| identification of nosema bombi fantham and porter 1914 (microsporidia) in bombus impatiens and bombus sandersoni from great smoky mountains national park (usa). | ninety three bumble bees belonging to the genus bombus, subgenus pyrobombus (three bombus vagans, seven bombus bimaculatus, 17 b. sandersoni and 68 b. impatiens) from great smoky mountains national park were examined for microsporidia. light microscopy of calcoflour and trichrome-stained smears, and pcr revealed infection with n. bombi in one specimen each of b. sandersoni and b. impatiens. sizes and shapes of spores in both n. bombi isolates were similar to those described for european isolates ... | 2010 | 19835879 |