sentences:  When first introduced, neonicotinoids were thought to have low toxicity to many insects, but recent research has suggested a potential toxicity to honey bees and other beneficial insects even with low levels of exposure.Neonicotinoids may induce multiple sublethal effects in exposed bees (for a thorough review see ), e.g.they affect bees' ability to fly and forage, learn and remember navigation routes to and from food sources.