“Honey bee populations in the US have declined by 60 per cent since the mid 20th century, largely due to habitat loss and use of pesticides, according to Greenpeace USA...”
Also due to fewer and fewer beekeepers. I’m one of the last in my area and there used to be dozens :(
When I was a kid the old man across the street had several hives in his back yard. I’d spend hours over there helping him.