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Pegomya bicolor (Wiedemann, 1817) [Diptera: Anthomyiidae] Anthomyia bicolor Wiedemann, 1817. Zool. Mag., Kiel 1: 77. Anthomyia mitis Meigen, 1826. Syst. Beschr. 5: 183. Anthomyia rumicis Hardy, 1854. The Scottish Gardener 3(7): 203-7. [Synonymised by Bland, 2000: 11]. Zabia longipes Robineau-Desvoidy, 1851. Revue Mag. Zool. (3)3: 233. Pegomyza jynx Séguy, 1926. Encycl. ent. (BII) Dipt. 3: 44. Pegomyia cinereorufa Ringdahl, 1930. Ent. Tidskr. 51: 173, as a subsp. of bicolor. Pegomyia sapporensis Kato, 1941. Kontyu 15: 62. Anthomyia bicolor Wiedemann, 1817; Bland, 2000. Dipterists Digest 7: 11.

Leaf-mine: Large upper side blotch or blister mine, which can start with a short corridor. In small leaves the mine can be full depth in places. Often several larvae in a mine; frass irregularly scattered in large lumps. Pupation external. Larva: Details unknown. Puparium: The puparium is described by Stork (1936). Hosts in Britain: Begoniaceae     Begonia   Ackland, 1978: 228 Begonia semperflorens Pitkin, in Pitkin & Plant, 2005 Polygonaceae     Polygonum   Ackland, 1978: 228 Polygonum   Robbins, 1991: 69 Polygonum baldschuanicum Mines in BMNH Polygonum persicaria Mines in BMNH Rumex   Ackland, 1978: 228 Rumex   Robbins, 1991: 70 Rumex acetosa Mike Ackland, pers. comm. Rumex crispus Mike Ackland, pers. comm. Rumex longifolius Bland, 1992 Rumex obtusifolia Bland, 1992 Hosts elsewhere: Begoniaceae     Begonia   Hennig, 1973 Begonia   Hering, 1957a Polygonaceae     Emex   Hennig, 1966-73 Fagopyrum   Hennig, 1966-73 Oxyria   Hering, 1957a Oxyria   Hennig, 1966-73 Persicaria   Nederlandse bladmineerders Rumex   Nederlandse bladmineerders Polygonum   Hering, 1957a Polygonum   Hennig, 1966-73 Rumex   Hering, 1957a Rumex acetosa Griffiths, 1982 Time of year - mines: June-July. Time of year - adults: August-September. Distribution in Britain: Inner Hebrides (Isle of Coll) (Bland, 1992), Warwick (Coventry and Sutton Park) (Robbins, 1991), Anglesey, Cardigan, Denbigh, Glamorgan, North Lincoln, Pembroke, Radnor, South-west York, Stafford, Surrey and West Ross (NBN Gateway distribution map - CCW, DF, NE, SNH). Also recorded in the Republic of Ireland (Michelsen, 2004 in Fauna Europaea). Distribution elsewhere: Europe including The Netherlands, Belgium (Gosseries & Ackland, 1991; de Meijere, 1939), Andorra, Austria, ? Bulgaria, Corsica, Crete, Cyprus, Czech Republic, Denmark, Faroe Islands, Finland, French mainland, Germany, Greek mainland, Hungary, Iceland, Italian mainland, Lithuania, Madeira, Norwegian mainland, Poland, Romania, Russia - Central, North and Northwest, Sicily, Slovakia, Spanish mainland, Sweden and Switzerland (Michelsen, 2004 in Fauna Europaea). Also recorded in Morocco, Algeria, Tunisia, Syria, Israel, Korea, China and Japan. Parasitoids: Unknown.

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Last updated 04-Jun-2008  Brian Pitkin