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Phytomyza silai Hering, 1935 [Diptera: Agromyzidae] Phytomyza silai Hering, 1935b. JOURNAL: PAGE. Phytomyza silai Hering, 1935b; Spencer, 1972b. Handbk ident. Br. Ins. 10(5g): 77, 80, 121. Phytomyza silai Hering, 1935b; Spencer, 1990. Host specialization in the World Agromyzidae (Diptera) : 160, 169, 172 (figs 638-9), 173.

Leaf-mine: Larva mining initially on lower surface of leaf, later filling the tip of the leaf on the upper surface with a linear blotch mine (Spencer, 1972b: 77). Larva: The larva are described Allen (1957b). Puparium: Black; posterior spiracles each with 20 bulbs (Spencer, 1972b: 77). Hosts in Britain: Apiaceae       Silaum     Robbins, 1991: 65 Silaum silaus Pepper-saxifrage Mines in BMNH Silaum silaus Pepper-saxifrage Spencer, 1972b: 121 Hosts elsewhere: Apiaceae       Silaum     Spencer, 1990: 160 Silaum silaus Pepper-saxifrage Nederlandse bladmineerders Time of year - mines: July, September-October. Time of year - adults: Unknown. Distribution in Britain: Surrey (Egham), Cambridge (Chippenham Fen) (Spencer, 1972b: 77) and Warwick (Combrook and Ufton Fields) (Robbins, 1991: 65). Distribution elsewhere: Europe (Spencer, 1990) including Germany (Nederlandse bladmineerders) and Poland (Martinez in Fauna Europaea). Parasitoids: Chrysocharis pubicornis (Zetterstedt, 1838) Hymenoptera: Eulophidae

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Last updated 30-Sep-2008  Brian Pitkin