Reference

S.M. Hossain (1992): Comparison of sampling techniques for the European red mite, Panonychus ulmi (Koch)(Acari: Tetranychidae) and the apple rust mite, Aculus schlechtendali (Nalepa)(Acari: Eriophyidae) – Acta Agric. Scand., Sect. B., Soil Plant Sci. – 42: 128 - 132.