Imagine beetles ejecting defensive sprays as hot as boiling water; female moths holding their mates for ransom; caterpillars disguising themselves as flowers by fastening petals to their bodies; termites emitting a viscous glue to rally fellow soldiers--and you will have entered an insect world once beyond imagining, a world observed and described down to its tiniest astonishing detail by Thomas Eisner. The story of a lifetime of such minute explorations, For Love of Insects celebrates the small creatures that have emerged triumphant on the planet, the beneficiaries of extraordinary...