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Aphids of the genus Diuraphis caught by Johnson suction trap in Pozna�, Poland

Przemysław Strażyński*, Maria Ruszkowska, Arleta Krówczyńska

Department of Entomology, Institute of Plant Protection - National Research Institute, Władysława Węgorka 20, 60-318 Poznań

*Corresponding address:
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Received: September 6, 2016
Accepted: November 13, 2016

Abstract: In 1973-2011 in Poznań, aphid catches were carried out using Johnson's suction trap. Since then the suction trap located at the Institute of Plant Protection - National Research Institute in Poznań has continuously recorded the daily and seasonal dynamics of aphid flights. The collected results has been used to establish one of the largest databases of this type in Europe. The data also allow tracking changes in aphid biodiversity under the changing climatic conditions. Three aphid species of Diuraphis spp. were identified: D. muehlei (Börner, 1950) - in 1974, D. bromicola (Hille Ris Lambers, 1959) - in 1988, D. noxia (Kurdjumov, 1913) - in 2003 as a result of systematic and long-term aphid collections. The occurrence of D. noxia presents a particular risk to cereal crops in Poland. This expansive aphid species that originates from Asia and the Mediterranean is a vector of Barley yellow dwarf viruses (BYDV), and has become one of the most important pest of wheat and barley in the world. Changes in climatic conditions that have been observed in recent years in Poland such as hot summer, long and warm autumn, mild winter seem to be optimal for occurrence and development of aphid species from warmer parts of Europe.

Key words: aphids, Diuraphis spp., Johnson suction trap

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