Two gut parasites accelerate honeybee aging, threatening colony stability

Two common gut parasites have been found to alter the behavior and physiology of honeybees in ways that could harm the health and productivity of entire colonies.

Phys.org
#beekeeping question from an Apprentice - is a 400X power #microscope all one would need for things like #nosema spore inspection or other related needs? I have a background in biology and know the basics of microscope use. Also do you have recommended basic microscopes?