Yes and no. There are insects of all varieties in Kenya and of course there are mosquitoes, mostly on the Coast however, but nothing worse then you have seen anywhere else. In fact the twilight hour in the Adirondacks is far more apt to send you running for cover than anything you will encounter in Kenya. If the sight of a gecko sends you flying though, maybe a trip to Kenya is best avoided. Probably the worst thing is the moisture seeking flies in the very dry areas of Kenya. They are very annoying, but then again most people never get to those remote places and so you are very unlikely to encounter them. You will not however, walk into huge swarms of killer bees or step across acres of crunching bugs under your feet. Snakes do exist of course, but are rarely seen. By anyone. This is, after all, not the set of Indiana Jones.