History and Objectives: Due to scattered reports and collecting of bedbugs from Kashan villages in the past years and due to effect of this pest on health, the present study was done in the Western villages of Kashan in 1998.

Materials and Methods: A descriptive study was conducted on houses to search of bedbug in 495 residential units in ten villages, that random samples were taken. The proof of infection was bedbug adult or nymphal instars in holes and cervices of wall and roof, under the signboard and pictures and paper hangings. The prevalence of infection was determined in the samples with 95% confidence of interval.

Results: From 495 houses, 33 units (6.7%) were infected with bedbug. Infection was allocated in Azarm, Wadeghan and Meragh villages. In the present study, Azarm, Wadeghan and Meragh infection were 20.4%, 13% and 11.6% respectively.

Conclusion: Due to the presence of bedbug infection in a number of villages, the present study is suggested further research ought to carry out in order to understand the underlying causes of infection.