Beauveria bassiana
Scientific classification
Binomial name Beauveria bassiana (Bals.-Criv.) Vuill.
the insect disease caused by the fungus is called white muscardine disease.
http://en.wikipedia.org/wiki/Beauveria_bassiana
http://www.epernicus.com/ak79
http://bioprotection.org.nz/287/scanning-electron-micrograph-beauveria-bassiana-conidia-and-phialides