Aethes williana (Brahm, 1791)
silver carrot conch
polyphagous
parasite
The larva bores in the lower part of the stem, from there descending into the root.
host plants
Apiaceae, Asteraceae
Daucus carota; Eryngium campestre; Ferula; Gnaphalium sylvaticum; Helichrysum arenarium.
phenology
In the UK one generation (larvae from August till April), in Hungary two.
distribution within Europe
larva
Body yellow; head light to dark brown; prothoracic plate yellowish; anal plate with dark point; see Schmid, Swatschek.
pupa
See Patočka & Turčáni.
synonyms
Conchylis zephyrana (Treitschke, 1830).
notes
Sometimes a pest on Daucus.
references
Bradley, Tremewan & Smith (1973a), Disqué (1905a), Fazekas (2008a), Hancock & Bland (2015a), Huisman, Kuchlein, van Nieukerken ao (1986a), Kovács & Kovács (2006a), Patočka & Turčáni (2005a), Schmid (2019a), Swatschek (1958a).