''Cerdaia testacea'' is a species of

longhorn beetle The longhorn beetles (Cerambycidae), also known as long-horned or longicorns, are a large family of beetles, with over 35,000 species described. Most species are characterized by extremely long antennae, which are often as long as or longer than ...

in the Cerambycinae subfamily. It was described by Cerda in 1980.Bezark, Larry G
A Photographic Catalog of the Cerambycidae of the World.
It is known from

Chile Chile, officially the Republic of Chile, is a country in the western part of South America. It is the southernmost country in the world, and the closest to Antarctica, occupying a long and narrow strip of land between the Andes to the east a ...

References

Achrysonini Beetles described in 1980 Endemic fauna of Chile {{Achrysonini-stub