Mathis Ae japonicus Neobiota Olten 19 Januar 12 handout ...Institute of Parasitology Page 1...
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Institute of Parasitology
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“Asiatische Buschmücke (Aedes japonicus)”
Francis Schaffner, Alexander Mathis
Vector Entomology Unit
Faculty of Medicine
AGIN Tagung, Olten, 19. Januar 2012
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Institute of Parasitology Faculty of Medicine
www.paras.uzh.ch
2007: Nationales Referenzlabor für tierseuchenassoziierte Vektoren (BVET)(Ab 2013: Nationales Zentrum für Vektor-Entomologie, BVET) Page 2
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Institute of Parasitology
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Faculty of Medicine
Vektor Entomologie
Projekte:
Vorkommen / Populationsgenetik / Vektorkompetenz/ molekulare Identifizierung
• Stechmücken (Culicidae)
• Gnitzen (Ceratopogonidae)
• Sandmücken (Phlebotomidae)
• Phortica Fruchtfliegen (Drosophilidae)
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Mosquitoes of Switzerland34 species, 2 invasive species, 5 ‘doubtful’ species
Compilation of literature, own data;
Schaffner, F., Mathis, A. (2011): Mosquitoes (Diptera: Culicidae)
and related hazards in Switzerland. 31 pp. (Pilot study, funded by BAFU).
Aedes (Aedes) cinereusAe. (Aedes) geminusAe. (Aedimorphus) vexansAe. (Stegomyia) albopictusAe. (Fin.) geniculatusAe. (Fin.) japonicusAe. (Ochlerotatus) annulipesAe. (Och.) cantansAe. (Och.) caspius caspiusAe. (Och.) cataphyllaAe. (Och.) communisAe. (Och.) dorsalisAe. (Och.) excrucians Ae. (Och.) flavescensAe. (Och.) intrudens
Culiseta (Allotheobaldia) longiareolataCs. (Culicella) fumipennisCs. (Cuc.) morsitansCs. (Culiseta) alaskaensisCs. (Cus.) annulataCs. (Cus.) glaphyroptera
Culex (Barraudius) modestusCx. (Cx.) pipiensCx. (Cx.) theileriCx. (Cx.) torrentiumCx. (Maillotia) hortensis hortensisCx. (Neoculex) martiniiCx. (Ncx.) territans
Orthopodomyia pulcripalpis
Ae. (Och.) pullatusAe. (Och.) punctorAe. (Och.) ripariusAe. (Och.) sticticusAe. (Rusticoidus) refikiAe. (Rus.) rusticus
Anopheles (Anopheles) clavigerAn. (Ano.) maculipennis s.s. An. (Ano.) messeaeAn. (Ano.) plumbeus
Coquillettidia (Coquillettidia) buxtoniCq. (Coq.) richiardii
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Invasive Mücken in der Schweiz (I):Aedes albopictus (Asiat. Tigermücke)
Einschleppung: Albanien:1979 (aus China); Italien 1990 (aus USA)Page 5
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Bekämpfung Ae. albopictus im Tessin
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Bedeutung Aedes albopictus (Tigermücke)in Europa: - Lästling (tagaktiv!) …
- Konkurrent
- Vektor
‘Where Aedes albopictus established settled colonies, it quickly became a major pest organism.’ (Romi et al., 2008)
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Ausbreitung Aedes albopictus: exp. Daten, Modell
Page 8MCDA model, 3 variables (annual precipitation, January and average temperatures
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Aedes japonicusAsiatische Buschmücke
Invasive Mücken in der Schweiz (II):
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Aedes japonicus: diagnostic characters of adults
Black and white mosquito, usually large, similar to Ae. albopictus, but differs in ornamentation of:
- mesonotum- palpi extremity - fourth tarsomere
Ae. albopictus Cx. pipiens
Ae. albopictus Ae. japonicus
Ae. japonicus
Culiseta spp. (Ringelmücken)
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Distribution of Ae. japonicus in Switzerland 2010
KantoneAGBEBLBS (2011)LUOWSGSHSOSZTGZG (2011)ZH
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Verbreitung Aedes japonicus in Europa 2011
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Juli Dezember
Quelle: ECDC
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Aedes japonicus: ‘Asian rock pool mosquito’
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Aedes japonicus
Overwintering: eggs (larvae)
Outdoor/indoor 14
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Bedeutung Aedes japonicus in Europa:
- Lästling (tagaktiv!)
- Konkurrent
- Vektor ?Experimenteller Vektor von u.a. West Nile Virus, Dengue Virus,
Chikungunya Virus West Nile Virus in USA regelmässig in Ae. japonicus vom Feld
- Meldungen/Einsendungen der Bevölkerung- ‘Human landing’ (Zürich, Sept. 2011): 3 Personen, 10 min:
55 Ae. japonicus; 2 Ae. geniculatus
- Ae. japonicus häufiger in Bruthabitaten als die häufigste einheimische Art Cx. pipiens. (Schaffner et al. 2009)
- Untersuchungen Stadt Zürich (Masterarbeit S. Wagner, IPZ, 2011):Ae. japonicus: 60% der Mückenbiomasse !
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Aedes japonicus – Bedeutung
• Erste invasive Stechmückenart, welchesich in Zentraleuropa ausbreitet
• Möglicher Vektor für Pathogene von med. und vet. med. Bedeutung
• Hohe Populationsdichten: Lästling, Vektor, Gefahr für die Biodiversität
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Aedes japonicus: offene Fragen
• Verbreitung/Häufigkeit in Raum und Zeit• Produktivste Brutplätze• Wirtspräferenzen (übers Jahr)• Ausbreitungsverhalten • Vektor Kompetenz im CH Klima• Konkurrenz mit einheimischen Mücken-Arten• Bekämpfungsmöglichkeiten
Ziel: nachhaltige Kontrolle der Mückenpopulation (nicht: Elimination)Grenzwert für Populationsdichte?
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Acknowledgments…
Institute of ParasitologyWinterthurerstrasse 266a
CH‐8057 Zürich
Vector entomology unit:
Jeannine HauriChristian KaufmannAlexander MathisFrancis SchaffnerStefanie Wagner
BVET ‐ Referenzlabor für tierseuchenassoziierte Vektoren
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