The cynic in me wonders if we're simply doomed to having these useful species die off at this point. We've killed off a great deal of nature already, and it seems the major voting populations in our democracies are insulated enough in concrete cities and modern conveniences to not really care enough to force politicians to address these issues. And also, there's not much money in it compared to other courses of actio…
Wealthy countries who have industrial agriculture will be fine (although arguably the world will be poorer for the loss), but poor countries will be 100% fucked if they lose their pollinators.