Bed bugs have re-emerged as an urban blight ... But researchers are building bug-catchers inspired by an age-old folk remedy to this “ancient scourge”: kidney bean leaves.

Eight times each summer they ply the wetlands to collect specimens for their exhibits Whirling above the bug catchers like multicolored snowflakes on a fiercely windy night, the insects swarm ...

Bed bugs have re-emerged as an urban blight ... But researchers are building bug-catchers inspired by an age-old folk remedy to this “ancient scourge”: kidney bean leaves.