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Agromyza populi Kaltenbach, 1864. Verh. naturh. Ver. preuss. Rheinl. 21: 336
Phytomyzapopulivora Hendel, 1926. Blattminenkinde Europas 1: 55
Agromyza populi Kaltenbach, 1864; Hendel, 1932. Fliegen palaearkt. Reg. 6(2): 288
Phytomyzapopulivora Hendel, 1926; Nowakowski, 1962. Annls zool., Warsz. 20: 102
Paraphytomyza populi (Kaltenbach, 1864); Spencer, 1972b. Handbk ident. Br. Ins. 10(5g): 67
Paraphytomyza populi (Kaltenbach, 1864); Spencer, 1976. Fauna ent. Scand. 5(1): 320-1, figs 576-8.
Paraphytomyza populi (Kaltenbach, 1864); Spencer, 1990. Host specialization in the world Agromyzidae (Diptera) : 81, 93.
Aulagromyza populi (Kaltenbach, 1864)

Leaf-miner: A long winding, whitish linear mine, initially lower surface, later upper surface. Pupation takes place within the leaf, in a distinct puparial blister, the anterior spiracles projecting through the epidermis (Spencer, 1976: 320-1, fig. 578).

Yellowish, tortuous corridor with the sides very untidily eaten out. The mine frequently starts at the lower surface, mostly, but by no means always, turning upper-surface later on. Frass in isolated grains, irregularly distributed at either side of the corridor. Puparium brown, in a widened puparial chamber in the mine; near the frontal end of the puparium the epidermis is already more or less torn open (Bladmineerders van Europa).

A long winding white gallery (as shown), starting lower side, shallow and going upper side, broad. The mines may not be upper surface and in some cases may be totally lower surface. There may be several mines in a leaf (British leafminers).

Larva: The larvae of flies are leg-less maggots without a head capsule (see examples). They never have thoracic or abdominal legs. They do not have chewing mouthparts, although they do have a characteristic cephalo-pharyngeal skeleton (see examples), usually visible internally through the body wall.

The larva is described by (Skuhravá and Roques, 2000) and illustrated in Bladmineerders van Europa.

Puparium: The puparia of flies are formed within the hardened last larval skin or puparium and as a result sheaths enclosing head appendages, wings and legs are not visible externally (see examples).

Dark brown; posterior spiracles each having an ellipse of some 20 minute bulbs (Spencer, 1976: 320). The puparium is illustrated in Bladmineerders van Europa.

Aulagromyza populi puparium Image: © Willem Ellis (Bladmineerders van Europa)

Hosts in Great Britain and Ireland:

Salicaceae
Populus				Mines in BMNH
Populus	nigra	Black-poplar		Mines in BMNH
Populus	nigra	Black-poplar		British leafminers
Populus	nigra	Black-poplar		Spencer, 1972b: 119
Populus	nigra	Black-poplar		Robbins, 1991: 89

Hosts elsewhere:

Salicaceae
Populus				Spencer, 1990: 81, 93
Populus	alba	White Poplar		Bladmineerders van Europa
Populus	x berolinensis	Berlin Poplar		Bladmineerders van Europa
Populus	x canadensis	Hybrid Black-poplar		Bladmineerders van Europa
Populus	deltoides	Necklace Poplar		Bladmineerders van Europa
Populus	x euramericana	Hybrid Black Poplar		Bladmineerders van Europa
Populus	gileadensis			Bladmineerders van Europa
Populus	nigra	Black-poplar		Spencer, 1976: 320
Populus	nigra	Black-poplar		Bladmineerders van Europa
Populus	nigra 'italica'			Bladmineerders van Europa
Populus	simonii	Chinese-poplar		Bladmineerders van Europa
Populus	tremula	Aspen		Bladmineerders van Europa
Populus	trichocarpa	Western Balsam-poplar		Bladmineerders van Europa

Time of year - mines: September, November.

Time of year - adults: Currently unknown.

Distribution in Great Britain and Ireland: Widespread in Britain including London (Hampstead), Surrey, Oxford (Spencer, 1972b: 67) and Warwickshire (Canley, Coleshill and Foleshill) (Robbins, 1991: 89). Leicestershire, Surrey and West Gloucestershire (NBN Atlas).

Also recorded in the Republic of Ireland (Fauna Europaea).

Distribution elsewhere: Widespread in western and central Europe including Denmark, Norway, Sweden (Spencer, 1976: 320), The Netherlands (Bladmineerders van Europa), Belgium (Scheirs et al., 1994), Germany (Spencer, 1976: 562), Albania, Bulgaria, Czech Republic, European Turkey, French mainland, Italian mainland, Lithuania, Poland, Republic of Moldova, Romania, Slovakia and Spanish mainland (Fauna Europaea).

Range extending eastwards to the Kirghiz Republic of the [former] U.S.S.R. (Spencer, 1976: 320).

NBN Atlas links to known host species:

British and Irish Parasitoids in Britain and elsewhere: