itsa combination, i believe climate change, rise in temperature, disease and parasites like viruses and varroa mites. additionally they are also inbred so they are genetically weaker, then let see africanized honey bees which are hybrids between african and european bees more healthy but also aggressive. to a lesser effect, they have no defense against japanese giant hornets, unlike the japanese honey bees.
Thought we discovered why this was the case, pesticides.
It’s actually a number of reasons, all man-made. Not enough wild meadows, climate change and yes, pesticides.
itsa combination, i believe climate change, rise in temperature, disease and parasites like viruses and varroa mites. additionally they are also inbred so they are genetically weaker, then let see africanized honey bees which are hybrids between african and european bees more healthy but also aggressive. to a lesser effect, they have no defense against japanese giant hornets, unlike the japanese honey bees.