''Cydia splendana'', the chestnut tortrix, 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

Tortricidae The Tortricidae are a family of moths, commonly known as tortrix moths or leafroller moths, in the order Lepidoptera. This large family has over 11,000 species described, and is the sole member of the superfamily Tortricoidea, although the genus ...

. It is found in Europe. It is also known as the acorn moth, but this can also refer to ''

Blastobasis glandulella ''Blastobasis glandulella'' is a species of moth of the family Blastobasidae. It is found in the eastern United States and southern Ontario, Canada. It has also been recorded in California. In Europe, it has been recorded from Austria, Germany, ...

'' from North America, which belongs to the more primitive family

Blastobasidae The Blastobasidae are a family of moths in the superfamily Gelechioidea. Its species can be found almost anywhere in the world, though in some places they are not native but introduced by humans. In some arrangements, these moths are included in ...

. The

wingspan The wingspan (or just span) of a bird or an airplane is the distance from one wingtip to the other wingtip. For example, the Boeing 777–200 has a wingspan of , and a wandering albatross (''Diomedea exulans'') caught in 1965 had a wingspan o ...

is 12–16 mm. The moth flies from May to September depending on the location. The larvae feed on oak and

sweet chestnut ''Castanea sativa'', the sweet chestnut, Spanish chestnut or just chestnut, is a species of tree in the family Fagaceae, native to Southern Europe and Asia Minor, and widely cultivated throughout the temperate world. A substantial, long-lived ...

, and perhaps also ''

Juglans Walnut trees are any species of tree in the plant genus ''Juglans'', the type genus of the family Juglandaceae, the seeds of which are referred to as walnuts. All species are deciduous trees, tall, with pinnate leaves , with 5–25 leaflets ...

'' species. The larvae develop mostly in mature chestnut fruits.

References

External links

Lepidoptera of Belgium

Microlepidoptera.nl

UK Moths
Grapholitini Moths described in 1799 Tortricidae of Europe {{Olethreutinae-stub