Neonicotinoid pesticides are the biggest reason, I bet! With bees, also there's bee diseases that have become worse, for some reason. Environment is getting worse and insects as a whole group are more sensitive to the changes.
I would feel more optimistic about a bright future for man if he spent less time proving that he can outwit Nature and more time tasting her sweetness and respecting her seniority. E. B.White
Integrity can never be taken. It can only be given, and I wasn't going to give it up to these people. Gary Mowad