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Phytomyza petoei Hering, 1924 [Diptera: Agromyzidae] Phytomyza petoei Hering, 1924a. Z. wiss. InsektBiol. 19: 39, as petöi. Phytomyza petoei Hering, 1924a; Hendel, 1935. Fliegen palaearkt. Reg. 6(2): 453. Phytomyza petoei Hering, 1924a; Spencer, 1972b. Handbk ident. Br. Ins. 10(5g): 86 (fig. 289), 88, 116. Phytomyza petoei Hering, 1924a; Spencer, 1976. Fauna ent. Scand. 5(1): 467-8, figs 819-822. Phytomyza petoei Hering, 1924a; Spencer, 1990. Host specialization in the World Agromyzidae (Diptera) : 205, 207, 208 (figs 774-5).

Leaf-mine: An irregularly linear mine which may become a secondary blotch. Pupation normally external, but not infrequently the puparium remains in the leaf at the prepared exit slit (Spencer, 1972b: 86 (fig. 289), 88; Spencer, 1976: 467 (fig. 822, 468). The mine is illustrated in British leafminers. Larva: The larva is described by de Meijere (1937) and Spencer (1973a). The posterior spiracles each with approx. 25 bulbs. Puparium: Yellowish-brown; posterior spiracles each with an ellipse of some 25 bulbs (Spencer, 1976: 468). Hosts in Britain: Lamiaceae       Mentha     Robbins, 1991: 99 Mentha     British leafminers Mentha spp.   Spencer, 1972b: 88 Mentha longifolia Horse Mint Mines in BMNH Mentha spicata Spear Mint Robbins, 1989: 25 Mentha spicata Spear Mint Spencer, 1972b: 116 Mentha villosa var. alopecuroides   Robbins, 1989: 25 Hosts elsewhere: Lamiaceae       Melissa     Spencer, 1990: 207 Mentha     Hering, 1957a Mentha     Mines in BMNH Mentha     Spencer, 1976: 467 Mentha     Spencer, 1990: 207 Mentha     Nederlandse bladmineerders Mentha longifolia Horse Mint Mines in BMNH Mentha longifolia Horse Mint Nederlandse bladmineerders Time of year - mines: June. Time of year - adults: Unknown. Distribution in Great Britain & Ireland: Probably not uncommon. London (Hamsptead), Surrey (Epsom), Gloucester (Kilcot) (Spencer, 1972b: 88), Bedford (Lower Stondon) and Hants (Fleet) (British leafminers) and Warwick (Coventry) (Robbins, 1991: 99). NBN Distribution maps of known host species: Distribution elsewhere: Widespread in Europe from Britain to the Balkans, including Denmark (Spencer, 1976: 468), Germany (Spencer, 1976: 574), Switzerland (Mines in BMNH), Corsica, European Turkey, French mainland, Lithuania, Poland, Romania, Spanish mainland and Yugoslavia (Martinez in Fauna Europaea). Parasitoids: Chrysocharis pubicornis (Zetterstedt, 1838) Hymenoptera: Eulophidae Halticoptera circulus (Walker, 1833) Hymenoptera: Pteromalidae Miscogaster maculata Walker, 1833 Hymenoptera: Pteromalidae

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Last updated 14-Dec-2008  Brian Pitkin