Koppert Enermix (Encarsia formosa and Eretmocerus eremicus)

Koppert Enermix (Encarsia formosa and Eretmocerus eremicus)

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Product Overview

The Koppert Enermix contains parasitic wasps that eliminates glasshouse and tobacco whiteflies. The wasps cards are best used to prevent unwanted pests on crops during warmer season when pests are most active or when unable to correctly identify type of whitefly. It features two mode of actions, host feeding and wasps living in the larva of the whitefly. The Farmosa are less susceptible to pesticides compared to Erermocerus eremicus, making it more effective. The product is used on crops in the second to fourth larval stage.

Koppert Enermix is available in two sizes:

  • The small pack contains 3,000 Eremocerus eremicus (parasitic wasps) on 50 cards, 60 wasps per card.
  • The large pack contains 15,000 Eremocerus eremicus (parasitic wasps) on 250 cards, 60 wasps per card.


How-to Video

Features and Specs

Active Ingredient Encarsia formosa and Eretmocerus eremicus
Target pests Glasshouse whitefly and tobacco whitefly
For use in Preventing spread of whiteflies on crops
Application Cards must be suspended in the crop, approximately 75 cm if possible under plant head and not in direct sunlight.
Shelf Life Storage after receipt: 1-2 days.
Color Eretmocerus eremicus lemon yellow, brownish yellow
Encarsia Formosa black, yellow
Parts Included 50 cards
Shipping Weight 1.00 lbs
Manufacturer Koppert Biological Systems (Mfg. Number: 236)


How-to Video


The introduction rates of this product should be adjusted to the mode of action of the product and the results that can be expected in the crop where the product is applied. Only use products that are permitted in you country / state and crop. Check local registration requirements.

Storage and handling:

Biological beneficials have a very short life expectancy and therefore need to be introduced into the crop as soon as possible after receipt. Storing them for a period can have a negative impact on their quality and is only possible under the conditions described below. Koppert B.V. is not liable for any loss of quality if the product is stored for longer than recommended and/or under incorrect conditions.

  • Storage after receipt: 1-2 days
  • Storage temperature: 47-50F (8-10C)
  • In the dark


  • Open package carefully inside the greenhouse
  • Bend strips and tear off. Start tearing opposite hang-up hole
  • Suspend the cards in the crop, if possible approximately 75 cm under plant head, not in direct sunlight
  • Do not touch the pupae

Visual effect:

After about 2 weeks, the first parasitized pupae can be seen in the crop. The parasitized whitefly pupa turns yellow or black in colour dependent of the combination parasite/host. The adult parasitic wasp emerges from the pupa through a round hole.


Eretmocerus eremicus

  • Female adults: lemon-yellow
  • Male adults: brownish-yellow, thick antennae
  • Other stages: develop inside host

Encarsia formosa

  • Female adults: black head, black thorax, yellow abdomen
  • Male adults: hardly appear
  • Other stages: develop inside host

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