About Cosmopterix attenuatella (Walker, 1864)
Cosmopterix attenuatella is a species of moth in the family Cosmopterigidae, first described by Francis Walker in 1864. It has a wide distribution across the tropics and subtropics of both the Old World and New World. Confirmed recorded locations include the United States, Bermuda, the Cayman Islands, Virgin Islands, Dominica, Jamaica, Puerto Rico, Trinidad and Tobago, Costa Rica, Brazil, Ecuador, Peru, Argentina, the Canary Islands, Madeira, the Galápagos Islands, Cook Islands, Taiwan, Australia, New Zealand, China, Japan, Madagascar, Seychelles, Mauritius and Saint Helena. This moth has an approximate wingspan of 9 mm. The larvae of Cosmopterix attenuatella feed on Melinus minutiflora (a grass species in the family Poaceae), Cyperus rotundus, and plants in the Scirpus genus. Larvae feed by mining into the leaves of their host plants.
