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Agromyza alnivora Spencer, 1969 [Diptera: Agromyzidae] Agromyza albitarsis Zetterstedt, 1848. Diptera Scandinaviae. 7: 2735. [Preoccupied by Agromyza albitarsis Meigen, 1830] Agromyza alnivora Spencer, 1969c. Beitr. Ent. 19: 7. Agromyza alnivora Spencer, 1969c; Spencer, 1972b. Handbk ident. Br. Ins. 10(5g): 37 (figs 116-8), 39, 42, 109. Agromyza alnivora Spencer, 1969c; Spencer, 1976. Fauna ent. Scand. 5(1): 93-5, figs 131-133. Agromyza alnivora Spencer, 1969c; Spencer, 1990. Host specialization in the world Agromyzidae (Diptera) : 54, 60 (fig. 226), 61, 100, 178.

Leaf-mine: Larva forming a linear leaf-mine, considerably widening at end (Spencer, 1976: 94-95, fig. 133). The mine is illustrated in British leafminers and Nederlandse bladmineerders. Mine of Agromyza alnivora on Alnus glutinosa. Image: Willem Ellis (Source: Nederlandse bladmineerders) Larva: The larva is illustrated in Nederlandse bladmineerders. Puparium: Details unknown. Hosts in Britain: Betulaceae       Alnus     Mines in BMNH Alnus     Robbins, 1991: 78 Alnus cordata Italian Alder Robbins, 1989: 18 Alnus glutinosa Alder Robbins, 1989: 18 Alnus incana Grey Alder Spencer, 1972b: 109 Hosts elsewhere: Betulaceae       Alnus     Spencer, 1976: 95 Alnus     Spencer, 1990: 54 Alnus glutinosa Alder Nederlandse bladmineerders Alnus incana Grey Alder Nederlandse bladmineerders Time of year - mines: July, August-September. Time of year - adults: September and June-July the following year. Distribution in Britain: Widespread in Britain including Kent (St Mary's Cray), Oxford (Hogley), Cambridge (Chippenham Fen) (Spencer, 1972b: 39), Warwick (Coventry) (Robbins, 1991: 78), Inverness (nethy Bridge) (Spencer, 1972b: 39), the Inner Hebrides (Isle of Coll, Arinagour) (Bland, 1992), Hants (Fleet) (British leafminers) and South Gloucester (NBN Gateway distribution map - BRERC). Distribution elsewhere: Widespread in Europe including Austria, Denmark, Finland, Germany, Holland, Norway, Romania, Sweden (Spencer, 1976: 95), Czech Republic, French mainland, Lithuania, Poland and Slovakia (Martinez in Fauna Europaea. Parasitoids: Cirrospilus vittatus Walker, 1838 Hymenoptera: Eulophidae Diglyphus chabrias (Walker) Hymenoptera: Eulophidae Pnigalio pectinicornis (Linnaeus) Hymenoptera: Eulophidae

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Last updated 16-Aug-2008  Brian Pitkin