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Agromyza alnibetulae Hendel, 1931 [Diptera: Agromyzidae] Agromyza alnibetulae Hendel, 1931. Fliegen palaearkt. Reg.. 6(2): 101. Agromyza alnibetulae Hendel, 1931; Spencer, 1969. Beitr. Ent. 19: 6. Agromyza alnibetulae Hendel, 1931; Spencer, 1972b. Handbk ident. Br. Ins. 10(5g): 36 (figs 107-8), 39, 109. Agromyza alnibetulae Hendel, 1931; Spencer, 1976. Fauna ent. Scand. 5(1): 93, figs 129-130. Agromyza alnibetulae Hendel, 1931; Spencer, 1990. Host specialization in the world Agromyzidae (Diptera) : 54, 60 (fig. 227), 61, 100, 178.

Leaf-mine: Larva forming a narrow, unusually long, upper surface leaf-mine up to 12 cms, sometimes considerably widening at end; young leaves are frequently distorted (Spencer, 1976: 93, fig. 130). The mine is illustrated in British leafminers and Nederlandse bladmineerders. Mine of Agromyza alnibetula on Betula rubescens. Photo: Willem Ellis (Source: Nederlandse bladmineerders) Larva: Yellow. Anterior spiracles each with 10 bulbs, posterior spiracles with 3 bulbs (Skuhravá & Roques, 2000). The larva is illustrated in Nederlandse bladmineerders. Puparium: Reddish brown; posterior spiracles each with 3 bulbs (Spencer, 1976: 93). Hosts in Britain: Betulaceae       Betula     Mines in BMNH Betula     Spencer, 1972b: 39 Betula     Robbins, 1991: 73 Betula pendula Silver Birch Mines in BMNH Betula pendula Silver Birch Robbins, 1989: 18 Betula pubescens Downy Birch Robbins, 1989: 18 Betula pubescens Downy Birch Spencer, 1972b: 109 Hosts elsewhere: Betulaceae       Betula     Spencer, 1976: 93 Betula     Spencer, 1990: 54 Betula pendula Silver Birch Nederlandse bladmineerders Betula pubescens Downy Birch Nederlandse bladmineerders Time of year - mines: June-November. Time of year - adults: Unknown. Distribution in Britain: Widespread in Britain including London (Hampstead), Kent (Darenth), Surrey (Oxshott), York (Malham Tarn), Westmorland (Grasmere), Denbigh (Cefn-y-bedd) (Spencer, 1972: 39), Inner Hebrides (Isle of Coll, Arinagour) (Bland, 1992), Warwick (Coventry) (Robbins, 1991: 73) and Hants (Fleet) (British leafminers), East Kent, East Sutherland, Leicester, Mid-west York, Salop, South-east York, South-west York, Stafford and Surrey (NBN Gateway distribution map - GiGL, HBRG and NE). Also recorded in the Republic of Ireland: Co. Clare. (Spencer, 1972b: 39). Distribution elsewhere: Europe including Denmark, Finland, Norway, Sweden (Spencer, 1976: 93), The Netherlands, Luxembourg (Nederlandse bladmineerders), Belgium (de Bruyn & von Tschirnhaus, 1991) and Germany (Spencer, 1976: 546), Austria, Corsica, Czech Republic, Italian mainland, Lithuania, Romania, Slovakia and Switzerland (Martinez in Fauna Europaea). Parasitoids: Chrysocharis amyite (Walker, 1839) Hymenoptera: Eulophidae Chrysocharis orbicularis (NEes, 1834) Hymenoptera: Eulophidae Chrysocharis pentheus (Walker, 1839) Hymenoptera: Eulophidae Cirrospilus vittatus Walker, 1838 Hymenoptera: Eulophidae Pnigalio soemius (Walker) Hymenoptera: Eulophidae

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Last updated 12-Jun-2008  Brian Pitkin