''Hypenula cacuminalis'', the long-horned owlet moth, is a

moth Moths are a paraphyletic group of insects that includes all members of the order Lepidoptera that are not butterflies, with moths making up the vast majority of the order. There are thought to be approximately 160,000 species of moth, many of w ...

of the family

Erebidae The Erebidae are a family of moths in the superfamily Noctuoidea. The family is among the largest families of moths by species count and contains a wide variety of well-known macromoth groups. The family includes the underwings ('' Catocala'') ...

. The species was first described by Francis Walker in 1859. It is found from the south-eastern United States west to

Texas Texas (, ; Spanish language, Spanish: ''Texas'', ''Tejas'') is a state in the South Central United States, South Central region of the United States. At 268,596 square miles (695,662 km2), and with more than 29.1 million residents in 2 ...

and

Arizona Arizona ( ; nv, Hoozdo Hahoodzo ; ood, Alĭ ṣonak ) is a state in the Southwestern United States. It is the 6th largest and the 14th most populous of the 50 states. Its capital and largest city is Phoenix. Arizona is part of the Fou ...

. The length of the forewings is 13–14 mm. Adults are mostly on wing from May to August, but have been recorded on wing from January to November in Florida. There are multiple generations per year in the southern part of the range. The larvae probably feed on dead organic matter, such as dead leaves. Larvae can be found nearly year round.

References

Moths described in 1859 Herminiinae Moths of North America {{Herminiinae-stub