Bedbugs have been man's faithful companions from his cave days to the present time. After World War II, improvements in household and personal cleanliness and above all widespread use of insecticidal treatment led to a decline in the prevalence of bedbugs so that they became almost unknown to populations in industrialized countries. However in recent years a resurgence of bedbugs has been reported in North America as well as in most European countries. The purpose of this study is to provide an update on the comeback of bedbugs in France and the world, to discuss their impact on public health, and to consider possible causes for the current resurgence.
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J Med Entomol
January 2025
Department of Entomology, Plant Pathology and Weed Science, New Mexico State University, Las Cruces, NM 88003, USA.
In recent decades, the common and the tropical bed bugs have experienced a resurgence in many parts of the world. The evolution of insecticide resistance in bed bug populations is considered a significant factor contributing to this resurgence. We analyzed samples of Cimex lectularius L.
View Article and Find Full Text PDFCells
December 2024
Department of Biological Sciences, Simon Fraser University, Burnaby, BC V5A 1S6, Canada.
The hemoflagellate parasite is transmitted by triatomine kissing bugs and may co-infect humans together with its Chagas disease-causing congener . Using real-time quantitative polymerase chain reaction (RT-qPCR) and antimicrobial assays, we studied () the temporal and spatial distribution of in common bed bugs, , following oral ingestion and hemocoelic injection of and () the immune responses of bed bugs induced by infections. Irrespective of infection mode, no live were present in the bed bugs' hemolymph, salivary glands, or feces.
View Article and Find Full Text PDFPLoS One
January 2025
Department of Entomology and Plant Pathology, North Carolina State University, Raleigh, North Carolina, United States of America.
Vector control is essential for eliminating malaria, a vector-borne parasitic disease responsible for over half a million deaths annually. Success of vector control programs hinges on community acceptance of products like long-lasting insecticide-treated nets (LLINs). Communities in malaria-endemic regions often link LLIN efficacy to their ability to control indoor pests such as bed bugs (Cimex lectularius L.
View Article and Find Full Text PDFSci Rep
November 2024
Institut Hospitalo-Universitaire Méditerranée Infection, 19-21 Boulevard Jean Moulin, 13385, Marseille Cedex 05, France.
Over the last two decades, an increase in bed bug infestations has been observed worldwide. Although their definitive role as vectors of infectious agents has not yet been demonstrated, bed bugs have a direct effect on human health through dermatological reactions to their bites and psychological disorders linked to domestic infestations. In this study, the effectiveness of using MALDI-TOF MS to correctly identify these two bed bug species at immature stages was assessed, as well as it effectiveness as discriminating between the immature stages (IS) of C.
View Article and Find Full Text PDFParasit Vectors
October 2024
Department of Tropical Medicine and Parasitology, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea.
Background: The resurgence of two bed bug species, the common bed bug (Cimex lectularius Linnaeus, 1758) and tropical bed bug (Cimex hemipterus Fabricius, 1803), in the same geographical regions has been frequently reported recently. Consequently, the rapid identification of these species is crucial for implementing targeted capture traps and tailored pyrethroid resistance diagnosis, due to differences in genetic and physiological traits.
Methods: To develop molecular diagnostic methods, distinct protocols were established for multiplex PCR and loop-mediated isothermal amplification (LAMP) using species-specific primers based on species-specific segments of internal transcribed spacer 2 sequences.
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