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Title: Early evidence of establishment of the tropical bedbug ( Cimex hemipterus ) in Central Europe

In recent decades, the world has witnessed a remarkable resurgence of bedbugs (Hemiptera: Cimicidae). Although populations of the common bedbug,Cimex lectulariusL., expanded in temperate regions of its original distribution, the tropical bedbug,C. hemipterus(F.), increased its abundance in warmer regions, where it also had been historically distributed. However,C. hemipterushas recently been observed to be expanding to other areas, e.g. North Australia, Middle East, the United States and Russia. In other parts of Europe, few sporadic and ephemeral introductions ofC. hemipteruswere recorded until recently. We conducted an extensive sampling of European bedbug populations starting in 2002 and found thatC. hemipterushas recently become locally established. Among 566 examined infestations, nearly all of which involvedC. lectularius,C. hemipterusoccurred in six infestations collected since 2019. In at least three cases, the social background of inhabitants of the infested properties indicated that tropical bedbugs likely spread within local communities. Using cytochrome oxidase subunit I, we linked five of the infestations to the most common haplotype found globally, and one to an African haplotype. In all infestations, we observed twokdr‐associated mutations in the sodium channel gene, which are also commonly found across the world.

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Journal Name:
Medical and Veterinary Entomology
Page Range / eLocation ID:
p. 462-467
Medium: X
Sponsoring Org:
National Science Foundation
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