''Udea ialis'' is a

moth Moths are a group of insects that includes all members of the order Lepidoptera that are not Butterfly, butterflies. They were previously classified as suborder Heterocera, but the group is Paraphyly, paraphyletic with respect to butterflies (s ...

in the family

Crambidae Crambidae comprises the grass moth family of lepidopterans. They are variable in appearance, with the nominal subfamily Crambinae (grass moths) taking up closely folded postures on grass stems where they are inconspicuous, while other subfamilies ...

. It was described by Francis Walker in 1859. It is found in

Brazil Brazil, officially the Federative Republic of Brazil, is the largest country in South America. It is the world's List of countries and dependencies by area, fifth-largest country by area and the List of countries and dependencies by population ...

and

Bolivia Bolivia, officially the Plurinational State of Bolivia, is a landlocked country located in central South America. The country features diverse geography, including vast Amazonian plains, tropical lowlands, mountains, the Gran Chaco Province, w ...

. Adults are pale cinereous (ash-gray) fawn, the forewings are slightly and minutely speckled with black, with a large purplish-blackish patch which occupies the exterior border with the exception of the tip, and contains some pale marginal points. There are three costal subapical points and the orbicular and reniform marks form two incomplete black ringlets. The hindwings are white, semi

hyaline A hyaline substance is one with a glassy appearance. The word is derived from , and . Histopathology Hyaline cartilage is named after its glassy appearance on fresh gross pathology. On light microscopy of H&E stained slides, the extracellula ...

and iridescent, with a brown border, which does not extend to the interior angle.''List of the Specimens of Lepidopterous Insects in the Collection of the British Museum''

References

Moths described in 1859 ialis {{Udea-stub