Sudden change in temperature most likely caused this giant swarm of bees to die

bees dead mass colapse colony swarm died sad climate change dying earth ccd collapse disorder honey disappearance apis mellifera habitat acarapis pesticides pathogens immunodeficiency pollination end neonicotinoid disease feral tracheal mites varroa bayer dieoff low numbers tragic apocalyptic nass losses hive pollinators agrochemicals species extiction health virus cold