Amblyseius cucumeris is an excellent and economical predator of many types of mites and thrips, especially westren flower thrip (WFT). It can also feed on pollen when other food supply is not available, making it a great long-term preventative measure. It prefers immature stages of thrips and can kill about 30 thrip larvae in its lifetime, consumption can be lower or higher depending on the temperature and humidity of the environment. A complete life cycle takes about 10-12 days, newly hatched larvae do not feed till they molt at 2 days old, they feed for another 6-7 days as larva and then turn into adults. They live for up to 30 days as adults, during which the females lay 1-2 eggs per day. Cucumeris is non-diapausing in greenhouses since shorter days and climate change does not affect it, however, if cucumeris is used outdoors it will diapause in winter climates.

Release as soon as possible, preferably in the evening when the temperature is cooler and light is low. Release rate varies considerably depending on the crop, infestation level and season of the year. This is just a general release rate, please contact us here to create an IPM program that works for you.

CucuLiv 50K (Cucumeris mites) Mixed Population
Amount: 
50,000
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Cucumeris

Scouting:

Pesticide and Other Controls:

Use of pesticide, wetting agents, and spreader-stickers can cause mortality in Cucumeris population. Broad spectrum and systemic insecticides are toxic to Cucumeris and will kill its population. However, some insecticides and fungicides can be used with Cucumeris. Please check the side effect charts of chemical sprays carefully to confirm they will not harm the predator. If you have more question please contact us for a free consultation by one of our Ph.D. entomologist. We would love to help.

Cucumeris are tiny, tan, and pear-shaped mites. They look very similar to other predatory mites such as A. swirskii, A. californicus, A. andersoni and A. fallacis. To examine the presence of Cucumeris in the crops tap plants or flowers over a piece of paper or white tray, inspect with a magnifying glass. Scouts may also look under leaves (near the veins and hairs) with a magnifying glass to find cucumeris eggs. If you are using more than one type of predatory mite differentiating between the two is very difficult unless you are a taxonomist. For beginners, we suggest monitoring thrip levels at release points instead of Cucumeris to observe the predators level of establishment in the crops.

  • If using Persimilis to control Spider mite, avoid excessive application of Cucumeris in that area. Cucumeris feeds on Spider mite eggs and can reduce the food supply for Persimilis larvae thus reducing its impact.

Ideal Environment:

Tips and Tricks:

Release Rates and Tips:

Cucumeris thrives at a temperature range of 18-26 and 65-72% RH. It does not perform well in very high temperatures (over 33ºC), thus we suggest using Cucumeris in spring and early summer and then switching to swirskii in late summer for best results. It can be used in many different environments such as outdoor fields, greenhouses, hydroponics, interiorscapes, container plants and much more

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