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Phytomyza flavicornis Fallén, 1823 [Diptera: Agromyzidae] Phytomyza flavicornis Fallén, 1823b. Phytomyzides et Ochtidiae Sveciae : 4. Phytomyza flavicornis Fallén, 1823b; Hendel, 1935. Fliegen palaearkt. Reg. 6(2): 402. Phytomyza flavicornis Fallén, 1823b; Spencer, 1972b. Handbk ident. Br. Ins. 10(5g): 5, 70 (fig. 232, 75, 121. Phytomyza flavicornis Fallén, 1823b; Spencer, 1990. Host specialization in the World Agromyzidae (Diptera) :Handbk ident. Br. Ins. 10(5g)54, 58, 60 (fig. 220).

Stem-borer: Larva boring in stem and pupating internally (Spencer, 1972b: 75). Larva: The larva is described by Dempewolf (2001: 187). Puparium: Whitish, slender, deeply segmented; posterior spiracles each with up to 3 irregular bulbs (without central horns) (Spencer, 1976: 410). Hosts in Britain: Urticaceae       Urtica dioica Common Nettle Spencer, 1972b: 121 Hosts elsewhere: Urticaceae       Urtica dioica Common Nettle Spencer, 1976: 416 Urtica dioica Common Nettle Dempewolf, 2001: 187 Urtica dioica Common Nettle Spencer, 1990: 54 Time of year - larvae: Unknown. Time of year - adults: One generation per year. Distribution in Great Britain & Ireland: Middlesex (Scratch Wood), Cambridge (Chippenham Fen), Dunbarton (Bonhill) (Spencer, 1972b: 75) and Channel Is. (Martinez in Fauna Europaea), Berks, Hunts, Oxford and South-west York (NBN Gateway distribution map - NE). Also recorded in the Republic of Ireland, Co. Clare (Spencer, 1972b: 75). NBN Distribution maps of known host species: Distribution elsewhere: Holarctic. Widespread in Europe including Denmark, Finland, Norway, Sweden (Spencer, 1976: 417), Germany (Dempewolf, 2001: 187), Austria, Belgium, Czech Republic, Hungary, Italian mainland, Lithuania, Madeira, Poland, Slovakia, Spanish mainland and The Netherlands (Martinez in Fauna Europaea). Also recorded in central Asia, the U.S.A. and Canada (Spencer, 1976: 417). Parasitoids: Unknown.

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Last updated 14-Dec-2008  Brian Pitkin