We demonstrated that a dried mycelium formulation of an indigenou s strain of Metarhizium anisopliae has good potential as an eVective biopesticide agains t the black vine weevil (BVW), Otiorhynchu s sulcatus (F.), and the cranberry girdler (CG), Chrysoteuchia topiaria (Zeller). The formulation was produced at moderate sized batches scales (~100 g product per batch) using inexpensive and easily obtainable equipment (< US$1000). Levels of conidiatio n were consistent among production batches and storage intervals with the product remaining viable for long time periods at 4ë C, in one case for more than a year. Levels of contaminatio n by yeasts and other benign fungi were also consistent. Fewer BVW and CG were found in small plots treated with the dried mycelium formulation than in untreated plots, but diVerences were not always signiWcant. A waxmoth (Galleria mellonella) bait bioassay demonstrated the formulation remained viable in the soil over long time periods (> 7 months). Percentage of M. anisoplia e infected waxmoth larvae was signiWcantly aVected by rate.
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