Pollen on-twine for food provisioning and oviposition of predatory mites in protected crops

Einat Adar, Moshe Inbar, Shira Gal, Samuel Gan-Mor, Eric Palevsky

Research output: Contribution to journalArticlepeer-review


The establishment of predatory mites on protected crops is affected by the availability of shelter and alternative food. We suggest that a pollen covered twine, coined here "pollen on-twine", may provide these necessities when attached to the plant. We evaluated the effect of twine types and two pollen species on the establishment of Euseius scutalis (Athias-Henriot) and Amblyseius swirskii Athias-Henriot on pre-flowering pepper plants in a growth chamber. For both phytoseiids, rayon jute twine was found more beneficial while corn and oak pollen did not differ in their effect. Though populations of both predators were best promoted when twine and pollen were applied separately, E. scutalis population increased by more than tenfold and A. swirskii doubled when plants were applied with pollen on-twine. We propose that after further refining, pollen on-twine can serve as a feasible solution for predatory mite establishment on protected crops.

Original languageEnglish
Pages (from-to)307-317
Number of pages11
Issue number3
StatePublished - Jun 2014


  • Amblyseius swirskii
  • Biological control
  • Conservation
  • Euseius scutalis
  • Natural enemies
  • Phytoseiidae

ASJC Scopus subject areas

  • Agronomy and Crop Science
  • Insect Science


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