Agonopterix arenella is a species of moth of the family Depressariidae. It is found in all of Europe, except the Iberian Peninsula.
| Agonopterix arenella | |
|---|---|
 | |
 | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Lepidoptera |
| Family: | Depressariidae |
| Genus: | Agonopterix |
| Species: | A. arenella |
| Binomial name | |
| Agonopterix arenella (Denis & Schiffermüller, 1775) | |
| Synonyms | |
| |
The wingspan is 19–23 mm. The forewings are whitish ochreous, more or less suffused with fuscous and sprinkled with dark fuscous; costa spotted with dark fuscous; first discal stigma and a dot obliquely before and above it black; second indistinct, dark fuscous; a dark fuscous spot between and above these; dark fuscous terminal dots. Hindwings are pale whitish-fuscous. The larva is green, paler laterally; dorsal and subdorsal lines dark green; dots blackish; head light brownish-ochreous; 2 with two blackish spots.[1]
The larvae feed on Arctium lappa, Carduus, Carlina, Centaurea jacea, Centaurea nigra, Centaurea scabiosa, Cirsium vulgare, Knautia, Serratula tinctoria and Sonchus. They mine the leaves of their host plant.[2] Larvae can be found from May to early August.