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Phytomyza obscurella Fallén, 1823 [Diptera: Agromyzidae] Phytomyza obscurella Fallén, 1823b. Phytomyzides et Ochtidiae Sveciae : 4. Phytomyza obscurella Fallén, 1823b; Hendel, 1935. Fliegen palaearkt. Reg. 6(2): 443. Phytomyza obscurella Fallén, 1823b; Spencer, 1972b. Handbk ident. Br. Ins. 10(5g): 69, 89 (figs 303-4), 92, 120. Phytomyza obscurella Fallén, 1823b; Spencer, 1976. Fauna ent. Scand. 5(1): 461-2, figs 807-8. Phytomyza obscurella Fallén, 1823b; Spencer, 1990. Host specialization in the World Agromyzidae (Diptera) : 159, 167, 168 (fig. 610).

Leaf-mine: Mine irregularly linear, whitish green normally adjoining margin of leaf, when old brownish (Spencer, 1972b: 89 (fig. 304), 92; Spencer, 1976: 461, 463 (fig. 808). The mine is illustrated in British leafminers and Nederlandse bladmineerders. Mine of Phytomyza obscurella on Aegopodium podagraria. Photo: Brian Pitkin Larva: The larva is described by de Meijere (1926), Allen (1957b) and Ellis (Nederlandse bladmineerders), Puparium: Shining black; posterior spiracles each with 24-28 bulbs of bulbs or bulbs (Spencer, 1976: 461). Hosts in Britain: Apiaceae     Aegopodium   Robbins, 1991: 65 Aegopodium podagraria Mines in BMNH Aegopodium podagraria Spencer, 1972b: 120 Aegopodium podagraria Bland, 1992 Hosts elsewhere: Apiaceae     Aegopodium podagraria Mines in BMNH Aegopodium podagraria Spencer, 1976: 461 Aegopodium podagraria Bland, 1994 Aegopodium podagraria Spencer, 1990: 167 Aegopodium podagraria Nederlandse bladmineerders Time of year - mines: January, May-November. Time of year - adults: August-October. Distribution in Britain: Common, at least in south (Spencer, 1972b: 92). Inner Hebrides (Isle of Coll) (Bland, 1992), Rum (Bland in Whiteley, 1994), Warwick (Coventry and Tile Hill) (Robbins, 1991: 65), East Sutherland, Edinburgh and Surrey (NBN Gateway distribution map - HBRG, LWIC and NE). Also recorded in the Republic of Ireland: Co. Wexford (Rosslare) (Spencer, 1972b: 92). Distribution elsewhere: Europe including Denmark, Finland, Norway, Sweden (Spencer, 1976: 461), The Netherlands (Nederlandse bladmineerders), Germany (Spencer, 1976: 574), Belgium, Estonia, ? French mainland, Hungary, Italian mainland, Lithuania, Madeira, Poland and Spanish mainland (Martinez in Fauna Europaea). Range extending eastwards to the northern Kirghiz Republic of the [former] U.S.S.R. (Spencer, 1976: 461). Parasitoids: Chrysocharis amyite (Walker, 1839) Hymenoptera: Eulophidae Chrysocharis crassiscapus (Thomson, 1878) Hymenoptera: Eulophidae Chrysocharis nitetis (Walker, 1939) Hymenoptera: Eulophidae Chrysocharis pentheus (Walker, 1839) Hymenoptera: Eulophidae Chrysocharis polyzo (Walker, 1839) Hymenoptera: Eulophidae Chrysocharis viridis (Nees, 1934) Hymenoptera: Eulophidae Cirrospilus vittatus Walker, 1838 Hymenoptera: Eulophidae Closterocerus trifasciatus Westwood, 1833 Hymenoptera: Eulophidae Necremnus leucarthros (Nees) Hymenoptera: Eulophidae Pediobius metallicus (Nees) Hymenoptera: Eulophidae Pnigalio pectinicornis (Linnaeus) Hymenoptera: Eulophidae Pnigalio soemius (Walker) Hymenoptera: Eulophidae Glyphonathus flammeus Delucchi Hymenoptera: Eulophidae

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Last updated 04-Jun-2008  Brian Pitkin