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Chromatomyia asteris (Hendel, 1934) [Diptera: Agromyzidae]. Phytomyza asteris Hendel, 1934. Fliegen palaearkt. Reg. 6(2): 352. Phytomyza asteris Hendel, 1934; Rydén, Lyneborg & Nielsen, 1963. Tovinger III. Minerfluer, Agromyzidae. Danmarks Fauna 68. 153. Phytomyza asteris Hendel, 1934; Spencer, 1972. Handbk ident. Br. Ins. 10(5g): 71, 85 (fig. 281), 87. Chromatomyia asteris (Hendel, 1934); Spencer, 1976. Fauna ent. Scand. 5(1): 388-9, figs. 677. Chromatomyia asteris (Hendel, 1934); Spencer, 1990. Host specialization in the world Agromyzidae (Diptera) : 274, 281, 282 (fig. 1074), 283.

Leaf-mine: Mine narrow, irregular linear; initially on lower surface but mainly upper surface. Pupation internal (Spencer, 1972: 87). Initially lower-surface, later upper-surface corridor, not appreciably widening towards the end. Corridor often strongly contorted. Frass in rather coarse grains, irregularly scattered. Pupation in the mine (Bladmineerders van Europa). Larva: The larva is described by de Meijere (1926, as Phytomyza sp. on Aster tripolium); de Meijere (1928); de Meijere (1934, as Ph. tenella) and Griffiths (1976c). Puparium: Whitish; posterior spiracles each with a circle of up to 25 bulbs (Spencer, 1976: 388). The puparium is white, its anterior spiracles penetrate the plant's epidermis (Bladmineerders van Europa). Hosts in Britain: Asteraceae       Aster tripolium Sea Aster Bland, 1994 Aster tripolium Sea Aster Mines in BMNH Aster tripolium Sea Aster Spencer, 1972: 111 Hosts elsewhere: Asteraceae       Aster tripolium Sea Aster Spencer, 1976: 388 Aster tripolium Sea Aster Spencer, 1990: 281 Aster tripolium Sea Aster Bladmineerders van Europa Time of year - mines: July-October. Time of year - adults: July or January the following year. Distribution in Great Britain & Ireland: Widespread around coasts. Records for Britain include Kent (Faversham) (Spencer, 1972: 87), Stirling (Higginsneuk) and North Uist (Oban Trumisgarry) (Bland, 1994c: 83) and East Kent and West Norfolk (NBN Gateway distribution map - NE). Also recorded in the Republic of Ireland: Co. Clare (Dunratty and Poulnaclough Bay) and Co. Down (Corlingford Loch) (Spencer, 1972: 87). NBN Grid map: Distribution elsewhere: Widespread in Europe including Denmark, France, Germany (Spencer, 1976: 388), The Netherlands, Belgium (Kabos, 1971; Collart, 1942), Czech Republic, Poland, Slovenia and Sweden (Martinez in Fauna Europaea). NBN interactive distribution maps of known host species in Britain and elsewhere: Aster tripolium Parasitoids in Britain and elsewhere: Unknown.

External links:	Search the internet:
British leafminers Fauna Europaea [129277] NBN Gateway Bladmineerders van Europa.	Find using Google Find using Google Scholar Find images using Google

Last updated 05-Oct-2009  Brian Pitkin