van de Wulp, 1871. Tijdschr. Ent. 14: 205
Agromyza ferruginosa van de Wulp, 1871; Spencer, 1972b. Handbk
ident. Br. Ins. 10(5g): 31, 109
Agromyza ferruginosa van de Wulp, 1871; Spencer, 1990.
Host specialization in the world Agromyzidae (Diptera)
: 198, 199, 200 (figs 744-5).
large blotch mine, several larvae feeding together (Spencer, 1972b: 31).
dozen eggs are deposited in a semicircle at the leaf underside.
After hatching the larvae eat themselves a communual corridor. After
the first moult they begin the making of a very large, dark brown
communal blotch, with conspicuous secondary feeding lines (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 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).
Hosts in Great Britain & Ireland:
of year - mines: September.
of year - adults: Currently unknown.
in Great Britain & Ireland: Widespread including Surrey (Charterhouse),
Cambridge (Chippenham Fen), Huntingdonshire (Woodwalton Fen) (Spencer, 1972b: 31), Cambridgeshire (VC29), North Hampshire (VC12), West Kent (VC16) and West Suffolk (VC26) (NBN
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elsewhere: Widespread in continental Europe including Germany
(Mines in BMNH), The Netherlands, Luxembourg (Bladmineerders van Europa), Belgium (Scheirs,
de Bruyn and von Tschirnhaus, 1996), Czech Republic, French
mainland, Poland and Slovakia (Martinez in Fauna Europaea).
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British and Irish Parasitoids in Britain and elsewhere: