Plant Parasites of Europe

leafminers, galls and fungi

Trachys troglodytes

Trachys troglodytes Gyllenhal, 1817

Trachys troglodytes mine

Succisa pratensis, Belgium, prov. Brabant Wallon, Rixensart, le Carpu: upperside of the leaf, with oviposition droplet © Jean-Yves Baugnée

Trachys troglodytes: occupied mine on Succisa pratensis

Succisa pratensis, Belgium, prov. Namur, Agimont © Jean-Yves Baugnée

Trachys troglodytes: occupied mine on Succisa pratensis

Succisa pratensis, Belgium, prov. Namur, Dourbes © Stéphane Claerebout

mine

Full depth, transparant blotch. Oviposition site, at the leaf upper surface, covered by a brownish black drop of hardened secretion. Frass in granules or thread fragments. Pupa in the mine, not in a cocoon.

host plants

Caprifoliaceae, oligophagous

Cephalaria; Knautia arvensis, dipsacifolia; Scabiosa canescens, columbaria; Succisa pratensis.

Succisa seems the normal host plant.

phenology

Larvae in June-July (Hering, 1957a).

BENELUX

BE observed (Bilý, 2002a; Fauna Europaea, 2007).

NE observed (Vorst, 2009a).

LUX observed (Fauna Europaea, 2007).

distribution within Europe

Almost all of Europe, Ireland excluded (Fauna Europaea, 2007).

larva

references

Allen (1969a), Bilý (1982a, 1993a), Brechtel & Kostenbader (2002a), Buhr (1933a, 1964a), Gottwald & Hornburg (2004a), Hering (1925b, 1930a, 1957a), Niehuis (2004a), Robbins (1991a), Schaefer (1949a), Sønderup (1949a), Théry (1942a), Verdugo Páez (2002a), Volkovitsh (2004a), Vorst (2009a).

Last modified 27.ii.2021