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An update of Cimex lectularius L. (Heteroptera: Cimicidae) distribution in Brazil: commercial and residential first record in Northeastern Brazil region

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Abstract

Bed bugs are of public health interest due to their high anthropophilia, with Cimex lectularius and Cimex hemipterus representing Cimicidae species of greatest relevance. In Brazil, infestations with C. lectularius have occurred in the south and southeast regions; however they have not yet been registered in the northeast. Thus, this work aimed to carry out a survey of the species of bed bugs in Rio Grande do Norte based on a historical analysis of service orders from pest control companies, and perform an active search for new infestations. The latter was conducted in areas with high touristic attractiveness in the cities of Natal and Parnamirim, such as host houses, public hostels, commercial areas and residences. A total of 125 specimens of C. lectularius were collected, representing the first record of the species in the northeast region of Brazil. For Natal, 91.7 % of infestations occurred in commercial areas and 8.3 % in residential areas. The only case registered in Parnamirim occurred in a residential area. In addition, no bed bugs were registered for host houses or hostels. Thus, our results demonstrate a possible geographical expansion of C. lectularius in northeast Brazil and indicate close relation of infestations to the tourism activities.

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The active collection complied with Brazilian law. Voucher specimens were deposited in the scientific collections of the Federal University of Rio Grande do Norte following standard procedures.

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Acknowledgements

We are grateful to the Stephen Doggett for the confirmation of the Cimex identification and the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) for the scholarships granted to Henrique R P Ferreira, to Jessica T Jales and the postdoctoral grant to Barbosa, TM.

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This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.

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Correspondence to Renata Antonaci Gama.

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de Lima, F.M.M., Ferreira, H.R.P., Jales, J.T. et al. An update of Cimex lectularius L. (Heteroptera: Cimicidae) distribution in Brazil: commercial and residential first record in Northeastern Brazil region. Int J Trop Insect Sci 41, 3241–3247 (2021). https://doi.org/10.1007/s42690-020-00409-z

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