Abstract

The occurence of Dreissena bugensis (Andrusov 1897) from the Romanian Danube is reported. This represents the most westward occurrence point of quagga mussel in Europe.

Highlights

  • Dreissena bugensis was found by Andrusov in 1890 in a narrow region of the Bug river

  • Later (1940–1990) D. bugensis started to spread to the north of the Black Sea, Dnjepr river and Volga basin. (ZHULIDOV et al 2005, ORLOVA et al 2004)

  • The species is absent from Western Europe, but it was found in the Great Lakes in North America, in 1989 (MAY & MARSDEN 1992)

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Summary

Introduction

Dreissena bugensis (quagga mussel, Fig. 2, 3) was found by Andrusov in 1890 in a narrow region of the Bug river. The species remained in its natural range until 1940, when it began to spread in the Ponto-Azov basin (ZHULIDOV et al 2004).

Results
Conclusion

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