Co-occurring complexes of phytoseiid and gall-forming eriophyoid mites on broad-leaved trees in Türkiye

Abstract: Eriophyoid mites are extremely small and highly host-specific phytophages. Most of
the known species are vagrant and they cause little obvious damage, but some gall-forming
species are major pests of food plants. Phytoseiid mites are predators that are commonly used
for the control of pest mites on crops. To better understand the natural control of gall-forming eriophyoids, this study surveyed the co-occurring complexes of phytoseiid and gall-forming eriophyoid mites on the walnut tree, Juglans regia, and on two other genera of tree species, Salix and Fraxinus, which are commonly encountered in forests, rural landscapes and parks in Türkiye. The phytoseiids, Neoseiulus insularis, Euseius finlandicus, Typhlodromus (Anthoseius) bagdasarjani and Neoseiulus spp., and the gall-forming eriophyoid species, Stenacis triradiatus, Aculus tetanothrix, Aceria salicina, Aceria fraxinivora, Aceria tristriatus and Aceria erinea, were found in various co-occurring complexes on the host plants.