Adult females of two invasive species, Aedes albopictus and Aedes japonicus japonicus, were colle... more Adult females of two invasive species, Aedes albopictus and Aedes japonicus japonicus, were collected for the first time in July and August 2011 in Germany. Previously, only immature stages of these species had been found in the country. Repeated detection of these species reveals the Upper Rhine Valley in south-west Germany to be a particularly sensitive region for the introduction and establishment of exotic mosquito species that needs careful observation.
Journal of the American Mosquito Control Association, 2003
Ochlerotatus (Finlaya) japonicus japonicus is a potential vector of arboviruses such as Japanese ... more Ochlerotatus (Finlaya) japonicus japonicus is a potential vector of arboviruses such as Japanese encephalitis virus and West Nile virus. The latter already is present in France. We report the species for the 1st time in metropolitan France and in Europe. Two larvae were collected in July and October 2000 in used tires in a village in northwestern France. Collections were made in a stack of recycled tires from a company that imports from the USA and Japan. The lack of other mutes of introduction for the species confirms tires as a means of worldwide spread. Larval stages found in the area indicate that the species is reproducing locally.
Malaria is a former endemic problem in the Camargue, South East France, an area from where very f... more Malaria is a former endemic problem in the Camargue, South East France, an area from where very few recent data concerning Anopheles are available. A study was undertaken in 2005 to establish potential malaria vector biology and dynamics and evaluate the risk of malaria re-emergence. Mosquitoes were collected in two study areas, from March to October 2005, one week every two weeks, using light traps+CO2, horse bait traps, human bait catch, and by collecting females in resting sites. Anopheles hyrcanus was the most abundant Anopheles species. Anopheles melanoon was less abundant, and Anopheles atroparvus and Anopheles algeriensis were rare. Anopheles hyrcanus and An. melanoon were present in summer, whereas An. atroparvus was present in autumn and winter. A large number of An. hyrcanus females was collected on humans, whereas almost exclusively animals attracted An. melanoon. Based on an enzyme-linked immunosorbent assay, almost 90% of An. melanoon blood meals analysed had been taken...
The Wageningen UR Library Catalogue contains bibliographic data on books and periodicals held by ... more The Wageningen UR Library Catalogue contains bibliographic data on books and periodicals held by the libraries of Wageningen University and Research Centre and some 15 associated libraries. Holding data are added to each record.
Among the invasive mosquitoes registered all over the world, Aedes species are particularly frequ... more Among the invasive mosquitoes registered all over the world, Aedes species are particularly frequent and important. As several of them are potential vectors of disease, they present significant health concerns for 21st century Europe. Five species have established in mainland Europe, with two (Aedes albopictus and Aedes japonicus) becoming widespread and two (Ae. albopictus and Aedes aegypti) implicated in disease transmission to humans in Europe. The routes of importation and spread are often enigmatic, the ability to adapt to local environments and climates are rapid, and the biting nuisance and vector potential are both an ecomonic and public health concern. Europeans are used to cases of dengue and chikungunya in travellers returning from the tropics, but the threat to health and tourism in mainland Europe is substantive. Coupled to that are the emerging issues in the European overseas territorities and this paper is the first to consider the impacts in the remoter outposts of E...
After 55 years of absence, dengue has re-emerged in the WHO European region both as locally trans... more After 55 years of absence, dengue has re-emerged in the WHO European region both as locally transmitted sporadic cases and as an outbreak in Madeira, driven by the introduction of people infected with the virus and the invasion of the vector mosquito species Aedes aegypti and Aedes albopictus. Models predict a further spread of A albopictus, particularly under climate change conditions. Dengue transmission models suggest a low risk in Europe, but these models too rarely include transmission by A albopictus (the main established vector). Further information gaps exist with regard to the Caucasus and central Asian countries of the WHO European region. Many European countries have implemented surveillance and control measures for invasive mosquitoes, but only a few include surveillance for dengue. As long as no dengue-specific prophylaxis or therapeutics are available, integrated vector management is the most sustainable control option. The rapid elimination of newly introduced A aegyp...
The American journal of tropical medicine and hygiene, 2003
A polymerase chain reaction (PCR)-based diagnostic assay was developed that rapidly and reliably ... more A polymerase chain reaction (PCR)-based diagnostic assay was developed that rapidly and reliably differentiates the sibling species of the Anopheles claviger complex, An. claviger s.s. and An. petragnani. The assay makes use of nucleotide differences in the internal transcribed spacer 2 ribosomal DNA sequences to generate PCR products of specific length for each of the two species. In evaluating the test, 580 of 592 field-collected An. claviger s.l. specimens were unambiguously identified as one of the two sibling species. Due to poor DNA quality, the remaining 12 specimens yielded no PCR product. Of the 592 mosquitoes, 407 larval specimens had been identified morphologically prior to species-specific DNA amplification, and in all instances PCR identification corroborated with morphologic identification. Mosquitoes identified as An. claviger s.s. came from various localities all over Europe and from Israel. Those identified as An. petragnani were collected in southern France and Spa...
Adult females of two invasive species, Aedes albopictus and Aedes japonicus japonicus, were colle... more Adult females of two invasive species, Aedes albopictus and Aedes japonicus japonicus, were collected for the first time in July and August 2011 in Germany. Previously, only immature stages of these species had been found in the country. Repeated detection of these species reveals the Upper Rhine Valley in south-west Germany to be a particularly sensitive region for the introduction and establishment of exotic mosquito species that needs careful observation.
Journal of the American Mosquito Control Association, 2003
Ochlerotatus (Finlaya) japonicus japonicus is a potential vector of arboviruses such as Japanese ... more Ochlerotatus (Finlaya) japonicus japonicus is a potential vector of arboviruses such as Japanese encephalitis virus and West Nile virus. The latter already is present in France. We report the species for the 1st time in metropolitan France and in Europe. Two larvae were collected in July and October 2000 in used tires in a village in northwestern France. Collections were made in a stack of recycled tires from a company that imports from the USA and Japan. The lack of other mutes of introduction for the species confirms tires as a means of worldwide spread. Larval stages found in the area indicate that the species is reproducing locally.
Malaria is a former endemic problem in the Camargue, South East France, an area from where very f... more Malaria is a former endemic problem in the Camargue, South East France, an area from where very few recent data concerning Anopheles are available. A study was undertaken in 2005 to establish potential malaria vector biology and dynamics and evaluate the risk of malaria re-emergence. Mosquitoes were collected in two study areas, from March to October 2005, one week every two weeks, using light traps+CO2, horse bait traps, human bait catch, and by collecting females in resting sites. Anopheles hyrcanus was the most abundant Anopheles species. Anopheles melanoon was less abundant, and Anopheles atroparvus and Anopheles algeriensis were rare. Anopheles hyrcanus and An. melanoon were present in summer, whereas An. atroparvus was present in autumn and winter. A large number of An. hyrcanus females was collected on humans, whereas almost exclusively animals attracted An. melanoon. Based on an enzyme-linked immunosorbent assay, almost 90% of An. melanoon blood meals analysed had been taken...
The Wageningen UR Library Catalogue contains bibliographic data on books and periodicals held by ... more The Wageningen UR Library Catalogue contains bibliographic data on books and periodicals held by the libraries of Wageningen University and Research Centre and some 15 associated libraries. Holding data are added to each record.
Among the invasive mosquitoes registered all over the world, Aedes species are particularly frequ... more Among the invasive mosquitoes registered all over the world, Aedes species are particularly frequent and important. As several of them are potential vectors of disease, they present significant health concerns for 21st century Europe. Five species have established in mainland Europe, with two (Aedes albopictus and Aedes japonicus) becoming widespread and two (Ae. albopictus and Aedes aegypti) implicated in disease transmission to humans in Europe. The routes of importation and spread are often enigmatic, the ability to adapt to local environments and climates are rapid, and the biting nuisance and vector potential are both an ecomonic and public health concern. Europeans are used to cases of dengue and chikungunya in travellers returning from the tropics, but the threat to health and tourism in mainland Europe is substantive. Coupled to that are the emerging issues in the European overseas territorities and this paper is the first to consider the impacts in the remoter outposts of E...
After 55 years of absence, dengue has re-emerged in the WHO European region both as locally trans... more After 55 years of absence, dengue has re-emerged in the WHO European region both as locally transmitted sporadic cases and as an outbreak in Madeira, driven by the introduction of people infected with the virus and the invasion of the vector mosquito species Aedes aegypti and Aedes albopictus. Models predict a further spread of A albopictus, particularly under climate change conditions. Dengue transmission models suggest a low risk in Europe, but these models too rarely include transmission by A albopictus (the main established vector). Further information gaps exist with regard to the Caucasus and central Asian countries of the WHO European region. Many European countries have implemented surveillance and control measures for invasive mosquitoes, but only a few include surveillance for dengue. As long as no dengue-specific prophylaxis or therapeutics are available, integrated vector management is the most sustainable control option. The rapid elimination of newly introduced A aegyp...
The American journal of tropical medicine and hygiene, 2003
A polymerase chain reaction (PCR)-based diagnostic assay was developed that rapidly and reliably ... more A polymerase chain reaction (PCR)-based diagnostic assay was developed that rapidly and reliably differentiates the sibling species of the Anopheles claviger complex, An. claviger s.s. and An. petragnani. The assay makes use of nucleotide differences in the internal transcribed spacer 2 ribosomal DNA sequences to generate PCR products of specific length for each of the two species. In evaluating the test, 580 of 592 field-collected An. claviger s.l. specimens were unambiguously identified as one of the two sibling species. Due to poor DNA quality, the remaining 12 specimens yielded no PCR product. Of the 592 mosquitoes, 407 larval specimens had been identified morphologically prior to species-specific DNA amplification, and in all instances PCR identification corroborated with morphologic identification. Mosquitoes identified as An. claviger s.s. came from various localities all over Europe and from Israel. Those identified as An. petragnani were collected in southern France and Spa...
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