Application of Beauveria bassiana

The “white muscardine” fungus which is known as Beauveria bassiana is one of several entomopathogenic fungal organisms that are labeled for use in managing a wide array of insects in greenhouses and in nurseries. Beauveria bassiana as an entomopathogenic fungus have the capacity to penetrate the cuticle and kill almost every insect that it comes in contact with. While this is generally a good thing, Beauveria bassiana may also kill some biocontrol agents like ladybird beetles if they become exposed to it.

Ladybird beetles inadvertently killed by the “white muscardine fungus” (Beauveria bassiana) in a PA greenhouse. Photo by Tom Ford, Penn State

Beauveria bassiana is considered by many entomologists as one of the more effective biocontrol agents to deploy as a plug or cutting dip. Insects and some mites when exposed to this entomopathogenic fungus typically die within 4-5 days after exposure.


Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s