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Agromyza nigrella (Rondani, 1875) [Diptera: Agromyzidae] Cereal Leaf-miner Domomyza nigrella Rondani, 1875. Bull. Soc. ent. ital. 7: 176. Domomyza nigrella Rondani, 1875 ; Hendel, 1931. Fliegen palaearkt. Reg. 6(2): 103 (as ambigua). Agromyza nigrella (Rondani, 1875); Spencer, 1972b. Handbk ident. Br. Ins. 10(5g): 10, 30 (figs 79-80), 33, 123, 124, 125. Agromyza nigrella (Rondani, 1875); Spencer, 1976. Fauna ent. Scand. 5(1): 126-7, figs 214-8. Agromyza nigrella (Rondani, 1875); Spencer, 1990. Host specialization in the world Agromyzidae (Diptera) : 354, 355, 356, 358 (figs 1343-4), 359, 361, 364.

Leaf-mine: Larval leaf-mine starts as a narrow channel running towards apex of leaf but later develops into a broad blotch running downwards. Frass largely diffused, giving the mine a characteristic greenish appearance. Pupation external (Spencer, 1976: 126). Larva: The larva is described by de Meijere (1925), Spencer (1966c: 288) and in Nederlandse bladmineerders. Puparium: Reddish-brown; posterior spiracular processes widely separated, each with 3 bulbs (Spencer, 1976: 126, 127 (fig. 218)). Comments: A potentially serious pest of wheat. Hosts in Britain: Poaceae       Dactylis glomerata Cock's-foot Spencer, 1972b: 123 Festuca spp.   Spencer, 1972b: 123 Glyceria fluitans Floating Sweet-grass Spencer, 1972b: 123 Holcus lanatus Yorkshire-fog Spencer, 1972b: 123 Lolium perenne Perennial Rye-grass Spencer, 1972b: 124 Phleum spp.   Spencer, 1972b: 124 Poa spp.   Spencer, 1972b: 124 Secale cereale Rye Spencer, 1972b: 124 Setaria spp.   Spencer, 1972b: 124 Trisetum flavescens Yellow Oat-grass Spencer, 1972b: 125 Triticum aestivum Bread Wheat Spencer, 1972b: 125 Hosts elsewhere: Poaceae       Avena     Nederlandse bladmineerders Avena     Spencer, 1976: 126 Avena     Spencer, 1990: 354 Dactylis     Spencer, 1976: 126 Dactylis     Spencer, 1990: 355 Dactylis     Nederlandse bladmineerders Festuca     Spencer, 1976: 126 Festuca     Spencer, 1990: 355 Festuca     Nederlandse bladmineerders Glyceria     Spencer, 1976: 126 Glyceria     Spencer, 1990: 355 Glyceria     Nederlandse bladmineerders Holcus     Spencer, 1976: 126 Holcus     Spencer, 1990: 354 Holcus     Nederlandse bladmineerders Hordeum     Spencer, 1976: 126 Hordeum     Spencer, 1990: 356 Hordeum     Nederlandse bladmineerders Lolium     Spencer, 1976: 126 Lolium     Spencer, 1990: 355 Lolium     Nederlandse bladmineerders Phleum     Spencer, 1976: 126 Phleum     Spencer, 1990: 355 Phleum     Nederlandse bladmineerders Poa     Spencer, 1976: 126 Poa     Spencer, 1990: 355 Poa     Nederlandse bladmineerders Secale     Spencer, 1976: 126 Secale     Spencer, 1990: 356 Secale     Nederlandse bladmineerders Setaria     Spencer, 1976: 126 Setaria     Spencer, 1990: 357 Setaria     Nederlandse bladmineerders Trisetum     Spencer, 1976: 126 Trisetum     Spencer, 1990: 355 Trisetum     Nederlandse bladmineerders Triticum     Spencer, 1976: 126 Triticum     Spencer, 1990: 356 Triticum     Nederlandse bladmineerders Time of year - mines: Unknown. Time of year - adults: August-September. Distribution in Britain: Generally distributed in Britain including Essex (Flatford), London, Surrey (Chobham), Northumb (Wooler), Aberdeen (Braemar) and Dunbarton (Bonhill) (Spencer, 1972b: 33), Hunts, North Hants and West Suffolk (NBN Gateway distribution map - BRERC and NE). Distribution elsewhere: Holarctic. Common and widespread thoughout much of Europe including Denmark, Finland, Norway, Sweden (Spencer, 1976: 126), The Netherlands (Nederlandse bladmineerders), Germany (Spencer, 1976: 546), Czech Republic, Estonia, Finland, French mainland, Hungary, Italian mainland, Lithuania, Poland, Slovakia and Yugoslavia (Martinez in Fauna Europaea). Also recorded in the U.S.A. (Spencer, 1990). Parasitoids: Unknown.

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British leafminers Fauna Europaea [128905] NBN Gateway Nederlandse bladmineerders	Find using Google Find using Google Scholar Find images using Google

Last updated 30-Sep-2008  Brian Pitkin