Summary of Siological doctoral thesis: Studying on the component of honey bee species (Hymenoptera: Apidae) and the ability to use some species as an indicator estimating environmental pollution on affected ecosystems in the North of Vietnam

Studying species component, distribution of honey bee species belonging to the family of Apidae, analyzing the ecological relations and determining for using some honey bee species as an indicator of environmental pollution on the affected ecosystems (farm ecosystems, perennial garden ecosystems, cultivated forest ecosystems and evergreen forest ecosystems) in some provinces in the Northern Vietnam, contributing to the conservation of honey bee species and producing highquality honey products for the economic development of local people.