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Phytomyza affinis Fallén, 1823 [Diptera: Agromyzidae] Phytomyza affinis Fallén, 1823b. Phytomyzides et Ochtidiae Sveciae : 3. Phytomyza affinis Fallén, 1823b; Spencer, 1972b. Handbk ident. Br. Ins. 10(5g): 84, 85 (fig. 277), 120. Phytomyza affinis Fallén, 1823b; Spencer, 1976. Fauna ent. Scand. 5(1): 369-70, figs 642-643. Phytomyza affinis Fallén, 1823b; Spencer, 1990. Host specialization in the World Agromyzidae (Diptera) :222, 226 (fig. 853), 227.

Seed-feeder: Larvae feeding in seeds (Spencer, 1972b); pupation external (Bland, 1992). Larva: Details unknown. Puparium: Details unknown. Hosts in Britain: Scrophulariaceae     Euphrasia brevipila Spencer, 1972b: 120 Euphrasia micrantha Spencer, 1972b: 120 Euphrasia nemorosa Spencer, 1972b: 120 Euphrasia spp. Bland, 1992 Hosts elsewhere: Scrophulariaceae     Euphrasia   Spencer, 1976: 369 Euphrasia   Spencer, 1990: 222 Time of year - larvae: August. Time of year - adults: August and July. Distribution in Britain: Widespread including Inner Hebrides (Isle of Coll) (Bland, 1992) and Surrey (NBN Gateway distribution map - NE). Also recorded in the Republic of Ireland: Co. Clare (Burren) (Spencer, 1972b: 84). Distribution elsewhere: Holarctic. Europe including Denmark, Sweden, Switzerland (Spencer, 1976: 369), Germany (Spencer, 1976: 566), Austria, Belgium ? Corsica, Czech Republic, European Turkey, French mainland, Iceland, Italian mainland, Lithuania, Madeira, Poland, Sardinia, Slovakia and The Netherlands (Martinez in Fauna Europaea). Also recorded in Canada (Spencer, 1969a: 225). Parasitoids: Chrysocharis amyite (Walker, 1839) Hymenoptera: Eulophidae Chrysocharis orbicularis (Nees, 1834) Hymenoptera: Eulophidae Chrysocharis pubicornis (Zetterstedt, 1838) Hymenoptera: Eulophidae Diglyphus isaea (Walker) Hymenoptera: Eulophidae Seladerma tarsale (Walker) Hymenoptera: Pteromalidae

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Last updated 04-Jun-2008  Brian Pitkin