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Phytomyza marginella Fallén, 1823 [Diptera: Agromyzidae] Phytomyza marginella Fallén, 1823b. Phytomyzides et Ochtidiae Sveciae : 3. Phytomyza sonchi Robineau-Desvoidy, 1851. Rev. Mag. Zool. (2)3: 400. Phytomyza sonchi Robineau-Desvoidy, 1851; Hendel, 1935. Fliegen palaearkt. Reg. 6(2): 481. Phytomyza marginella Fallén, 1823b; Spencer, 1972b. Handbk ident. Br. Ins. 10(5g): 76 (figs 250-1), 80, 114, 115. Phytomyza marginella Fallén, 1823b; Spencer, 1976. Fauna ent. Scand. 5(1): 444-6, figs 779-80. Phytomyza marginella Fallén, 1823b; Spencer, 1990. Host specialization in the World Agromyzidae (Diptera) : 175, 259, 266 (fig. 1006), 267.

Leaf-mine: Larva mining both lower and upper surface, unusually long, linear, conspicuously broad, frequently largely on the underside of the leaf. Pupation external (Spencer, 1972b: 76 (fig. 251); Spencer, 1976: 445 (fig. 780), 446). The mine is illustrated in Nederlandse bladmineerders. Mine of Phytomyza marginella on Lapsana communis. Image: Willem Ellis (Source: Nederlandse bladmineerders) Larva: The larva is described by de Meijere (1937, as sonchi) and Griffiths (1977). Puparium: Black; posterior spiracles each with up to 30 bulbs (Spencer, 1976: 446). Hosts in Britain: Asteraceae       Crepis     Robbins, 1991: 124 Crepis vesicaria Beaked Hawk's-beard Mines in BMNH Hieracium     Mines in BMNH Hieracium     Robbins, 1991: 124 Hieracium perpropinquum   Robbins, 1989: 25 Lapsana     Mines in BMNH Lapsana     Robbins, 1991: 124 Lapsana communis Nipplewort Mines in BMNH Lapsana communis Nipplewort Spencer, 1972b: 114 Picris sp.   Spencer, 1972b: 114 Picris echioides Bristly Oxtongue Mines in BMNH Picris hieracioides Hawkweed Oxtongue Mines in BMNH Pilosella officinarum Mouse-ear-hawkweed Robbins, 1989: 25 (as Hieraciumpilosella) Senecio aquaticus Marsh Ragwort Bland, 1992 Sonchus     Robbins, 1991: 124 Sonchus arvensis Perennial Sow-thistle Robbins, 1989: 25 Sonchus asper Prickly Sow-thistle Robbins, 1989: 25 Sonchus oleraceus Smooth Sow-thistle Mines in BMNH Sonchus oleraceus Smooth Sow-thistle Spencer, 1972b: 115 Taraxacum     Robbins, 1991: 124 Taraxacum officinale Dandelion Mines in BMNH Taraxacum officinale Dandelion Spencer, 1972b: 115 Hosts elsewhere: Asteraceae       Cicerbita     Spencer, 1976: 446 Crepis     Spencer, 1976: 446 Crepis     Spencer, 1990: 259 Crepis paludosa Marsh Hawks-beard Nederlandse bladmineerders Hieracium     Spencer, 1990: 259 Hieracium     Nederlandse bladmineerders Hypochaeris radicata Cat's-ear Nederlandse bladmineerders Lactuca     Spencer, 1976: 446 Lactuca     Spencer, 1990: 259 Lactuca     Nederlandse bladmineerders Lapsana     Spencer, 1976: 446 Lapsana     Spencer, 1990: 259 Lapsana communis Nipplewort Nederlandse bladmineerders Leontodon     Spencer, 1990: 259 Leontodon autumnalis Autumn Hawkbit Nederlandse bladmineerders Leontodon hispidus Rough Hawkbit Nederlandse bladmineerders Mycelis muralis Wall Lettuce Nederlandse bladmineerders Picris     Spencer, 1976: 446 Picris     Spencer, 1990: 259 Picris     Nederlandse bladmineerders Prenanthes     Spencer, 1976: 446 Prenanthes     Spencer, 1990: 259 Reichardia     Spencer, 1990: 259 Sonchus     Spencer, 1976: 446 Sonchus asper Prickly Sow-thistle Nederlandse bladmineerders Sonchus oleraceus Smooth Sow-thistle Nederlandse bladmineerders Taraxacum     Spencer, 1976: 446 Taraxacum     Spencer, 1990: 301 Taraxacum officinale Dandelion Nederlandse bladmineerders Time of year - mines: May-October. Time of year - adults: August. Distribution in Britain: Widespread in south, also Sutherland (Golspie) (Spencer, 1972b: 80), Inner Hebrides (Isle of Coll) (Bland, 1992) and Warwick (Corley) (Robbins, 1991: 124). Also recorded in the Republic of Ireland, Co. Cork (Bantry), Co. Galway (Clifden) (Spencer, 1972b: 80). Distribution elsewhere: Widespread in much of Europe including Denmark, Finland, Norway, Sweden (Spencer, 1976: 446), The Netherlands, Luxembourg (Nederlandse bladmineerders), Belgium (Scheirs, de Bruyn & Verdyck, 1993), Germany (Spencer, 1976: 574), Austria, Corsica, Czech Republic, Finland, French mainland, Hungary, Italian mainland, Lithuania, Poland and Romania (Martinez in Fauna Europaea). Parasitoids: Chrysocharis pentheus (Walker, 1839) Hymenoptera: Eulophidae Diglyphus chabrias (Walker) Hymenoptera: Eulophidae Miscogaster elegans Walker Hymenoptera: Pteromalidae Seladerma tarsale (Walker) Hymenoptera: Pteromalidae

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Last updated 25-Aug-2008  Brian Pitkin