Survey of tarsonemid mites in greenhouse grown gerberas in The Netherlands

Abstract: Tarsonemus violae (Schaarschmidt) and the broad mite Polyphagotarsonemus latus(Banks) were found to be the main tarsonemid species in gerbera crops grown in greenhouses inThe Netherlands after examination of material collected by growers. Tarsonemus violae hasnever been described before as a pest in the Netherlands. Injuries were supposed to be assigned tothe cyclamen mite Phytodromus pallidus (Banks).