Category: Knowledge
Date published: April 03, 2020

Aphids and How to Protect Your Crop

Potato aphid Macrosiphum euphorbiae


Aphids have become a severe problem in the agricultural and horticultural sectors. As aphids are able to reproduce asexually and are notorious virus vectors, they have quickly become one of the most threatening greenhouse pests. For a long time, in crops where natural enemies had been released against other pests, aphids could be controlled effectively by means of selective chemical pesticides, with few adverse effects on biological controls. However, due to increased resistance to pesticides, biological control is becoming the preferred method of controlling these pests.

Foxglove aphid Aulacorthum solani damage on leaf

Overview of Aphid Plant Damage

Aphids excrete honeydew, which attracts mold. Mold not only spoils the crop, but reduces photosynthesis which can stunt growth and reproduction. Toxic substances can be transmitted into the plant.

As a result of their enormous reproductive capacity, aphid infestations develop rapidly. Koppert has developed multiple products to control aphids at all levels of infestation. Aphipar, Aphidius colemani, and Ervipar, Aphidius ervi, parasitic wasps are effective as preventative measures, as well as, controls in heavily infested areas. For extra support in heavily infested areas, Koppert produces several products for added control. These supplemental products are designed to work in conjunction with both Aphipar and Ervipar and allow for control in varying crops and climates.

Monitor Your Crop!

For biological pest control to succeed, crop monitoring is essential. Horiver and Rollertrap units ensure monitoring is efficient with regards to both time and cost.




  • Predatory wasp: Aphidoletes aphidimyza
  • Target: various aphid species
  • Packaging: each bottle contains black pupae mixed with wood fiber
    • 100 ml bottle, hatches up to 1,000 gallmidges
    • 100 ml bottle, hatches up to 2,000 gall-midges
    • 500 ml bottle, hatches up to 10,000 gall-midges



  • Predatory wasp: Aphidius colemani
  • Target: Cotton, tobacco, and peach potato aphids
  • Packaging: each bottle contains mummies mixed with wood-chips
    • 100ml bottle, hatches 500 parasitic wasps
    • 100ml bottle, hatches 1,000 parasitic wasps
    • 500ml bottle, hatches 5,000 parasitic wasps


  • Predatory wasp: Aphidius matricariae
  • Target: Tobacco and peach potato aphid
  • Packaging: each bottle contains mummies mixed with wood-chips
    • 100ml bottle, hatches 1,000 parasitic wasps
    • 250ml bottle, hatches 5,000 parasitic wasps


  • Predatory wasp: Chrysoperla carnea
  • Target: Various aphid species
  • Packaging: contain larvae (2nd stage) with buckwheat
    • 500ml bottle, 1,000 larvae
    • 6 liter buckets, 10,000 larvae


  • Predatory wasp: Aphidius ervi
  • Target: Potato, greenhouse potato, and tobacco aphids
  • Packaging: contains buckwheat
    • 100ml bottle containing 250 mummies
    • 100ml bottle containing 500 mummies
    • 1,000ml bottle containing 5,000 mummies

We're Here To Help

Beneficial insects are susceptible to chemical treatments and varying environmental and biological conditions. Contact your local Koppert consultant or visit our Contact page to discuss these solutions in more detail.

Additionally, visit our Side-Effects Database for compatibility of these solutions with chemicals.

Additional Information

  • For additional information regarding introduction rates visit the product's web page or contact a Koppert consultant.
  • Optimize scouting efforts with Koppert iPM, intelligent Pest Management. Learn more at