Determination of the inheritance, cross‐resistance and detoxifying enzyme levels of a laboratory‐selected, spiromesifen‐resistant population of the predatory mite Neoseiulus californicus (Acari: Phytoseiidae)

BACKGROUND: Neoseiulus californicus of the family Phytoseiidae is an effective predatory mite species that is used to control pest mites. RESULTS: The LC₅₀ and LC₆₀ values of spiromesifen were determined on N. californicus using a leaf‐disc method and spraying tower. A laboratory selection populatio...

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Bibliographic Details
Published in:Pest management science 2014-05, Vol.70 (5), p.819-826
Main Authors: Yorulmaz‐Salman, Sibel, Ay, Recep
Format: Article
Language:English
Subjects:
Acari
Acaricides - pharmacology
Animals
Biological and medical sciences
Biological Control Agents
clofentezine
Control
crossing
cytochrome P-450
detoxification enzymes
Drug Synergism
enzyme activity
Enzymes
Female
Fundamental and applied biological sciences. Psychology
glutathione
hexythiazox
inheritance
Insecticide Resistance
Larva
lethal concentration 50
Male
Mites - drug effects
Mites - enzymology
Mites - genetics
Neoseiulus californicus
Pest control
Phytopathology. Animal pests. Plant and forest protection
Phytoseiidae
predatory mites
propargite
Protozoa. Invertebrates
resistance
resistance management
Resistance to control
Selection, Genetic
Spiro Compounds - pharmacology
spirodiclofen
spiromesifen
spraying
synergist
Termites
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Summary:BACKGROUND: Neoseiulus californicus of the family Phytoseiidae is an effective predatory mite species that is used to control pest mites. RESULTS: The LC₅₀ and LC₆₀ values of spiromesifen were determined on N. californicus using a leaf‐disc method and spraying tower. A laboratory selection population designated SPR13 was found to have a 52.08‐fold resistance to spiromesifen following 13 selection cycles. This population developed low resistance to hexythiazox and moderate cross‐resistance to propargite, clofentezine, spirodiclofen, etoxazole and milbemectin. PBO, IBP and DEM synergised resistance 3.75‐, 2.54‐ and 1.93‐fold respectively. Crossing experiments revealed that spiromesifen resistance in the SPR13 population was intermediately dominant and monogenic. In addition, detoxifying enzyme activities were increased 2.74‐fold for esterase, 3.09‐fold for glutathione S‐transferase and 2.17‐fold for cytochrome P450 monooxygenase in the SPR13 population. CONCLUSIONS: Selection for spiromesifen under laboratory conditions resulted in the development of spiromesifen resistance in the predatory mite N. californicus. Predatory mites that are resistant to pesticides are considered valuable for use in resistance management programmes within integrated pest control strategies. © 2013 Society of Chemical Industry
ISSN:1526-498X
1526-4998
DOI:10.1002/ps.3623