''Sagenosoma'' is a genus of

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 ...

s in the family

Sphingidae The Sphingidae are a family of moths commonly called sphinx moths, also colloquially known as hawk moths, with many of their caterpillars known as hornworms. It includes about 1,450 species. It is best represented in the tropics, but species ar ...

, containing only one species, the elsa sphinx moth (''Sagenosoma elsa''), which is known from the south-western

United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...

(Arizona, western New Mexico, southern Utah and Colorado) and northern

Mexico Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundar ...

. The length of the forewings is 23–38 mm. Adults are on wing from mid April to mid August, in either one or two generations. The larvae have been recorded on ''

Lycium pallidum ''Lycium pallidum'' is a species of flowering plant in the nightshade family known by the common names pale wolfberry and pale desert-thorn. It is native to northern Mexico and the southwestern United States. In Mexico it can be found in Sonora, ...

''.

References

Sphingini Monotypic moth genera Taxa named by Karl Jordan Moths described in 1878 Sphingidae genera {{Sphinginae-stub