Reduced Pollen Collection by Honey Bee (Hymenoptera: Apidae) Colonies Infected with Nosema apis and Sacbrood Virus

Journal of Economic Entomology - Tập 85 Số 1 - Trang 47-51 - 1992
Denis Anderson1, Helen Giacon1
1DSIR Plant Protection Mt. Albert Research Centre, Private Bag, Auckland, New Zealand

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