Smaller in diameter that a dime and cute as can be, the coqui frog is nonetheless much maligned here on Hawaii Island. Many view the little buggahs as disruptors of the peace, invaders who have turned our once quiet evenings riotous. By contrast, the bitty frogs are much beloved in their native Puerto Rico, and threatened there as a species. But they thrive here, the first of them having arrived as stow-aways on imported plants sometime in the 90s. Named for their sound -- coQUI, coQUI -- only the males sing, and only after dark. During the day, the frogs are quiet. For a time, it was all out war against the frogs. The county advocated and supplied a variety of chemical sprays -- caffeine, citric acid, hydrated lime -- with huge promotional campaigns aimed at eradication. They're still here, more than ever and in the Puna and Hilo districts here in The Big Island, it would appear that, for lack of funding in these austere times and a waning of the will to murder the little beasts, ...