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Phytomyza spinaciae Hendel, 1928 [Diptera: Agromyzidae] Phytomyza spinaciae Hendel, 1928. Blattminenkunde Europas. I. Die Dipterenminen. Wien: 68. Phytomyza spinaciae Hendel, 1928; Hendel, 1935. Fliegen palaearkt. Reg. 6(2): 484. Phytomyza spinaciae Hendel, 1928; Spencer, 1976. Fauna ent. Scand. 5(1): 502-4, figs 878-89. Phytomyza spinaciae Hendel, 1928; Spencer, 1990. Host specialization in the World Agromyzidae (Diptera) : 251, 254 (figs 955-6), 255.

Leaf-mine: Long narrow interparenchymal mine, greenish. Pupation in leaf at end of mine (Spencer, 1976: 503 (fig. 880)). The mine is illustrated in Nederlandse bladmineerders. Mines of Phytomyza spinaciae on Cirsium arvense. Image: Willem Ellis (Source: Nederlandse bladmineerders) Larva: The larva is described by de Meijere (1928) and Ellis (Nederlandse bladmineerders). Puparium: White; posterior spiracles each with 18-20 minute bulbs on small conical protuberance (Spencer, 1976: 503). Comments: All British records require confirmation. Hosts in Britain: Asteraceae       Carduus     Robbins, 1991: 121 Centaurea montana Perennial Cornflower Robbins, 1991: 122 Centaurea nigra Common Knapweed Robbins, 1989: 26 Cirsium     Robbins, 1991: 121 Cirsium arvense Creeping Thistle Mines in BMNH Cirsium arvense Creeping Thistle Robbins, 1989: 26 Cirsium palustre Marsh Thistle Mines in BMNH Cirsium palustre Marsh Thistle Robbins, 1989: 26 Cirsium vulgare Spear Thistle Robbins, 1989: 26 Onopordum     Pitkin in Pitkin & Plant, 2005 Hosts elsewhere: Asteraceae       Carduus     Spencer, 1990: 251 Carduus     Spencer, 1976: 503 Carduus crispus   Nederlandse bladmineerders Carduus nutans   Nederlandse bladmineerders Centaurea     Nederlandse bladmineerders Cirsium     Spencer, 1990: 251 Cirsium     Spencer, 1976: 503 Cirsium arvense Creeping Thistle Nederlandse bladmineerders Cirsium arvense Creeping Thistle Spencer, 1976: 503 Cirsium dissectum Meadow Thistle Nederlandse bladmineerders Cirsium helenioides Nederlandse bladmineerders Cirsium oleraceum Cabbage Thistle Nederlandse bladmineerders Cirsium palustre Marsh Thistle Nederlandse bladmineerders Cirsium vulgare Spear Thistle Nederlandse bladmineerders Cnicus     Spencer, 1990: 251 Onopordum     Nederlandse bladmineerders Onopordum     Spencer, 1976: 503 Serratula     Nederlandse bladmineerders Serratula     Spencer, 1976: 503 Serratula     Spencer, 1990: 251 Time of year - mines: July, October. Time of year - adults: Unknown. Distribution in Great Britain & Ireland: Warwick (Coventry) (Robbins, 1991: 121) and Stafford (NBN Gateway distribution map - NE). NBN Distribution maps of known host species: Distribution elsewhere: Europe including Belgium (Scheirs et al., 1994; Scheirs, de Bruyn & von Tschirnhaus, 1996), Denmark, Finland, Norway, Sweden (Spencer, 1976: 503), The Netherlands (Nederlandse bladmineerders), Germany (Spencer, 1976: 578), Czech Slovakia, French mainland, Latvia, Lithuania and Spanish mainland (Martinez in Fauna Europaea). Range extending to the Kirghiz Republic of the [former] U.S.S.R. (Spencer, 1976: 503). Parasitoids: Chrysocharis pubicornis (Zetterstedt, 1838) Hymenoptera: Eulophidae

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Last updated 14-Dec-2008  Brian Pitkin