Haiku poems have reflected humans’ experiences in nature for hundreds of years, including observations of bugs and other wildlife. Recently, Penn State researchers analyzed which insects were mentioned the most in haiku—with butterflies, fireflies and singing insects such as crickets topping the list. Haiku poems have reflected humans’ experiences in nature for hundreds of years, including observations of bugs and other wildlife. Recently, Penn State researchers analyzed which insects were mentioned the most in haiku—with butterflies, fireflies and singing insects such as crickets topping the list. Plants & Animals Ecology Phys.org – latest science and technology news stories