Pesticide-induced mite outbreaks: pyrethroids and spider mites

Factors inducing outbreaks of spider mites (Acari: Tetranychidae) following use of pyrethroid insecticides are reviewed. Differentials in direct toxicity between spider mites and phytoseiid (Acari: Phytoseiidae) predators provide one explanation. Wide variation exists between pyrethroids in their di...

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Bibliographic Details
Published in:Experimental & applied acarology 1988-06, Vol.4 (3), p.265-276
Main Authors: Penman, D.R. (Lincoln Univ., Canterbury (New Zealand). Dept. of Entomology), Chapman, R.B
Format: Article
Language:English
Subjects:
Biological and medical sciences
CHEMICAL RESISTANCE
Control
Fundamental and applied biological sciences. Psychology
Generalities
INFESTACION
INFESTATION
PESTICIDE
PESTICIDES
Phytopathology. Animal pests. Plant and forest protection
Phytoseiidae
PIRETRINAS SINTETICAS
PLAGUICIDAS
Protozoa. Invertebrates
PYRETHRINE DE SYNTHESE
RESISTANCE AUX PRODUITS CHIMIQUES
RESISTENCIA QUIMICA
SYNTHETIC PYRETHRINS
TETRANYCHIDAE
Tetranychus urticae
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Summary:Factors inducing outbreaks of spider mites (Acari: Tetranychidae) following use of pyrethroid insecticides are reviewed. Differentials in direct toxicity between spider mites and phytoseiid (Acari: Phytoseiidae) predators provide one explanation. Wide variation exists between pyrethroids in their direct toxicity to Tetranychus urticae . The acaricidal action of pyrethroids is largely controlled by the amount of irritancy or repellency induced by the respective chemicals. Laboratory assays for repellency reflect field results. Repellent activity induces spider-mite dispersal to either recolonise plants free of residues or leave the treated habitat.
ISSN:0168-8162
1572-9702
DOI:10.1007/BF01196190