chorus of the cicadas: the fascinating tale of magicicada cassini

13year cicada 17year 1846 academy natural sciences american ornithologist anniversary behavior biology cassin 039 periodical cassini cicadas cycle courting discovery display dwarf emergence endemic entomology fly honour insects fisher john life magicicada tredecassini males margaretta morris mass history naturalist north america observation ornithology phenomenon philadelphia population publication report research scientific name sing species specific spectacular swarm synchronize unison wildlife travel bugs loud infestation synchronizing courtship