First record of Rhagoletis cingulata (Loew) (Dipt., Tephritidae) in Austria
2010
Egartner, A. | Zeisner, N. | Hausdorf, H. | Blümel, S.
The Nearctic eastern cherry fruit fly species Rhagoletis cingulata (Loew) (Dipt., Tephritidae) has been detected several times in different European countries during the last decades. This species as well as Rhagoletis indifferens (Curran) are major pests of cultivated cherries in North America and are classified as quarantine pests in Europe. The introduction and establishment of both species could result in severe problems for Austrian cherry production due to additional infestation pressure caused by overlapping developmental cycles of American and native cherry fruit flies. A survey of both non-European cherry fruit fly species was carried out during the growing seasons of 2007 and 2008 at eleven sampling sites in the eastern part of Austria. Pherocon® AM yellow sticky traps were installed in cherry trees and replaced at weekly or fortnightly intervals. Identification of the cherry fruit flies caught was based on morphological characteristics. Two specimens of R. cingulata were caught in 2007 in different weeks and at different locations while none were caught in 2008. R. indifferens was not detected at all. While it is possible that these specimens originate from established populations with low densities, it is more likely that the catches derived from accidental introductions.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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