Study coauthor Xinhua Fu, a firefly expert at Huazhong Agricultural University in China, first observed male-only clusters of fireflies on the webs of orb-weaving spiders 20 years ago. Fu also ...

Once orb-weaver spiders ensnare male fireflies in their webs, they turn the doomed insects into bait, using their telltale flashing to lure in more meals. Xinhua Fu at Huazhong Agricultural ...