Cited by 105Parasitic Diseases Research and TreatmentResearch on Leishmaniasis StudiesVector-Borne Animal Diseases

Natural vectors of dirofilariasis in rural and urban areas of the Tuscan region, central Italy

Cancrini, G., Magi, M., Gabrielli, S., Arispici, M., Tolari, F., Dell’Omodarme, M., Prati, M. C.·2006·Journal of Medical Entomology

Abstract

Entomological investigations by means of dog- and human-baited traps were carried out in summers 2000–2002 in urban and rural areas of the Tuscan region in central Italy. The aim of the study was to define the mosquito species involved in the transmission of Dirofilaria nematodes and to assess the risk that their presence might represent for animal and human health. Nocturnal fieldwork on host-seeking activity and feeding preferences was followed by microscopic identification of the mosquito species attracted and by molecular identification of Dirofilaria parasites in mosquitoes. In total, 3,611 mosquito females belonging to 12 species, largely represented by Culex pipiens L. and Aedes caspius (Pallas), were caught. Some females of each species collected fed on the dogs, indicating their possible role as an intermediate host, but filarial DNA was found only in Cx. pipiens, Anopheles maculipennis s.l. (Meigen), and Coquillettidia richiardii (Ficalbi). In rural environments, the DNA evidence indicated the presence of infective larvae of Dirofilaria immitis, whereas in urban areas, infective larvae of Dirofilaria repens were present. The role of Cx. pipiens as a vector for heartworm disease and subcutaneous infections in natural and artificial environments was confirmed, whereas Ae. caspius seemed refractory to the infection. The different role of the collected species is discussed. The vector competence of An. maculipennis and Cq. richiardii needs further investigation, because the importance of these species poorly represented, and the role of species such as Aedes albopictus (Skuse), characterized by a dominant diurnal activity pattern, has to be evaluated.

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Crossref · 10.1093/jmedent/43.3.574

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  • Approximately 70 species of culicid mosquitoes mainly from the genera Culex, Aedes, Anopheles, Culiseta, and Coquilletidia have been identified and are considered potential vectors of animal and human dirofilariasis, although only in a few cases their real vectorial capacity could be proven.

    “Approximately 70 species of culicid mosquitoes mainly from the genera Culex spp., Aedes spp., Anopheles spp., Culiseta spp., and Coquilletidia spp. have been identified, and are considered potential vectors of animal and human dirofilariasis, although only in a few cases its real vectorial capacity could be proven (Cancrini and Kramer, 2001; Cancrini et al., 2006).”
  • Various studies in Europe have reported several species of mosquitoes infected by D. immitis larvae, including Cx. pipiens in Spain, Italy, and Turkey; Cx. theileri in Madeira, Portugal, and the Canary Islands, Spain; Ae. vexans in Turkey; and Ae. albopictus, Ae. caspius, An. maculipennis, and Cq. richiardii in Italy.

    “Various studies in Europe had reported several species of mosquitoes infected by D. immitis larvae such as Cx. pipiens in Spain (Morchón et al., 2007), Italy (Cancrini et al., 2006), and Turkey (Yildirim et al., 2011); Cx. theileri in Madeira, Portugal (Santa-Ana et al., 2006), and on the Canary Islands, Spain (Morchón et al., 2011a); Ae. vexans in Turkey (Biskin et al., 2010; Yildirim et al., 201”
  • At least 70 species of mosquitoes are considered potential vectors of Dirofilaria.

    “with at least 70 species of mosquitoes being considered as potential vectors (Cancrini et al., 2006).”
  • Cx pipiens displayed a higher feeding rate on a microfilaraemic dog compared to a dog under preventative treatment (47% vs 6.7-12.9%).

    “Accordingly, Cx pipiens displayed a higher feeding rate on a microfilaraemic dog, compared to a dog under preventative treatment (i.e., 47% vs 6.7-12.9%) [13].”
  • Among the culicid mosquito species, Culex pipiens, Cx. quinquefasciatus and Ae. albopictus are known to be infected with Wolbachia and considered as vectors for Dirofilaria.

    “Among the culicid mosquito species, Culex pipiens, Cx. quinquefasciatus and Ae. albopictus are known to be infected with Wolbachia [32, 67] and considered as vectors for Dirofilaria [13–15, 28, 45, 50, 69].”

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Authors
Cancrini, G., Magi, M., Gabrielli, S., Arispici, M., Tolari, F., Dell’Omodarme, M., & Prati, M. C.
Affiliations
  • Sapienza University of Rome (IT)
  • University of Pisa (IT)
  • Scuola Normale Superiore (IT)
Venue
Journal of Medical Entomology
Published
2006-05-01
Volume
43
Issue
3
Pages
574-579
ISSN
  • 0022-2585 (ISSN-L)
  • 1938-2928
OpenAlex
W2213160558
Cited by
105
References
25
Citations by year
2026: 6 · 2025: 3 · 2024: 4 · 2023: 2 · 2022: 4 · 2021: 10 · 2020: 4 · 2019: 6 · 2018: 8 · 2017: 7 · 2016: 6 · 2015: 4 · 2014: 6 · 2013: 7 · 2012: 5
FWCI
2.87
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Medical Entomology (publishedVersion)
  • PubMed (publishedVersion)
  • BioOne Complete (BioOne) (submittedVersion)
  • CINECA IRIS Institutial research information system (University of Pisa) (submittedVersion)
  • IRIS Research product catalog (Sapienza University of Rome) (submittedVersion)
Funders
Ministero della Salute
Topics
  • Health Sciences › Medicine › Infectious Diseases › Parasitic Diseases Research and Treatment
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Research on Leishmaniasis Studies
  • Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Vector-Borne Animal Diseases
Keywords
dirofilariasis, mosquito vectors, Dirofilaria immitis, Dirofilaria repens, Culex pipiens, Aedes caspius, Anopheles maculipennis, Coquillettidia richardii, vector competence, heartworm disease, infective larvae, Aedes albopictus
MeSH terms
Aedes, Animals, Culex, Dirofilaria, Dirofilariasis, Dogs, Female, Humans, Insect Control, Insect Vectors, Italy, Pheromones, Rural Population, Urban Population, DNA, Helminth

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