Liriomyza sonchi Hendel, 1931

Sonchus asper, Nieuwendam

Sonchus asper, Belgium, prov. Limburg, Vucht, Maaswinkel © Zoë Vanstraelen
mine
Brown, upper-surface blotch; often several larvae in a mine. The blotch is preceded by a short initial corridor, often overrun by the later blotch. Frass in a few, small grains. Secondary feeding lines well visible. Pupation outside the mine, exit slit in upper epidermis.
host plants
Asteraceae, oligophagous
Arnoseris minima; Cichorium intybus; Helminthotheca echoides; Lactuca muralis, perennis, serriola; Lapsana; Picris hieracioides; Prenanthes pururea; Reichardia tingitana; Sonchus arvensis, asper, oleraceus, palustris.
Gil Ortiz (2009a) additionally cites: Erigeron, Eryngium, Euphorbia, and Lepidium. These genera are taxonomically so far apart, both from each other and the host listed above that further confirmation is needed.
phenology
Larvae in May-August (Hering, 1957a).
BENELUX
BE recorded (De Bruyn & von Tschirnhaus, 1991a).
NE recorded (de Meijere, 1025a, as L. hieracii on Sonchus).
LUX recorded (Ellis: Kautenbach).
distribution within Europe
From Scandinavia and Finland to the Iberian Peninsula and Italy, and from Ireland to the Baltic States, Poland and Hungary (Fauna Europaea, 2008).
larva
puparium
synonyms
Liriomyza hieracii: de Meijere.
notes
Records of Hieracium as a host plant stem from confusion with L. hieracii and L. hieraciivora (Spencer, 1976a).
references
Andersen (2016a), Beiger (1955a, 1960a, 1979a), Beuk (2002a), De Bruyn & von Tschirnhaus (1991a), Buhr (1932a, 1941b, 1964a), Drăghia (1968a), Gil Ortiz (2009a), Griffiths (1962a), Hering (1936b, 1957a), Huber (1969a), Kabos (1971a), Maček (1999a), Manning (1956a), Masetti, Lanzoni, Burgio & Süss (2004a), de Meijere (1925a, 1939a), Michalska (1976a, 2003a), Nowakowski (1954a), Ostrauskas, Pakalniškis & Taluntytė (2003a), Pakalniškis (1983a), Papp & Černý (2018a), Robbins (1991), Sasakawa (1961a), Skala (1936a), Skala & Zavřel (1945a), Sønderup (1949a), Spencer (1954b, 1967a, 1972a, 1976a), Starý (1930a), Süss (1992a), von Tschirnhaus (1999a), Ureche (2010a), Zoerner (1969a).