''Dialectica imperialella'' 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 ...

of the family

Gracillariidae Gracillariidae is an important family of insects in the order Lepidoptera and the principal family of leaf miners that includes several economic, horticultural or recently invasive pest species such as the horse-chestnut leaf miner, ''Camerar ...

. It is found from

Denmark ) , song = ( en, "King Christian stood by the lofty mast") , song_type = National and royal anthem , image_map = EU-Denmark.svg , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of Denmark , establishe ...

to the

Pyrenees The Pyrenees (; es, Pirineos ; french: Pyrénées ; ca, Pirineu ; eu, Pirinioak ; oc, Pirenèus ; an, Pirineus) is a mountain range straddling the border of France and Spain. It extends nearly from its union with the Cantabrian Mountains to ...

Italy Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical ...

and

Romania Romania ( ; ro, România ) is a country located at the crossroads of Central, Eastern, and Southeastern Europe. It borders Bulgaria to the south, Ukraine to the north, Hungary to the west, Serbia to the southwest, Moldova to the east, a ...

and from

Great Britain Great Britain is an island in the North Atlantic Ocean off the northwest coast of continental Europe. With an area of , it is the largest of the British Isles, the largest European island and the ninth-largest island in the world. It is ...

Russia Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-eigh ...

and

Ukraine Ukraine ( uk, Україна, Ukraïna, ) is a country in Eastern Europe. It is the second-largest European country after Russia, which it borders to the east and northeast. Ukraine covers approximately . Prior to the ongoing Russian invas ...

. Adults are on wing in May and June in one generation. The

larva A larva (; plural larvae ) is a distinct juvenile form many animals undergo before metamorphosis into adults. Animals with indirect development such as insects, amphibians, or cnidarians typically have a larval phase of their life cycle. Th ...

e feed on ''

Buglossoides purpurocaerulea ''Lithospermum purpurocaeruleum'' (syn. ''Buglossoides purpurocaerulea''), the purple gromwell, is a herbaceous perennial rhizomatous plant of the genus ''Lithospermum'', belonging to the family Boraginaceae. Etymology The Latin name of the spe ...

'', ''

Lithospermum officinale ''Lithospermum officinale'', or common gromwell or European stoneseed, is a flowering plant species in the family ''Boraginaceae'', native to Eurasia. It is the host plant for caterpillars of the monophagous moth ''Ethmia dodecea''. Descriptio ...

'', ''

Pulmonaria angustifolia ''Pulmonaria angustifolia'', the narrow-leaved lungwort or blue cowslip, is a species of flowering plant in the family Boraginaceae, native to central and north eastern Europe. Growing to tall by broad, it is an herbaceous perennial with hairy ...

'', ''

Pulmonaria officinalis ''Pulmonaria officinalis'', common names lungwort, common lungwort, Mary's tears or Our Lady's milk drops, is a herbaceous rhizomatous evergreen perennial plant of the genus '' Pulmonaria'', belonging to the family Boraginaceae. Etymology The g ...

'' and ''

Symphytum officinale ''Symphytum officinale'' is a perennial flowering plant in the family Boraginaceae. Along with thirty four other species of ''Symphytum'', it is known as comfrey. To differentiate it from other members of the genus ''Symphytum'', this species ...

''. They

mine Mine, mines, miners or mining may refer to: Extraction or digging * Miner, a person engaged in mining or digging *Mining, extraction of mineral resources from the ground through a mine Grammar *Mine, a first-person English possessive pronoun ...

the leaves of their host plant.

References

Dialectica (moth) Moths of Europe Moths of Asia Moths described in 1847 {{Acrocercopinae-stub