Behavioral effects of sublethal exposure to a combination of β-cyfluthrin and imidacloprid in the bed bug, Cimex lectularius L
| Autor: | Jennifer R. Gordon, Sydney E. Crawley, Kenneth F. Haynes, Katelyn A Kowles, Michael F. Potter |
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| Rok vydání: | 2016 |
| Předmět: |
0106 biological sciences
Male Bedbugs Insecticides 030231 tropical medicine Cyfluthrin 01 natural sciences Pheromones Toxicology Insecticide Resistance 03 medical and health sciences chemistry.chemical_compound Neonicotinoids 0302 clinical medicine Bed bug Imidacloprid parasitic diseases Nitriles Pyrethrins medicine Animals Pyrethroid biology business.industry Chemotaxis fungi Neonicotinoid Pest control Imidazoles General Medicine Feeding Behavior medicine.disease biology.organism_classification Nitro Compounds 010602 entomology chemistry Insect Science Female business Cimex lectularius Agronomy and Crop Science Locomotion |
| Zdroj: | Pest management science. 73(3) |
| ISSN: | 1526-4998 |
| Popis: | BACKGROUND Bed bugs (Cimex lectularius) are blood-feeding insect pests with public health relevance. Their rapid evolution of resistance to pyrethroids has prompted a shift to combination products that include both a pyrethroid and neonicotinoid insecticide. Insecticides have both a direct impact on mortality and an indirect effect on behavior. Thus, we assessed the sublethal effects of a widely used combination product containing β-cyfluthrin (a pyrethroid) and imidacloprid (a neonicotinoid), as unexpected behavioral changes after exposure have been known to affect efficacy of insecticides. RESULTS We found that bed bugs exposed to sublethal doses of a combination product containing β-cyfluthrin and imidacloprid did not feed as effectively as untreated bugs. Their locomotion behavior was also reduced. However, aggregation in response to the presence of conspecific harborages was not affected by sublethal exposure. CONCLUSION Bed bugs exhibit behavioral changes after sublethal exposure to a combination product that could affect pest management choices and outcomes. A reduction in host-finding efficiency and feeding could complement the lethal effects of the insecticide. Alternatively, reduced locomotion following exposure could limit ongoing contact with insecticide deposits. However, an overall reduction in movement indicates that treatments are unlikely to cause dispersal of bugs to adjacent dwellings. © 2016 Society of Chemical Industry. |
| Databáze: | OpenAIRE |
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