EN-STRIP: Encarsia formosa pupae on cards


Starting at: $36.90

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Quantity Discounts Available Packaging: on Cards





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Target : Glasshouse whitefly (Trialeurodes vaporariorum) and tobacco whitefly (Bemisia tabaci) in the third and fourth larval stage. Preference for the glasshouse whitefly. EN-STRIP is a small (1/2mm) but effective parasitic wasp (Encarcia formosa) that targets the larva of the common whitefly and to some extent the tobacco / sweetpotato / silverleaf whitefly. ENSTRIP comes to you as small cards with attached pupae. You simply hang the cards directly on the plants that are effected by whitefly or on plants that you want to keep whitefly away from. Apply at a minimum rate of one wasp per square foot.

Introduction

  • 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

Environmental conditions:  The 24 hour average temperature in the greenhouse should be at least 17°C/63°F. At lower temperatures it is recommended to use the cards with half the amount of pupae.

Storage and handling

  • storage after receipt: maximum 1-2 days
  • storage temperature: 8-10°C/47-50°F
  • in the dark

Remarks

  • the black (empty) pupae remain on the card after hatching
  • intensive deleafing (in tomatoes) hinders the population build up of whitefly parasites

Appearance

  • Female adults: size ± 0.6 mm, black head, black thorax, yellow abdomen
  • Other stages: develop inside host

Mode of action:  Female adult parasitic wasp parasitizes the larva of the whitefly. Host feeding also takes place.

Visual effect:  After 2-3 weeks, the first parasitized pupae can be seen in the crop. Parasitized pupae of Trialeurodes vaporariorum and Bemisia tabaci turn black and light brown in colour respectively. The adult parasitic wasp emerges from the pupa through a round hole.

Important!  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. Your local Koppert consultant will be able to advise you further.

Unit of packaging:

  • 10 cardboard strips, hatching 3,000 parasitic wasps

  • 50 cardboard strips, hatching 15,000 parasitic wasps

EN-STRIP

rate

interval (days)

frequency

remark

preventive

1½-3/m²

7-14

-

-

curative light

3-6/m²

7

min. 3x

release until control is achieved

curative heavy

9/m²

7

min. 3x

release until control is achieved

All times are Pacific Time Zone
Holiday Shipping Schedules apply to all products.

From Koppert's East and West coast shipping points:

  • Orders processed by Thursday, 10:30 AM, will ship the following Monday or Tuesday
    • Next Day Air or 2nd Day method when location and conditions allow
  • Orders processed by Monday, 10:30 AM, will ship on Thursday
    • MUST ship by Next Day Air
  • Please note:  If you select a 2nd Day shipping method at checkout, your order will be scheduled to ship the following Monday or Tuesday.
Koppert Shipping Schedule

Will Call pick-up on Friday's at Everwood Farm (flat rate shipping):

  • You must have an active Account to use this method.  Contact Us for details.
  • Orders must be processed by Thursday, 10:00 AM, for pickup the following Thursday
  • Model: EN-STRIP
  • Manufactured by: Koppert: Cool Box

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