Cabbage stem flea beetle's (Psylliodes chrysocephala L.) susceptibility to pyrethroids and tolerance to thiacloprid in the Czech Republic

The cabbage stem flea beetle (CSFB), Psylliodes chrysocephala (Coleoptera: Chrysomelidae), has recently become a major pest species in winter oilseed rape in the Czech Republic. The susceptibility of CSFB populations from two localities to six pyrethroids, two neonicotinoids, one organophosphate and...

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Bibliographic Details
Published in:PloS one 2019-09, Vol.14 (9), p.e0214702
Main Authors: Stará, Jitka, Kocourek, František
Format: Article
Language:English
Subjects:
Animals
Beetles
Bioassays
Biology and Life Sciences
Brassica - parasitology
Chlorpyrifos
Coleoptera - drug effects
Coleoptera - pathogenicity
Control
Cyhalothrin
Cypermethrin
Deltamethrin
Enzyme inhibitors
Experiments
Feeding
Flea beetles
Fleas
Fluvalinate
Glass
Insecticide Resistance
Insecticides
Insecticides - toxicity
Neonicotinoid insecticides
Neonicotinoids - toxicity
Oilseeds
Organophosphates
People and places
Pest resistance
Pesticides
Physical Sciences
Populations
Psylliodes
Pyrethrins - toxicity
Pyrethroids
Rape plants
Rapeseed
Seeds
Thiacloprid
Thiamethoxam
Thiazines - toxicity
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Summary:The cabbage stem flea beetle (CSFB), Psylliodes chrysocephala (Coleoptera: Chrysomelidae), has recently become a major pest species in winter oilseed rape in the Czech Republic. The susceptibility of CSFB populations from two localities to six pyrethroids, two neonicotinoids, one organophosphate and one oxadiazine was evaluated in 2015-2018 in glass vial experiments. The susceptibility of CSFB to thiacloprid and thiamethoxam was evaluated in feeding experiment in 2017 and 2018. High susceptibility of CSFB populations to lambda-cyhalothrin, cypermethrin, esfenvalerate, tau-fluvalinate, etofenprox, deltamethrin, chlorpyrifos, indoxacarb and acetamiprid was observed in the glass vial experiments. The LC50 and LC90 data obtained for pyrethroids in these experiments in 2015 represent baseline for CSFB resistance monitoring to pyrethroids in the Czech Republic. High tolerance of CSFB to thiacloprid of CSFB was demonstrated in glass vial and the feeding experiment, too.
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0214702