Article

Experimental & Applied Acarology

, Volume 38, Issue 4, pp 243-253

Anatomical Injury Induced by the Eriophyid Mite Aceria anthocoptes on the Leaves of Cirsium arvense

  • Dragana RancicAffiliated withDepartment of Botany, Faculty of Agriculture, University of Belgrade
  • , Branka StevanovicAffiliated withFaculty of Biology, Botanical Institute and Garden, University of Belgrade
  • , Radmila PetanovićAffiliated withDepartment of Entomology, Faculty of Agriculture, University of Belgrade
  • , Biljana MagudAffiliated withDepartment of Entomology, Faculty of Agriculture, University of Belgrade
  • , Ivo TosevskiAffiliated withCABI Bioscience Switzerland Centre
  • , André GassmannAffiliated withCABI Bioscience Switzerland Centre Email author 

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Abstract

Anatomical injury of the leaves of the invasive species, Cirsium arvense (L.) Scop., caused by the eriophyid mite Aceria anthocoptes (Nal.), which is the only eriophyid mite that has been recorded on C. arvense worldwide, is described. The injury induced by the mite feeding on the leaves of C. arvense results in visible russeting and bronzing of the leaves. Other conspicuous deformations are folding and distortion of the leaf blade and curling of leaf edge, as well as gradual drying of leaves. The anatomical injury of the mature leaves of field-collected plants was limited to the epidermis of the lower leaf surface. However, on young leaves of experimentally infested plants, rust mite injuries extend to epidermal cells on both leaf surfaces and to those of deeper mesophyll layers. On these leaves, lesions on the lower leaf surface even affected the phloem of the vascular bundles. Leaf damage induced by A. anthocoptes is discussed with regard to the mite’s potential as a biological control agent of C. arvense.

Keywords

Aceria anthocoptes Anatomical leaf injury Biological control Canada thistle Cirsium arvense Eriophyid mite