Agromyza
reptans Fallén, 1823a. Agromyzides Sveciae
: 3
Agromyza reptans Fallén, 1823a; Nowakowski, 1964.
Dt. ent. Z. [2] 11: 188
Agromyza reptans Fallén, 1823a; Spencer, 1972b. Handbk
ident. Br. Ins. 10(5g): 32, 34 (fig. 90),
35, 121
Agromyza reptans Fallén, 1823a; Spencer, 1976.
Fauna ent. Scand. 5(1): 137-139, figs 244-6.
Agromyza reptans Fallén, 1823a; Spencer, 1990.
Host specialization in the world Agromyzidae (Diptera)
: 54, 55, 57, 58 (fig. 214), 79.
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Leaf-miner: Mine
generally follows the leaf margin, widening from the initial linear
section into an irregular broad blotch; it is dark green when fresh
but quickly turns blackish (Spencer, 1972b: 34 (fig. 90); Spencer,
1976: 138-9, fig. 246).
Full
depth corridor that mostly starts near the leaf margin, and never
begins with a series in close, intestine-like curves. Further on
the corridor strongly widens, and usually remains close to the leaf
margin. Often several larvae in a mine. Frass in lumps or short
rods, never in long threads (Bladmineerders van Europa).
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 Dempewolf (2001: 49)
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).
Reddish-brown; posterior spiracles each with 3 bulbs (Spencer,
1976: 139).
Hosts in Great Britain and Ireland:
Hosts
elsewhere:
Time
of year - mines: June-August.
Time
of year - adults: Currently unknown.
Distribution
in Great Britain and Ireland: Widespread in southern
Britain including Middlesex (Scratch Wood), Oxford (Blaydon) (Spencer, 1972b: 41) and Warwickshire (Earlsdon, Coventry) (Robbins,
1991: 42). Distribution elsewhere: Widespread in continental Europe including Germany (Bladmineerders van Europa), Austria, Czech Republic, French mainland, Poland,
Slovakia and Spanish mainland (Fauna Europaea).
NBN Atlas links to known host species:
British and Irish Parasitoids in Britain and elsewhere:
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