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Ciocchetta S, Frentiu FD, Montarsi F, Capelli G, Devine GJ. Investigation on key aspects of mating biology in the mosquito Aedes koreicus. Med Vet Entomol 2023; 37:826-833. [PMID: 37622600 DOI: 10.1111/mve.12687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Accepted: 07/27/2023] [Indexed: 08/26/2023]
Abstract
Aedes koreicus Edwards, 1917 (Hulecoetomyia koreica) is a mosquito (Diptera: Culicidae) from Northeast Asia with a rapidly expanding presence outside its original native range. Over the years, the species has been discovered in several new countries, either spreading after first introduction or remaining localised to limited areas. Notably, recent studies have demonstrated the ability of the species to transmit zoonotic parasites and viruses both in the field and in laboratory settings. Combined with its invasive potential, the possible role of Ae. koreicus in pathogen transmission highlights the public health risks resulting from its invasion. In this study, we used a recently established population from Italy to investigate aspects of biology that influence reproductive success in Ae. koreicus: autogeny, mating behaviour, mating disruption by the sympatric invasive species Aedes albopictus Skuse, 1894, and the presence of the endosymbiont Wolbachia pipientis Hertig, 1936. Our laboratory population did not exhibit autogenic behaviour and required a bloodmeal to complete its ovarian cycle. When we exposed Ae. koreicus females to males of Ae. albopictus, we observed repeated attempts at insemination and an aggressive, disruptive mating behaviour initiated by male Ae. albopictus. Despite this, no sperm was identified in Ae. koreicus spermathecae. Wolbachia, an endosymbiotic bacterium capable of influencing mosquito reproductive behaviour, was not detected in this Ae. koreicus population and, therefore, had no effect on Ae. koreicus reproduction.
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Affiliation(s)
- Silvia Ciocchetta
- School of Veterinary Science, Faculty of Science, The University of Queensland, Gatton, Queensland, Australia
- School of Biomedical Sciences, Queensland University of Technology, Brisbane, Queensland, Australia
- Mosquito Control Laboratory, QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia
| | - Francesca D Frentiu
- School of Biomedical Sciences, Queensland University of Technology, Brisbane, Queensland, Australia
- Centre for Immunology and Infection Control, Queensland University of Technology, Brisbane, Queensland, Australia
| | - Fabrizio Montarsi
- Istituto Zooprofilattico Sperimentale delle Venezie, Legnaro, Padua, Italy
| | - Gioia Capelli
- Istituto Zooprofilattico Sperimentale delle Venezie, Legnaro, Padua, Italy
| | - Gregor J Devine
- Mosquito Control Laboratory, QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia
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Jansen S, Cadar D, Lühken R, Pfitzner WP, Jöst H, Oerther S, Helms M, Zibrat B, Kliemke K, Becker N, Vapalahti O, Rossini G, Heitmann A. Vector Competence of the Invasive Mosquito Species Aedes koreicus for Arboviruses and Interference with a Novel Insect Specific Virus. Viruses 2021; 13:2507. [PMID: 34960776 DOI: 10.3390/v13122507] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 12/10/2021] [Accepted: 12/11/2021] [Indexed: 12/01/2022] Open
Abstract
The global spread of invasive mosquito species increases arbovirus infections. In addition to the invasive species Aedes albopictus and Aedes japonicus, Aedes koreicus has spread within Central Europe. Extensive information on its vector competence is missing. Ae. koreicus from Germany were investigated for their vector competence for chikungunya virus (CHIKV), Zika virus (ZIKV) and West Nile virus (WNV). Experiments were performed under different climate conditions (27 ± 5 °C; 24 ± 5 °C) for fourteen days. Ae. koreicus had the potential to transmit CHIKV and ZIKV but not WNV. Transmission was exclusively observed at the higher temperature, and transmission efficiency was rather low, at 4.6% (CHIKV) or 4.7% (ZIKV). Using a whole virome analysis, a novel mosquito-associated virus, designated Wiesbaden virus (WBDV), was identified in Ae. koreicus. Linking the WBDV infection status of single specimens to their transmission capability for the arboviruses revealed no influence on ZIKV transmission. In contrast, a coinfection of WBDV and CHIKV likely has a boost effect on CHIKV transmission. Due to its current distribution, the risk of arbovirus transmission by Ae. koreicus in Europe is rather low but might gain importance, especially in regions with higher temperatures. The impact of WBDV on arbovirus transmission should be analyzed in more detail.
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Lowe AM, Forest-Bérard K, Trudel R, Lo E, Gamache P, Tandonnet M, Kotchi SO, Leighton P, Dibernardo A, Lindsay R, Ludwig A. Mosquitoes Know No Borders: Surveillance of Potential Introduction of Aedes Species in Southern Québec, Canada. Pathogens 2021; 10:pathogens10080998. [PMID: 34451462 PMCID: PMC8400959 DOI: 10.3390/pathogens10080998] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 08/03/2021] [Accepted: 08/04/2021] [Indexed: 12/04/2022] Open
Abstract
Current climatic conditions limit the distribution of Aedes (Stegomyia) albopictus (Skuse, Diptera: Culicidae) in the north, but predictive climate models suggest this species could establish itself in southern Canada by 2040. A vector of chikungunya, dengue, yellow fever, Zika and West Nile viruses, the Ae. Albopictus has been detected in Windsor, Ontario since 2016. Given the potential public health implications, and knowing that Aedes spp. can easily be introduced by ground transportation, this study aimed to determine if specimens could be detected, using an adequate methodology, in southern Québec. Mosquitoes were sampled in 2016 and 2017 along the main roads connecting Canada and the U.S., using Biogent traps (Sentinel-2, Gravide Aedes traps) and ovitraps. Overall, 24 mosquito spp. were captured, excluding Ae. Albopictus, but detecting one Aedes (Stegomyia) aegypti (Skuse) specimen (laid eggs). The most frequent species among captured adults were Ochlerotatus triseriatus, Culex pipiens complex, and Ochlerotatus japonicus (31.0%, 26.0%, and 17.3%, respectively). The present study adds to the increasing number of studies reporting on the range expansions of these mosquito species, and suggests that ongoing monitoring, using multiple capture techniques targeting a wide range of species, may provide useful information to public health with respect to the growing risk of emerging mosquito-borne diseases in southern Canada.
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Affiliation(s)
- Anne-Marie Lowe
- Direction des Risques Biologiques et de la Santé au Travail, Institut National de Santé Publique du Québec, 190 Boulevard Crémazie Est, Montréal, QC H2P 1E2, Canada; (A.-M.L.); (R.T.)
- Groupe de Recherche en Épidémiologie des Zoonoses et Santé Publique (GREZOSP), Faculty of Veterinary Medicine, University of Montréal, 3200 Rue Sicotte, Saint-Hyacinthe, QC J2S 2M2, Canada; (S.-O.K.); (P.L.); (A.L.)
| | - Karl Forest-Bérard
- Direction des Risques Biologiques et de la Santé au Travail, Institut National de Santé Publique du Québec, 190 Boulevard Crémazie Est, Montréal, QC H2P 1E2, Canada; (A.-M.L.); (R.T.)
- Correspondence:
| | - Richard Trudel
- Direction des Risques Biologiques et de la Santé au Travail, Institut National de Santé Publique du Québec, 190 Boulevard Crémazie Est, Montréal, QC H2P 1E2, Canada; (A.-M.L.); (R.T.)
| | - Ernest Lo
- Bureau D’information et D’études en Santé des Populations, Institut National de Santé Publique du Québec, 190 Boulevard Crémazie Est, Montréal, QC H2P 1E2, Canada; (E.L.); (P.G.); (M.T.)
- Department of Epidemiology, Biostatistics and Occupational Health, McGill University, 1020 Pine Ave. West, Montréal, QC H3A 1A2, Canada
| | - Philippe Gamache
- Bureau D’information et D’études en Santé des Populations, Institut National de Santé Publique du Québec, 190 Boulevard Crémazie Est, Montréal, QC H2P 1E2, Canada; (E.L.); (P.G.); (M.T.)
| | - Matthieu Tandonnet
- Bureau D’information et D’études en Santé des Populations, Institut National de Santé Publique du Québec, 190 Boulevard Crémazie Est, Montréal, QC H2P 1E2, Canada; (E.L.); (P.G.); (M.T.)
| | - Serge-Olivier Kotchi
- Groupe de Recherche en Épidémiologie des Zoonoses et Santé Publique (GREZOSP), Faculty of Veterinary Medicine, University of Montréal, 3200 Rue Sicotte, Saint-Hyacinthe, QC J2S 2M2, Canada; (S.-O.K.); (P.L.); (A.L.)
- Public Health Risk Sciences Division, National Microbiology Laboratory, Public Health Agency of Canada, 3200 Rue Sicotte, Saint-Hyacinthe, QC J2S 2M2, Canada
| | - Patrick Leighton
- Groupe de Recherche en Épidémiologie des Zoonoses et Santé Publique (GREZOSP), Faculty of Veterinary Medicine, University of Montréal, 3200 Rue Sicotte, Saint-Hyacinthe, QC J2S 2M2, Canada; (S.-O.K.); (P.L.); (A.L.)
- Department of Pathology and Microbiology, Faculty of Veterinary Medicine, University of Montréal, 3200 Rue Sicotte, Saint-Hyacinthe, QC J2S 2M2, Canada
| | - Antonia Dibernardo
- Zoonotic Diseases and Special Pathogens Division, National Microbiology Laboratory, Public Health Agency of Canada, 1015 Arlington St., Winnipeg, MB R3E 3M4, Canada; (A.D.); (R.L.)
| | - Robbin Lindsay
- Zoonotic Diseases and Special Pathogens Division, National Microbiology Laboratory, Public Health Agency of Canada, 1015 Arlington St., Winnipeg, MB R3E 3M4, Canada; (A.D.); (R.L.)
| | - Antoinette Ludwig
- Groupe de Recherche en Épidémiologie des Zoonoses et Santé Publique (GREZOSP), Faculty of Veterinary Medicine, University of Montréal, 3200 Rue Sicotte, Saint-Hyacinthe, QC J2S 2M2, Canada; (S.-O.K.); (P.L.); (A.L.)
- Public Health Risk Sciences Division, National Microbiology Laboratory, Public Health Agency of Canada, 3200 Rue Sicotte, Saint-Hyacinthe, QC J2S 2M2, Canada
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Abstract
Identifying the array of vectors that play a role in perpetuating West Nile virus (WNV) infection in endemic foci will help in controlling the disease. Aedes japonicus has the potential to be a vector in the wild of at least 3 kinds of encephalitis, including WNV. Aedes japonicus is a nonnative species in the USA that is temperature tolerant and a potential human biter. Detection of WNV in mosquito pools of this field-collected invasive species, combined with their ability to feed on humans, make this mosquito species a possible public health concern. In this study, we collected mosquito abundance data and tested them for WNV-positive mosquito samples from 3 counties in New York State. We found a significant association between the season and land demography and the likelihood of the virus in Ae. japonicus.
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Alarcón-Elbal PM, Rodríguez-Sosa MA, Newman BC, Sutton WB. The First Record of Aedes vittatus (Diptera: Culicidae) in the Dominican Republic: Public Health Implications of a Potential Invasive Mosquito Species in the Americas. J Med Entomol 2020; 57:2016-2021. [PMID: 32780102 DOI: 10.1093/jme/tjaa128] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Indexed: 06/11/2023]
Abstract
Aedes vittatus Bigot is distributed throughout Africa, tropical Asia, and southern Europe and occurs in sylvatic as well as peridomestic environments where it readily feeds on humans. Although the vectorial capacity of Ae. vittatus is not well understood, this species is known to play a role in the maintenance and transmission of yellow fever, Zika, chikungunya, and dengue virus within its native range. In October 2019, after a routine inspection of mosquito-breeding containers in Jarabacoa, Dominican Republic, two Ae. vittatus females were captured via human landing catch method. After this finding, a CDC miniature light trap was deployed at the point of initial detection from 18:00 to 08:00 h, 2 d/wk from 3 to 31 October 2019. Potential larval habitats were also sampled via traditional dip method once per week spanning a 150 m radius from point of initial detection. In addition to the 2 adult females, 10 female and 2 male Ae. vittatus were captured. One Ae. vittatus larva also was found in a small puddle formed by an animal hoof print. Conventional PCR and Sanger sequencing were used to confirm morphological identification of collected specimens. This is the first detection of Ae. vittatus in the Dominican Republic as well as the Americas. Therefore, enhanced surveillance is needed to better understand the range and public health risks this potential invasive mosquito species may pose in the Dominican Republic, other Caribbean Islands, and/or the Americas.
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Affiliation(s)
- P M Alarcón-Elbal
- Instituto de Medicina Tropical & Salud Global (IMTSAG), Universidad Iberoamericana (UNIBE), Calle Majoma, Los Ríos, Santo Domingo, Dominican Republic
| | - M A Rodríguez-Sosa
- Instituto de Medicina Tropical & Salud Global (IMTSAG), Universidad Iberoamericana (UNIBE), Calle Majoma, Los Ríos, Santo Domingo, Dominican Republic
| | - B C Newman
- Wildlife Ecology Laboratory, Department of Agricultural and Environmental Sciences, Tennessee State University, John A. Merritt Boulevard, Nashville, TN
| | - W B Sutton
- Wildlife Ecology Laboratory, Department of Agricultural and Environmental Sciences, Tennessee State University, John A. Merritt Boulevard, Nashville, TN
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Ibáñez-Justicia A, Koenraadt CJM, Stroo A, van Lammeren R, Takken W. Risk-Based and Adaptive Invasive Mosquito Surveillance at Lucky Bamboo and Used Tire Importers in the Netherlands. J Am Mosq Control Assoc 2020; 36:89-98. [PMID: 33647128 DOI: 10.2987/20-6914.1] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The detection of Aedes albopictus in Lucky bamboo (Dracaena sanderiana) greenhouses and Ae. atropalpus at used tire importers illustrates that the Netherlands is exposed to the risk of introductions of invasive mosquito species (IMS). In this study we implemented a risk-based and adaptive surveillance (2010-16) in order to detect introductions and prevent potential proliferation of IMS at these locations. Results at Lucky bamboo greenhouses show that interceptions of Ae. albopictus occurred every year, with 2010 and 2012 being the years with most locations found positive for this species (n = 6), and 2015 the year with the highest percentage of positive samples (4.1%). Furthermore, our results demonstrate that Ae. japonicus can also be associated with the import of Lucky bamboo. At used tire companies, IMS were found at 12 locations. Invasive mosquito species identified were Ae. albopictus, Ae. atropalpus, Ae. aegypti, and Ae. japonicus, of which Ae. albopictus has been found every year since 2010. The proportion of samples containing IMS was significantly higher before application of a covenant between the used tire importers and the Dutch government in 2013 (12.96%) than in the successive 3 years (2014 [6.93%], 2015 [4.24%], 2016 [5.09%], 1-sided binomial test, P < 0.01). It is concluded that risk-based and adaptive surveillance is an effective methodology for detection of IMS, and that application of governmental management measures in combination with mosquito control has stabilized the situation.
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Affiliation(s)
- Adolfo Ibáñez-Justicia
- Centre for Monitoring of Vectors, Netherlands Food and Consumer Product Safety Authority, Geertjesweg 15, 6706 EA Wageningen, The Netherlands
| | - Constantianus J M Koenraadt
- Wageningen University & Research, Department of Plant Sciences, Laboratory of Entomology, Droevendaalsesteeg 1, 6708 PB Wageningen, The Netherlands
| | - Arjan Stroo
- Centre for Monitoring of Vectors, Netherlands Food and Consumer Product Safety Authority, Geertjesweg 15, 6706 EA Wageningen, The Netherlands
| | - Ron van Lammeren
- Wageningen University & Research, Department of Environmental Sciences, Laboratory of Geo-information Science and Remote Sensing, Droevendaalsesteeg 4, 6708 PB Wageningen, The Netherlands
| | - Willem Takken
- Wageningen University & Research, Department of Plant Sciences, Laboratory of Entomology, Droevendaalsesteeg 1, 6708 PB Wageningen, The Netherlands
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Cunze S, Kochmann J, Klimpel S. Global occurrence data improve potential distribution models for Aedes japonicus japonicus in non-native regions. Pest Manag Sci 2020; 76:1814-1822. [PMID: 31814250 DOI: 10.1002/ps.5710] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Revised: 09/30/2019] [Accepted: 12/02/2019] [Indexed: 06/10/2023]
Abstract
BACKGROUND There is great interest in modelling the distribution of invasive species, particularly from the point of view of management. However, distribution modelling for invasive species using ecological niche models (ENMs) involves multiple challenges. Owing to the short time span since the introduction or arrival of a non-indigenous species and the associated dispersal limitations, applying regular ENMs at an early stage of the invasion process may result in an underestimation of the potential niche in the new ranges. This topic is dealt with here using the example of Aedes japonicus japonicus, a vector competent mosquito species for a number of diseases. RESULTS We found high niche unfilling for the species' non-native range niches in Europe and North America compared with the native range niche, which can be explained by the early stage of the invasion process. Comparing four different ENMs based on: (i) the European and (ii) the North American non-native range occurrence data, (iii) (derived) native range occurrence data, and (iv) all available occurrence data together, we found large differences in the projected climatic suitability, with the global data model projecting larger areas with climatic suitability. CONCLUSION ENM in biological invasions can be challenging, especially when distribution data are only poorly available. We suggest one possible way to project climatic suitability for Aedes j. japonicus despite poor data availability for the non-native ranges and missing occurrences from the native range. We discuss aspects of the lack of information and the associated implications for modelling. © 2020 The Authors. Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
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Affiliation(s)
- Sarah Cunze
- Institute of Ecology, Evolution and Diversity, Goethe-University, Frankfurt, Germany
- Senckenberg Biodiversity and Climate Research Centre, Frankfurt, Germany
| | - Judith Kochmann
- Institute of Ecology, Evolution and Diversity, Goethe-University, Frankfurt, Germany
- Senckenberg Biodiversity and Climate Research Centre, Frankfurt, Germany
| | - Sven Klimpel
- Institute of Ecology, Evolution and Diversity, Goethe-University, Frankfurt, Germany
- Senckenberg Biodiversity and Climate Research Centre, Frankfurt, Germany
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8
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Ciocchetta S, Prow NA, Darbro JM, Frentiu FD, Savino S, Montarsi F, Capelli G, Aaskov JG, Devine GJ. The new European invader Aedes (Finlaya) koreicus: a potential vector of chikungunya virus. Pathog Glob Health 2018; 112:107-114. [PMID: 29737236 PMCID: PMC6056824 DOI: 10.1080/20477724.2018.1464780] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Arthropod-borne disease outbreaks, facilitated by the introduction of exotic mosquitoes, pose a significant public health threat. Recent chikungunya virus (CHIKV) epidemics in Europe highlight the importance of understanding the vector potential of invading mosquitoes. In this paper we explore the potential of Aedes koreicus, a mosquito new to Europe, to transmit CHIKV. Mosquitoes were challenged with CHIKV and maintained at two temperatures: 23 °C and a fluctuating temperature. Total CHIKV infection rates at 3, 10 and 14 days post-feeding were low for both temperature treatments (13.8% at 23 °C; 6.2% at fluctuating T). A low percentage (6.1%, n = 65) of mosquitoes maintained at a constant 23 °C showed dissemination of the virus to the wings and legs. Infection of mosquito saliva, with live virus, occurred in 2 mosquitoes. No dissemination was noted under the fluctuating temperature regime. Based on these results we conclude that CHIKV transmission by this species is possible.
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Affiliation(s)
- Silvia Ciocchetta
- QIMR Berghofer Medical Research Institute, Royal Brisbane Hospital, Brisbane, Australia
- Institute for Health and Biomedical Innovation, and School of Biomedical Science, Queensland University of Technology, Brisbane, Australia
| | - Natalie A. Prow
- QIMR Berghofer Medical Research Institute, Royal Brisbane Hospital, Brisbane, Australia
| | - Jonathan M. Darbro
- QIMR Berghofer Medical Research Institute, Royal Brisbane Hospital, Brisbane, Australia
| | - Francesca D. Frentiu
- Institute for Health and Biomedical Innovation, and School of Biomedical Science, Queensland University of Technology, Brisbane, Australia
| | - Sandro Savino
- Geographic Information Systems, Department of Information Engineering, University of Padua, Padua, Italy
| | | | - Gioia Capelli
- Istituto Zooprofilattico Sperimentale delle Venezie, Padua, Italy
| | - John G. Aaskov
- Institute for Health and Biomedical Innovation, and School of Biomedical Science, Queensland University of Technology, Brisbane, Australia
| | - Gregor J. Devine
- QIMR Berghofer Medical Research Institute, Royal Brisbane Hospital, Brisbane, Australia
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Osório HC, Zé-Zé L, Neto M, Silva S, Marques F, Silva AS, Alves MJ. Detection of the Invasive Mosquito Species Aedes ( Stegomyia) albopictus (Diptera: Culicidae) in Portugal. Int J Environ Res Public Health 2018; 15:E820. [PMID: 29690531 DOI: 10.3390/ijerph15040820] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 04/13/2018] [Accepted: 04/18/2018] [Indexed: 11/16/2022]
Abstract
The Asian tiger mosquito Aedes albopictus is an invasive mosquito originating from the Asia-Pacific region. This species is of major concern to public and veterinary health because of its vector role in the transmission of several pathogens, such as chikungunya, dengue, and Zika viruses. In Portugal, a National Vector Surveillance Network (REde de VIgilância de VEctores—REVIVE) is responsible for the surveillance of autochthonous, but also invasive, mosquito species at points of entry, such as airports, ports, storage areas, and specific border regions with Spain. At these locations, networks of mosquito traps are set and maintained under surveillance throughout the year. In September 2017, Ae. albopictus was detected for the first time in a tyre company located in the North of Portugal. Molecular typing was performed, and a preliminary phylogenetic analysis indicated a high similarity with sequences of Ae. albopictus collected in Europe. A prompt surveillance response was locally implemented to determine its dispersal and abundance, and adult mosquitoes were screened for the presence of arboviral RNA. A total of 103 specimens, 52 immatures and 51 adults, were collected. No pathogenic viruses were detected. Despite the obtained results suggest low abundance of the population locally introduced, the risk of dispersal and potential establishment of Ae. albopictus in Portugal has raised concern for autochthonous mosquito-borne disease outbreaks.
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Muturi EJ, Gardner AM, Bara JJ. Impact of an Alien Invasive Shrub on Ecology of Native and Alien Invasive Mosquito Species (Diptera: Culicidae). Environ Entomol 2015; 44:1308-1315. [PMID: 26314023 DOI: 10.1093/ee/nvv121] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2014] [Accepted: 06/16/2015] [Indexed: 06/04/2023]
Abstract
We examined how leaf litter of alien invasive honeysuckle (Lonicera maackii Rupr.) either alone or in combination with leaf litter of one of two native tree species, sugar maple (Acer saccharum Marshall) and northern red oak (Quercus rubra L.), affects the ecology of Culex restuans Theobald, Ochlerotatus triseriatus Say, and Ochlerotatus japonicus Theobald. Experimental mesocosms containing single species litter or a mixture of honeysuckle and one of two native tree species litter were established at South Farms and Trelease Woods study sites in Urbana, IL, and examined for their effect on 1) oviposition site selection by the three mosquito species, and 2) adult production and body size of Oc. triseriatus and Oc. japonicus. There were no significant effects of study site and leaf treatment on Oc. japonicus and Oc. triseriatus oviposition preference and adult production. In contrast, significantly more Cx. restuans eggs rafts were collected at South Farms relative to Trelease Woods and in honeysuckle litter relative to native tree species litter. Significantly larger adult females of Oc. japonicus and Oc. triseriatus were collected at South Farms relative to Trelease Woods and in honeysuckle litter relative to native tree species litter. Combining honeysuckle litter with native tree species litter had additive effects on Cx. restuans oviposition preference and Oc. japonicus and Oc. triseriatus body size, with the exception of honeysuckle and northern red oak litter combination, which had antagonistic effects on Oc. triseriatus body size. We conclude that input of honeysuckle litter into container aquatic habitats may alter the life history traits of vector mosquito species.
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Affiliation(s)
- Ephantus J Muturi
- Illinois Natural History Survey, University of Illinois at Urbana-Champaign, 1816 S. Oak St., Champaign, IL 61820.
| | - Allison M Gardner
- Department of Entomology, University of Illinois at Urbana-Champaign, 505 S. Goodwin Ave., Urbana, IL 61801
| | - Jeffrey J Bara
- Illinois Natural History Survey, University of Illinois at Urbana-Champaign, 1816 S. Oak St., Champaign, IL 61820
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van de Vossenberg BTLH, Ibáñez-Justicia A, Metz-Verschure E, van Veen EJ, Bruil-Dieters ML, Scholte EJ. Real-time PCR Tests in Dutch Exotic Mosquito Surveys; Implementation of Aedes aegypti and Aedes albopictus Identification Tests, and the Development of Tests for the Identification of Aedes atropalpus and Aedes japonicus japonicus (Diptera: Culicidae). J Med Entomol 2015; 52:336-350. [PMID: 26334807 DOI: 10.1093/jme/tjv020] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2014] [Accepted: 01/22/2015] [Indexed: 06/05/2023]
Abstract
Since 2009, The Netherlands Food and Consumer Product Safety Authority carries out surveys focusing on, amongst others, the presence of invasive mosquito species (IMS). Special attention is given to exotic container-breeding Aedes species Aedes aegypti (L.), Aedes albopictus (Skuse), Aedes atropalpus (Coquillett), and Aedes japonicus japonicus (Theobald). This study describes the implementation of real-time PCR tests described by Hill et al. (2008) for the identification of Ae. aegypti and Ae. albopictus, and the development of two novel real-time PCR tests for the identification of Ae. atropalpus and Ae. j. japonicus. Initial test showed that optimization of elements of the Ae. aegypti and Ae. albopictus tests was needed. Method validation tests were performed to determine if the implemented and newly developed tests are fit for routine diagnostics. Performance criteria of analytical sensitivity, analytical specificity, selectivity, repeatability, and reproducibility were determined. In addition, experiments were performed to determine the influence of environmental conditions on the usability of DNA extracted from mosquito specimens trapped in BG-Sentinel traps. The real-time PCR tests were demonstrated to be sensitive, specific, repeatable, reproducible, and are less prone to false negative results compared to partial cytochrome c oxidase I gene sequencing owing to the DNA fragmentation caused by environmental influences.
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Affiliation(s)
- B T L H van de Vossenberg
- Netherlands Food and Consumer Product Safety Authority, Dutch National Plant Protection Organization, Molecular Biology P.O. Box 9102, 6700 HC Wageningen, The Netherlands.
| | - A Ibáñez-Justicia
- Netherlands Food and Consumer Product Safety Authority, Centre for Monitoring of Vectors, P.O. Box 9102, 6700 HC Wageningen, The Netherlands
| | - E Metz-Verschure
- Netherlands Food and Consumer Product Safety Authority, Dutch National Plant Protection Organization, Molecular Biology P.O. Box 9102, 6700 HC Wageningen, The Netherlands
| | - E J van Veen
- Netherlands Food and Consumer Product Safety Authority, Dutch National Plant Protection Organization, Molecular Biology P.O. Box 9102, 6700 HC Wageningen, The Netherlands
| | - M L Bruil-Dieters
- Netherlands Food and Consumer Product Safety Authority, Dutch National Plant Protection Organization, Molecular Biology P.O. Box 9102, 6700 HC Wageningen, The Netherlands
| | - E J Scholte
- Netherlands Food and Consumer Product Safety Authority, Centre for Monitoring of Vectors, P.O. Box 9102, 6700 HC Wageningen, The Netherlands
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Deblauwe I, Sohier C, Schaffner F, Rakotoarivony LM, Coosemans M. Implementation of surveillance of invasive mosquitoes in Belgium according to the ECDC guidelines. Parasit Vectors 2014; 7:201. [PMID: 24766783 PMCID: PMC4021692 DOI: 10.1186/1756-3305-7-201] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2013] [Accepted: 04/14/2014] [Indexed: 12/04/2022] Open
Abstract
BACKGROUND In 2012, the new guidelines for the surveillance of IMS in Europe, produced by the European Centre for Disease Prevention and Control (ECDC), were tested in Belgium. This study aimed at (1) testing the usefulness and applicability in the field of the ECDC guidelines for the surveillance of IMS in Europe and (2) surveying IMS throughout Belgium. METHODS First, the scenarios, which Belgium is facing, were identified according to the ECDC guidelines. Second, the surveillance strategy and the methods were identified based on the guidelines and adjusted to the Belgium context. Two areas colonised by IMS and 20 potential points of entry (PoE) were selected. Mosquito Magnet Liberty Plus (CO2-baited) traps (23) and oviposition traps (147) were set-up, and larval sampling was performed monthly or bi-monthly from July till October 2012. Finally, the costs and workload of the surveillance activities were compared to the estimates provided by the ECDC guidelines. RESULTS Surveillance at 20 potential PoE (complying with scenario 1) revealed that no new IMS were established in Belgium. Surveillance at two sites colonised by IMS (scenario 2) indicated that although control measures have drastically reduced the Ae. j. japonicus population this species is still present. Furthermore, Ae. koreicus is permanently established. For both scenarios, the problems encountered are discussed and recommendations are given. In addition, the actual workload was lower than the estimated workload, while the actual costs were higher than the estimated ones. CONCLUSIONS The ECDC guidelines are helpful, applicable and efficient to implement surveillance of IMS in Belgium. Recommendations were customised to the local context (political demands, salary and investment costs, and existing expertise). The workload and costs related to the preparatory phase (i.e., planning, contacts with the PoE, writing a protocol) were found to be missing in the cost evaluation suggested in the guidelines. Updates on the occurrence of IMS in Belgium and the related risk for disease agents they can transmit will only be available once a structured and permanent surveillance system is implemented.
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Affiliation(s)
- Isra Deblauwe
- Medical Entomology Unit, Department of Biomedical Sciences, Institute of Tropical Medicine (ITM), Nationalestraat 155, 2000 Antwerp, Belgium
| | - Charlotte Sohier
- Medical Entomology Unit, Department of Biomedical Sciences, Institute of Tropical Medicine (ITM), Nationalestraat 155, 2000 Antwerp, Belgium
| | - Francis Schaffner
- Avia-GIS, Agro-Veterinary Information and Analysis, Risschotlei 33, 2980 Zoersel, Belgium
- National Centre for Vector Entomology, Institute of Parasitology, University of Zürich, Winterthurerstrasse 266a, CH-8057 Zürich, Switzerland
| | | | - Marc Coosemans
- Medical Entomology Unit, Department of Biomedical Sciences, Institute of Tropical Medicine (ITM), Nationalestraat 155, 2000 Antwerp, Belgium
- Department of Biomedical Sciences, Faculty of Pharmaceutical, Veterinary and Biomedical Sciences, University of Antwerp, Universiteitsplein 1, B-2610 Antwerp (Wilrijk), Belgium
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