''Pachygonidia ribbei'' is a moth of the family Sphingidae first described by Herbert Druce in 1881. It is known from Peru, Panama and

Costa Rica Costa Rica (, ; ; literally "Rich Coast"), officially the Republic of Costa Rica ( es, República de Costa Rica), is a country in the Central American region of North America, bordered by Nicaragua to the north, the Caribbean Sea to the no ...

. The wingspan is 56–62 mm. It can be distinguished from all other ''

Pachygonidia ''Pachygonidia'' is a genus of moths in the family Sphingidae described by David Stephen Fletcher in 1982. Species *'' Pachygonidia caliginosa'' (Boisduval, 1870) *'' Pachygonidia drucei'' (Rothschild & Jordan Jordan ( ar, الأردن; ...

'' species by the lack of distinct pale bands on the hindwing upperside. There is a distinct and large pale brown submarginal patch on the forewing upperside, as well as diffuse patches of pale violet scales on the median and posterior parts of the wing. There are probably multiple generations per year. The larvae feed on '' Hamelia patens'' and '' Hamelia axilaris''. There are green and brown larval forms.

References

Pachygonidia Moths described in 1881 Taxa named by Herbert Druce Sphingidae of South America Moths of Central America {{Dilophonotini-stub