crops.
When should you not use it?
Swirskiline as is not suitable for use in crops grown in cool conditions. There is minimal survival and no population growth at 15°C, and slow population growth at 18°C. Best results are obtained with temperatures between 20°C and 30°C. Swirskiline as should not be used as the sole means of control when whitefly populations are already very high, or when whitefly adults are invading the crop in large numbers. Swirskiline as is not suitable for use in tomato crops. Other controls will provide better value for control of thrips where whitefly are not present.
What will it do?
Used as directed, Swirskiline as will reduce populations of Bemisia tabaci and Trialeurodes vaporariorum and significantly improve crop quality in crops grown in warm conditions. If applied early enough, Swirskiline as may reduce or prevent whitefly infestation.
Application Rate = 1 per 6 Sq/Ft every six to eight weeks.
ALL ORDERS MUST BE RECEIVED BY NOON (MT. TIME)
THURSDAY TO SHIP THE FOLLOWING WEEK
swirskiis will be sent direct from the insectary
by NEXT Day Air ONLY!
Can NOT be sent by US Mail!
This item MUST be sent by Next Day Air ONLY direct from the insectary. If you select a lesser shipping method, we will upgrade it to the minimum level and your shipping charges will be adjusted.
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