During the last years, the investigators were the witness to the increase of a old emerging pest due to bed bugs (Cimex lectularius) in the world. Insecticides resistances apparitions and internationals transports increases seem to be the reasons of the pest. Cimex lectularius as vector of parasites, bacteria or virus was often suggested although not much observation are recently investigated in France. This study intends to examine the vectorial ability and the direct pathogenicity of Cimex lectularius.

Inclusion Criteria:

• On the site of takings presence of insects and eggs evoking bedbugs of beds. The identification of certainty will be made in the laboratory. All the insects not apartment to the family of Cimicidae (Criterion of exclusion) are thrown(cast) in trash cans of laboratories for organic products.
• voluntary Patients after reading of the information sheet and the signature of the consent
• Membership of the patient in the national insurance scheme

Exclusion Criteria

• On the site of takings absence of insects and eggs evoking bedbugs of beds
• During the identification of certainty in the laboratory, the captured insects do not make parties of the family of Cimicidae
• The subjects deprived of freedom.
• Patients cancelling their consent.
• Patients violating the protocol of search(research)