| first detection of nosema ceranae, a microsporidian parasite of european honey bees (apis mellifera), in canada and central usa. | nosema ceranae is an emerging microsporidian parasite of european honey bees, apis mellifera, but its distribution is not well known. six nosema-positive samples (determined from light microscopy of spores) of adult worker bees from canada (two each from nova scotia, new brunswick, and prince edward island) and two from usa (minnesota) were tested to determine nosema species using previously-developed pcr primers of the 16s rrna gene. we detected for the first time n. ceranae in canada and centr ... | 2008 | 17897670 |
| deformed wing virus in western honey bees (apis mellifera) from atlantic canada and the first description of an overtly-infected emerging queen. | deformed wing virus (dwv) in western honey bees (apis mellifera) often remains asymptomatic in workers and drones, and symptoms have never been described from queens. however, intense infections linked to parasitism by the mite varroa destructor can cause worker wing deformity and death within 67 h of emergence. ten workers (eight with deformed wings and two with normal wings) and three drones (two with deformed wings and one with normal wings) from two colonies infected with v. destructor from ... | 2009 | 19373971 |