ThalainaThalaina is a genus of moths in the family Geometridae first described by Walker (entomologist)|Francis Walker] in 1855.SpeciesSpecies include:Thalaina allochroa Oswald Bertram [Lower |Lower], 1902Thalaina angulosa Walker, 1865Thalaina clara Walker, 1855Thalaina inscripta Walker, 1855Thalaina kimba McQuillan, 1981Thalaina macfarlandi Wilson, 1972Thalaina paronycha Lower, 1900Thalaina selenaea Doubleday, 1845Thalaina tetraclada Lower, 1900