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Corresponding author: Ignacio Ruiz-Arrondo ( irarrondo@riojasalud.es ) Academic editor: Gunnar Kvifte
© 2022 Daniel Bravo-Barriga, Ignacio Ruiz-Arrondo, Rosa Estrada Peña, Javier Lucientes, Sarah Delacour-Estrella.
This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Citation:
Bravo-Barriga D, Ruiz-Arrondo I, Peña RE, Lucientes J, Delacour-Estrella S (2022) Phlebotomine sand flies (Diptera, Psychodidae) from Spain: an updated checklist and extended distributions. ZooKeys 1106: 81-99. https://doi.org/10.3897/zookeys.1106.81432
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Phlebotomine sand flies (Diptera: Psychodidae) are the natural vectors of Leishmania spp. (Kinetoplastida: Trypanosomatidae) and phleboviruses (Bunyavirales: Phenuiviridae). In Spain, these vectors appear to be increasing their geographical distribution and have serious repercussions on public and veterinary health, encouraging studies of sand flies and their associated pathogens. An up-to-date and easily accessible compendium of current and historical data on their presence and detailed distribution is a crucial step towards the development and implementation of appropriate preventive strategies. A checklist on the presence and distribution of sand flies in Spain is compiled from data extracted from a comprehensive review of scientific literature published between 1909 and 2021 and our new records on the presence of sand flies specimens collected under the entomological surveillance of bluetongue vectors from the Spanish Ministry of Agriculture, Fishery and Food (MAPA) during the period 2004–2021. In total, 13 Spanish species of sand flies (two of them with controversial status) belonging to two genera and six subgenera are presented in this updated checklist, including new distribution data for seven species, among which several stand out as confirmed or suspected vectors of Leishmania infantum: Phlebotomus ariasi, Ph. langeroni, Ph. mascittii, and Ph. perniciosus.
Catalogue, Leishmania, phlebovirus, Phlebotomus, sand fly–borne viruses, Sergentomyia, spatial distribution, taxonomy
Phlebotomine sand flies are a major public and veterinary health concern due to their haematophagous habits that allow these insects to be natural vectors of Leishmania spp. (Kinetoplastida: Trypanosomatidae), arboviruses (phlebovirus, vesiculovirus, and orbivirus) (
The first report of sand flies in Spain dates back to 1909 (
Most of the studies on the presence and phenology of sand flies in Spain are concentrated between the 1970s to 1990s, where authors such as Francisco Morillas-Márquez (
In recent years, further investigations have been initiated mainly focusing on the role of these insects as vectors of Leishmania spp. and phleboviruses (
The aim of this study is to update the list of sand flies present in Spain by compiling the distribution records by provinces contained in the bibliography, and to increase the information by adding our own entomological results carried out between 2004 and 2021 in all Spanish regions based on collections from the MAPA. The updated data provided will be useful for the design of new research, surveillance, and vector control programmes as well as the assessment of the risk of pathogens transmission by sand flies in Spain.
Knowledge of the distribution of Spanish sand fly species has been synthesised from two sources:
Some earlier materials that were difficult to obtain were provided courtesy of an exchange between experts. The retrieved papers form the basis for the checklist which was used to confirm species records and are thus dependent on the quality of the identification made by the authors at the time of publication of the record. The bibliographic references associated with each species recorded for Spain are presented in Suppl. material
The surveillance data presented here are based on the analysis of 1179 sample points belonging to 1040 municipalities between 2004 and 2021 from almost all Spanish provinces except the autonomous cities Ceuta and Melilla. All islands of the Balearic Archipelago (Mallorca, Menorca, Ibiza, and Formentera) are considered as a single province; however, we do indicate the sand fly species when they are recorded for the first time in a specific island.
Each collection site was georeferenced using a Garmin GPS 12 Global Position Device with geographical coordinate system (EPSG: 23030-ED50/UTM zone 30N). CDC-UV traps (Miniature Blacklight trap 1212, John W. Hock Company, Gainesville, FL, USA) were placed overnight once a week throughout the year long in a variable number of animal holdings composed mainly of sheep, goats, and cattle. These traps collect not only Culicoides but also many other insects that exhibit a positive phototropism such as sand flies and mosquitoes, among others.
Captured specimens were stored in 70% ethanol and morphological identification was carried out following the characters described by
The species included in this list are ordered alphabetically by subfamily, genus, and subgenus. Species names include authorities and year (Table
Checklist of sand flies species recorded in Spain, classified by genus and subgenus.
Genus | Subgenus | Species | Author/Year |
---|---|---|---|
Phlebotomus | Abonnencius | fortunatarum* | Úbeda Ontiveros, Morillas-Márquez, Guevara Benítez, López Roman & Cutillas Barrios, 1982 |
Larroussius | ariasi | Tonnoir, 1921 | |
langeroni | Nitzulescu, 1930 | ||
longicuspis* | Nitzulescu, 1930 | ||
perniciosus | Newstead, 1911 | ||
Paraphlebotomus | alexandri | Sinton, 1928 | |
chabaudi | Croset, Abonnenc & Rioux, 1970 | ||
riouxi * | Depaquit, Killick-Kendrick & Léger, 1998 | ||
sergenti | Parrot, 1917 | ||
Phlebotomus | papatasi | (Scopoli, 1786) | |
Transphlebotomus | mascittii* | Grassi, 1908 | |
Sergentomyia | Sergentomyia | fallax | (Parrot, 1921) |
minuta | (Rondani, 1843) |
The distribution maps of each species have been made at province level (NUTS3) using the software QGIS Geographic Information System, version 3.22.0 (2021). The reference coordinate system established in the work was EPSG:4258-ETRS89. QGIS Association, http://www.qgis.org. (Figs
Each figure shows the origin of the knowledge of the distribution of each species:
From the comprehensive bibliography reviewed, a total of 13 sand fly species have been reported in Spain (Table
As a result of sand fly data collected between 2004 to 2021 as part of the entomological surveillance programme of Culicoides biting midges in Spain we record seven species of sand flies for the first time in some Spanish provinces, listed as follows. The distribution of the main Leishmania vectors is widened in five provinces for Ph. perniciosus (Fig.
I. Phlebotomus fortunatarum is an endemic species from the Canary Islands (Spain), which was described for the first time in Gran Canaria island in 1982 (
II. Phlebotomus longicuspis was first described in Tunisia as a variety of Ph. langeroni and was elevated to species status by
III. Phlebotomus riouxi was first described by
IV. Phlebotomus mascittii was first detected in the early 1980s in Barcelona and Girona (north-eastern Spain) (
We thank the Spanish Ministry of Agriculture, Fishery and Food (MAPA) for allowing access to data from the Spanish National Surveillance control and eradication of Bluetongue programme.
List of bibliographic references associated with the distribution of sand flies by province in Spain
Data type: excel file.
Explanation note: The supplementary file includes the 136 references of scientific papers and grey literature listed in the checklist (ordered by ID, year and author). We also include the references of each species of sand fly by Spanish province.