Knautia arvensis Engeland, Reach Cutting, Cambridgeshire © Ian Barton

mine

Unusually long (up to 16 cm), upper-surface, shallow (whitish) gallery that gradually widens strongly. Sometimes a few small grains of frass in the initial part of the mine. Otherwise the mine is either completely free from frass, or a few big lumps are deposited near the exit slit. Pupation outside the mine.

hostplants

Asteraceae, Caprifoliaceae: narrowly polyphagous

Centaurea atropurpurea, jacea, phrygia subsp. pseudophrygia + stenolepis; Knautia arvensis, dipsacifolia, drymeia, midzorensis; Scabiosa columbaria; Succisa pratensis.

Hering (1924a) also mentions Campanula trachelium.

phenology

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

BENELUX

BE recorded (Mortelmans ao, 2014a).

NE not recorded ((Fauna Europaea, 2007).

LUX not recorded ((Fauna Europaea, 2007).

distribution within Europe

From Scandinavia to Spain, Italy and Roumania, and from Ireland to Belarus (Fauna Europaea, 2007; Gil Ortiz, 2009a).

larva

Rear spiraculum with c. 30 papillae.

synonyms

Paraphytomyza, Phytagromyza similis; Phytagromyza centaureana Hering, 1925; Phytomyza praecedens Strobl, 1898.

references

Beiger (1955a, 1960a, 1965a, 1970a, 1976a), Buhr (1932a, 1941b, 1964a), Černý & Merz (2007a), Černý & Vála (1996a), Černý, Vála & Barták (2001a), Gil Ortiz (2009a), Gil-Ortiz, Martinez & Jiménez-Peydró (2010a), Griffiths (1962a), Hartig (1939a), Hering (1924a, 1925b, 1955b, 1957a), Huber (1969a), Kvičala (1938a), Maček (1999a), Michalska (1970a, 1972a, 1976a), Mortelmans, Boeraeve, Tamsyn, Proesmans & Dekeukeleire (2014a), Nowakowski (1954a), Pakalniškis (1998a), Papp & Černý (2016a), Robbins (1991a), Rydén (1926a), Skala & Zavřel (1945a), Skala (1936a, 1951a), Spencer (1954b, 1972a, 1976a), Starý (1930a), von Tschirnhaus (1999a).