''Trogolegnum'' 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, ''Trogolegnum pseudambulyx'', which is known from

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 ...

Description

The forewing is strongly excavate below the apex especially in males. The proboscis is very short and weak. The forewing colour and pattern are similar to '' Adhemarius donysa'' but the subbasal band extends to the costal edge.

References

Ambulycini Monotypic moth genera Taxa named by Walter Rothschild Taxa named by Karl Jordan Moths of North America Sphingidae genera {{Ambulycini-stub