First detections of Culiseta longiareolata (Diptera Culicidae) in Belgium and the Netherlands

Isra Deblauwe, Adolfo Ibanez-Justicia, Katrien De Wolf, Nathalie Smitz, Anna Schneider, Arjan Stroo, Frans Jacobs, Adwine Vanslembrouck, Sophie Gombeer, Wouter Dekoninck, Ruth Müller, Wim Van Bortel

Research output: Contribution to journalA1: Web of Science-articlepeer-review


Culiseta (Allotheobaldia) longiareolata (Macquart) (Diptera: Culicidae) is an ornithophilic mosquito species that occurs in the southern Palaearctic Region from the Azores to Central Asia, the Ethiopian Region, India, and Pakistan. Although it has a widespread distribution range, the species was only recently reported in Western and Central Europe. Between 2017 and 2020, larvae, pupae, and adults of Cs. longiareolata (n = 161) were found at 13 distinct locations in Belgium (n = 4) and The Netherlands (n = 9). Collected mosquitoes were morphologically identified and the identification was then validated by COI DNA barcoding. These are the first records of the species in the above-mentioned countries. The present results suggest that Cs. longiareolata could be increasing its distribution range in temperate regions, indicating a warming climate. As the species might be a potential vector of bird pathogens (e.g., West Nile virus), its spread in Western Europe is noteworthy.

Original languageEnglish
JournalJournal of Medical Entomology
Issue number6
Pages (from-to)2524-2532
Number of pages9
Publication statusPublished - 2021


  • new species record
  • DNA barcoding
  • mosquito surveillance
  • range expansion
  • climate change


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