Resurgence of Bed Bugs (Hemiptera: Cimicidae) in Mainland China
Abstract
Bed bugs were common pests worldwide before World War II. They were almost completely eradicated in many countries by good hygienic conditions and application of insecticides. These pests are currently reemerging in many developed countries. We conducted a literature review and an internet search using the key word, bed bugs, to evaluate the status of bed bug resurgence in China. The results showed that the occurrence of bed bugs dramatically increased from 4 reports in 2007 to 67 in 2012. Bed bug infestations were reported from 23 provinces of China, with the most severe infestations occurring in Guangdong Province. Bed bugs were reported to commonly invade dormitories, private homes, rented houses, and public transportation facilities. Based on internet reports, about half of the people bitten by bed bugs claimed to have developed clinical reactions, and approximately 5% required medical treatment. This study demonstrates that China also has undergone a bed bug resurgence, which should be addressed by the multidisciplinary actions involving both governments and the public.Los chinches de cama eran una plaga común por todo el mundo antes de la Segunda Guerra Mundial. Tras ésta, la plaga fue prácticamente erradicada en muchos países debido a unas condiciones higiénicas adecuadas y a la aplicación de insecticidas. En la actualidad, estos insectos están resurgiendo en muchos países desarrollados. Para conocer la situación en China de esta plaga se ha realizado una revisión bibliográfica y una búsqueda en Internet utilizando como palabra clave, “bed bugs”. Los resultados obtenidos mostraron que la presencia de chinches ha aumentado drásticamente, de 4 informes encontrados en el año 2007 a 67 en el 2012. Estas infestaciones de chinches de cama se registraron en 23 provincias de China, dándose la infestación más grave en la provincia de Guangdong. Los chinches de cama fueron mayoritariamente encontrados en dormitorios, casas particulares, casas de alquiler y en servicios de transporte público. Según los informes encontrados en Internet, alrededor de la mitad de las personas picadas por estos insectos afirmaron haber desarrollado reacciones clínicas y aproximadamente el 5% requirió de tratamiento médico. Este estudio demuestra que China también ha experimentado un resurgimiento de chinches de cama, que debería ser abordado mediante acciones multidisciplinares que involucren tanto a los gobiernos como al público.
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