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Liriomyza valerianae Hendel, 1932 [Diptera: Agromyzidae] Liriomyza valerianae Hendel, 1932. Fliegen palaearkt. Reg. 6(2): 257. Liriomyza valerianae Hendel, 1932; Spencer, 1972b. Handbk ident. Br. Ins. 10(5g): 51 (figs 161-2), 54, 121. Liriomyza valerianae Hendel, 1932; Spencer, 1976. Fauna ent. Scand. 5(1): 275, figs 494-5. Liriomyza valerianae Hendel, 1932; Spencer, 1990. Host specialization in the World Agromyzidae (Diptera) : 245 (fig. 926), 246.

Leaf-mine: An irregular linear mine, which frequently follows the leaf margin, with conspicuous black frass (Spencer, 1972b: 51 (fig.162), 54; Spencer, 1976: 275). The mine is illustrated in Nederlandse bladmineerders. Mine of Liriomyza valerianae on Valeriana officinalis. Images: Willem Ellis (Source: Nederlandse bladmineerders) Larva: The larva is described by de Meijere (1925, as fasciola). Posterior spiracles each with 3 bulbs (Spencer, 1972b: 54; Spencer, 1976: 275). Puparium: Posterior spiracles each with 3 bulbs (Spencer, 1972b: 54). Hosts in Britain: Valerianaceae       ? Centranthus     Robbins, 1991: 108 ? Valeriana     Robbins, 1991: 108 Valeriana dioica Marsh Valerian Mines in BMNH Valeriana dioica Marsh Valerian Spencer, 1972b: 121 Valeriana officinalis Common Valerian Mines in BMNH Valeriana officinalis Common Valerian Spencer, 1972b: 121 ? Valerianella     Robbins, 1991: 108 Hosts elsewhere: Valerianaceae       Centranthus     Spencer, 1990: 246 Centranthus ruber   Nederlandse bladmineerders Valeriana dioica Marsh Valerian Spencer, 1976: 275 Valeriana dioica Marsh Valerian Nederlandse bladmineerders Valeriana officinalis Common Valerian Spencer, 1976: 275 Valeriana officinalis Common Valerian Nederlandse bladmineerders Valerianella     Nederlandse bladmineerders Valerianella     Spencer, 1990: 246 Time of year - mines: July-August. Time of year - adults: May, August. Distribution in Britain: Cambridge (Chippenham Fen), Wilts (Heddington) (Spencer, 1972b: 54), West Perth (Drumchastle) and Angus (Rossie Muir) (Bland, 1994c: 82) and Mid-west York and Stafford (NBN Gateway distribution map - NE). Distribution elsewhere: Europe including Denmark, Finland, Norway, Sweden (Spencer, 1976: 275), The Netherlands (Nederlandse bladmineerders), Germany (Spencer, 1976: 562), Estonia, French mainland, Lithuania and Poland (Martinez in Fauna Europaea). Parasitoids: Unknown.

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Last updated 16-Aug-2008  Brian Pitkin