Diglyphus isea

MIGLYPHUS: 500 Diglyphus isaea adults per bottle


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Parasitic wasp Diglyphus isaea target  Leaf miners in all larval stages, preferably the second and third stage and warmer climates.  Diglyphus isaea is an ectoparasite, which means that it lays eggs beside the host. It can parasitize many species of leaf miner. In order to produce eggs it punctures mainly larvae, to feed on their body fluids. Once parasitized by the wasp, the leaf miner stops feeding. Diglyphus lays its eggs alongside the paralyzed leaf miner larva. When the larva hatches, it punctures the leaf miner and sucks out its body fluids. As a result the leaf miner larva dies. Diglyphus immediately starts to search for leaf miners to parasitize.

Unit of packaging:  Pack size: 500 Diglyphus isaea adults per bottle

Introduction: Release parasitic wasps between leaves in the morning or in the evening

Environmental conditions: Diglyphus isaea is recommended when leaf miner infection increases.  Intended for warmer climates.

Storage and handling

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


  • Adults Diglyphus: size 2-3 mm, metallic green, short antennae
  • Other stages: develop near host

Mode of action:  Female adult parasitic wasp of Diglyphus isaea kills leaf-miner larva in the mine and lays an egg on it. The egg develops into a parasitic wasp inside the mine (but outside the leaf miner), using the dead larva as food. Host-feeding also takes place.

Visual effect: Two weeks after introduction it is possible to see parasitization. The presence of Diglyphus isaea is recognized by short/stopped mines containing a dead larva. Pupae of Diglyphus isaea can be seen when holding leaves up to the light.

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: MIGLYPHUS_2922
  • Shipping Weight: 0.5lbs
  • Manufactured by: Koppert: Cool Box


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