Pathogenicity of some isolates of Beauveria bassiana (Bals.) Vuill. and Metarhizium anisopliae (Metsch.) Sorokin on 2nd and 4th larval instars of Colorado potato beetle, Leptinotarsa decemlineata (Say) (Col.: Chrysomelidae), under laboratory conditions
Jamshid Akbarian1*, Youbert Ghosta1, Nouraddin Shayesteh1,2 and Seyed Ali Safavi1
¹Department of Plant Protection, Faculty of Agriculture, Urmia University, Urmia, Iran.
²Department of Plant Protection, Mahabad Branch, Islamic Azad University, Mahabad, Iran.
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