Definition of "nosema"

Nosema disease:

1. An infectious disease of adult honey bees caused by some microsporidian parasites of the genus Nosema.  quotations  examples

   Quotations

   • There were problems in my dad’s day: ants, skunks, wax moths and a couple of deadly but well-known bee diseases, like foulbrood and nosema.

     2007 February 22, Verlyn Klinkenborg, “Keeping Bees Among Us”, in New York Times‎

2. (possibly dated) Pébrine, a disease of silkworms, also caused by Nosema parasites.  examples