Thiodia torridana (Lederer, 1859)

mine

Full depth, transparent, very irregular, quite broad corridor or elongate blotch, usually descending from the leaf tip. Much granular frass, concentrated in the first section of the mine and along the sides. After hibernation the larva vacates its mine, spins some leaves together and causes window feeding.

hostplants

Asteraceae, monophagous

Aster amellus.

Records of other hostplant (Aster novi-belgii; Hieracium; Silene; Solidago canadensis; Succisa) are proably incorrect (Hering, 1960a).

phenology

Larvae from September till May; ; the larva hibernates in the mine.

BENELUX

Not known from the Benelux countries (Fauna Europaea, 2009).

distribution within Europe

From Germany to Italy, and from France to the Ukraine (Fauna Europaea, 2009); also the former CSSR (Hering, 1960a).

synonyms

Foveifera hastana (Hübner, 1796-1799).

references

Hering (1960a), Kasy (1987a).

mod 30.viii.2018