Neoseiulus cucumeris - Release Instructions

Whats in the CucuLiv Tube?

Predator: Neoseiulus cucumeris – 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.

Size: 20K and 50K 

How to release N. cucumeris: 

  • 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

Can you store N. cucumeris?

We recommend releasing the predators immediately upon arrival.

If storage is necessary cucumeris 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: Storing predatory mites accumulates 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 fast moving mites crawling from the pile. You may need a 10x lens to see the mites.

How to promote establishment?

Temp and humidity: Cucumeris prefers a cool and humid environment (18°C - 24°C and over 70% RH).

Supplementary food: feeder mites, bug feed

How to spot N. cucumeris after releasing?

Cucumeris is a tiny mite with an oblong body that’s slightly translucent. To spot cucumeris after releasing it in the crop, check the underside of leaves near the veins and hairs with a 10x lense. You should see its eggs laid there. 

To measure effectiveness, mark the hot spots of thrips and routinely monitor the population of the pest.

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