A1 Refereed original research article in a scientific journal
Social wasp (Hymenoptera: Vespidae) beer trapping in Finland 2008-2012: a German surprise
Authors: Sorvari J
Publisher: ENTOMOLOGICA FENNICA
Publishing place: HELSINKI; C/O ZOOLOGICAL MUSEUM P RAUTATIEKATU 13 UNIV HELSINKI, FIN-00014 HELSINKI, FINLAND
Publication year: 2013
Journal: Entomologica Fennica
Journal name in source: Entomologica Fennica
Journal acronym: Entomol.Fenn.
Number in series: 3
Volume: 24
Issue: 3
First page : 156
Last page: 164
Number of pages: 9
ISSN: 0785-8760
Web address : http://ojs.tsv.fi/index.php/entomolfennica/article/download/8983/6536
Abstract
Beer trapping has been carried out annually in the summer in south western Finland (Turku) from 2008 to 2012 inclusive. In 2012, an additional trapping programme was conducted in southern (Helsinki), central (Kuopio) and northern (Kevo) Finland, which also included another trapping location in the south western (Turku) region. The traps were always presented for seven days in each location. While the median wasp Dolichovespula media (Retzius, 1783) was present in all locations, the common wasp Vespula vulgaris Linnaeus, 1758 was found in five out of six locations (20 traps per site). The Kevo individual represents the northernmost record for the median wasp species. The German wasp Vespula germanica (Fabricius, 1793) was surprisingly common in south western and southern Finland. Vespula germanica has a short history of occurrence in Finland and seems to have shifted its range northwards, possibly due to climate change. Some common species of the genus Dolichovespula Rohwer, 1916 were likely underrepresented, because they are not very attracted by beer.
Beer trapping has been carried out annually in the summer in south western Finland (Turku) from 2008 to 2012 inclusive. In 2012, an additional trapping programme was conducted in southern (Helsinki), central (Kuopio) and northern (Kevo) Finland, which also included another trapping location in the south western (Turku) region. The traps were always presented for seven days in each location. While the median wasp Dolichovespula media (Retzius, 1783) was present in all locations, the common wasp Vespula vulgaris Linnaeus, 1758 was found in five out of six locations (20 traps per site). The Kevo individual represents the northernmost record for the median wasp species. The German wasp Vespula germanica (Fabricius, 1793) was surprisingly common in south western and southern Finland. Vespula germanica has a short history of occurrence in Finland and seems to have shifted its range northwards, possibly due to climate change. Some common species of the genus Dolichovespula Rohwer, 1916 were likely underrepresented, because they are not very attracted by beer.
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