Investigation of infestation and disposal of bedbugs in Shanghai
Journal Title: Shanghai Journal of Preventive Medicine - Year 2024, Vol 36, Issue 5
Abstract
Objective To investigate the infestation and disposal of bedbugs in Shanghai， and provide scientific evidence for comprehensive prevention and control of bedbugs.Methods A questionnaire survey was conducted in the pest control operations （PCOs） of Shanghai Association for Health Promotion to investigate the infestation and disposal of bedbugs. The questionnaire included basic information of the unit， bedbug disposal experience， type of environment of bedbug infestation， main disposal site， main treatment method， main drug and formulation， and evaluation of the disposal. Chi-square test was used for comparison between groups.Results Of the 116 PCOs， 78 （67.24%） had conducted bedbug disposal， and 29.49% had conducted the disposal no less than 5 times in the past three years. The main types of environment of bedbug infestation were dormitories （46.96%）， hotels （18.78%）， and households （20.44%）. Additionally， bedbug infestation was found in nursing homes， prisons and detention centers， and transport vehicles. Bed frame/bed board/mattress （32.42%） was the main site of bedbug infestation， followed by mat （19.63%）. Chemical spraying was the most common method for bedbug disposal （98.72%）， followed by high-temperature steam （11.54%）. The main drug used in chemical spraying were pyrethroids （69.23%）， nicotinoids （60.26%） and organophosphorus （42.31%）， for which the main formulation were suspended insecticides （55.13%）， followed by wettable powders （43.59%） and emulsifiers （43.59%）. Furthermore， 89.74% of the PCOs performed the assessment after disposal， in which the control effect was generally satisfactory.Conclusion Bedbug infestation is relatively common in Shanghai. Dormitories， hotels and households are places where bedbug infestation is more likely to occur. Bed frame， bed board and mattress are the most vulnerable sites to bedbug infestation. Combination of physical and chemical methods should be used for disposal of bedbug infestation.
Authors and Affiliations
LIU Rui,FAN Mingqiu,YAO Junyi,LIU Hongxia,CHEN Jian,
Keywords
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