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Phytomyza medicaginis Hering, 1925 [Diptera: Agromyzidae] Phytomyza medicaginis Hering, 1925. Z. Morph. Okol. Tiere 4: 510. Phytomyza symphyti Hendel, 1935. Fliegen palaearkt. Reg. 6(2): 486. [Included as a synonym by Martinez in Fauna Europaea] Phytomyza symphyti Hendel, 1935; Spencer, 1972b. Handbk ident. Br. Ins. 10(5g): 86 (fig. 294), 90, 109. Phytomyza symphyti Hendel, 1935; Spencer, 1990. Host specialization in the World Agromyzidae (Diptera) :198, 199, 200 (figs 746-7).

Leaf-mine: Mine initially linear, later developing into a whitish blotch, becoming blackish. Pupation in mine on lower surface. The mine is illustrated in Nederlandse bladmineerders. Mine of Phytomyza medicaginis on Symphytum officinale Image: Willem Ellis (Source: Nederlandse bladmineerders) Larva: The larva is illustrated in Nederlandse bladmineerders. Puparium: Normally dark reddish-brown. The puparium is illustrated in Nederlandse bladmineerders. Comments: Martinez (2004 in Fauna Europaea) included symphyti Hendel (1935) as a junior synonym of medicaginis Hering (1925). Hosts in Britain: Boraginaceae       Symphytum     Mines in BMNH Symphytum     Robbins, 1991: 96 Symphytum officinale Common Comfrey Spencer, 1972b: 109 Symphytum officinale Common Comfrey Bland, 1994c: 84 Hosts elsewhere: Boraginaceae       Brunnera macrophylla Great Forget-me-not Nederlandse bladmineerders Echium   Spencer, 1990: 199 Echium vulgare Viper's-bugloss Nederlandse bladmineerders Lithospermum officinale Common Gromwell Nederlandse bladmineerders Symphytum spp.   Spencer, 1990: 198 Symphytum officinale Common Comfrey Nederlandse bladmineerders Time of year - mines: August, October. Time of year - adults: September-October. Distribution in Britain: Local but widespread. Oxford (Oxford), Devon (Slapton), Hunts (Woodwalton Fen), Derby (Miller's Dale) (Spencer, 1972b: 90), East Lothian (Longniddry) (Bland, 1994c: 84) and Warwick (Bedford) (Robbins, 1991: 96). Distribution elsewhere: Europe (Spencer, 1990: 198) including Belgium, Czech Republic, French mainland, Germany, Lithuania and Poland (Martinez in Fauna Europaea). Parasitoids: Chrysocharis amyite (Walker, 1839) Hymenoptera: Eulophidae Chrysocharis orbicularis (Nees, 1834) Hymenoptera: Eulophidae Chrysocharis liriomyzae Delucchi, 1954 Hymenoptera: Eulophidae Chrysocharis pubicornis (Zetterstedt, 1838) Hymenoptera: Eulophidae Miscogaster elegans Walker, 1833 Hymenoptera: Pteromalidae Miscogaster maculata Walker, 1833 Hymenoptera: Pteromalidae Miscogaster rufipes Walker, 1833 Hymenoptera: Pteromalidae

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Last updated 30-Sep-2008  Brian Pitkin