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Phytomyza cecidonomia Hering, 1937 [Diptera: Agromyzidae] Phytomyza cecidonomia Hering, 1937c. Blattminen Mittel- Nordeuropas Lief 5,6: 583. Phytomyza cecidonomia ssp. brittanica Griffiths, 1956b. Entomologist's Gaz. 7: 190. [Synonymised by Spencer, 1976: 399]. Phytomyza cecidonomia ssp. brittanica Griffiths, 1956b; Spencer, 1972b. Handbk ident. Br. Ins. 10(5g): 86 (fig. 286), 88, 113. Phytomyza cecidonomia Hering, 1937c; Spencer, 1976. Fauna ent. Scand. 5 (1): 399-400, figs 698-700. Phytomyza cecidonomia Hering, 1937c; Spencer, 1990. Host specialization in the World Agromyzidae (Diptera) : 259, 266 (figs 1008-9), 267.

Leaf-mine: Larva feeding in the mid-rib, which can swell basally, gall-like, and is frequently accompanied by reddish discolouration (Spencer, 1976: 400). Larva: Details unknown. Puparium: Details unknown. Hosts in Britain: Asteraceae       Hypochaeris     Pitkin, in Pitkin & Plant, 2005 Hypochaeris radicata Cat's-ear Mines in BMNH Hypochaeris radicata Cat's-ear Robbins, 1991: 124 Hypochaeris radicata Cat's-ear Spencer, 1972b: 113 Hosts elsewhere: Asteraceae       Hypochaeris radicata Cat's-ear Spencer, 1976: 400 Hypochaeris radicata Cat's-ear Spencer, 1990: 259 Hypochaeris radicata Cat's-ear Nederlandse bladmineerders Time of year - mines: April-May. Mines can be found at the end of April in the basal rosette of leaves before the appearance of the flowering stem. Time of year - adults: Unknown. Distribution in Great Britain & Ireland: Widespread. Kent (Westerham), Surrey (Buckland, Chiddingfold), Herts (Scratch Wood), Dorset (Lyme Regis), Dunbarton, Glamorgan (Gower peninsula) (Spencer, 1972b: 88), Warwick (Keresley) (Robbins, 1991: 124) and Cambridge (NBN Gateway distribution map - DF and NE). Also recorded in the Republic of Ireland: Co. Clare (Mullagh More) (Spencer, 1972b: 88). NBN Distribution maps of known host species: Distribution elsewhere: Europe including Denmark, Norway, Germany (Spencer, 1976: 400), French mainland, Poland and Sweden (Martinez in Fauna Europaea). Parasitoids: Unknown.

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Last updated 14-Dec-2008  Brian Pitkin