succisae (Hering, 1922)
succisae Hering, 1922. Dt. ent. Z. 1922: 425
Phytomyza succisae Hering, 1922; Hendel, 1935. Fliegen
palaearkt. Reg. 6(2): 485
Phytomyza succisae Hering, 1922; Spencer, 1972b. Handbk
ident. Br. Ins. 10(5g): 94, 116
Phytomyza succisae Hering, 1922; Spencer, 1976. Fauna
ent. Scand. 5(1): 509-10, figs 890-3.
Chromatomyia succisae (Hering, 1922); Spencer, 1990. Host
specialization in the World Agromyzidae (Diptera) : 243 (figs
Phytomyza succisae Hering, 1922; Winkler
et al. 2009. Syst. ent. 34: 260-292.
A narrow winding linear mine generally near the apex of the leaf
which assumes a striking purplish colour, making the mine itself
difficult to detect. Mines have also been found in the sepals. Pupation
takes place in a pupariuml cradle on the lower surface (Spencer,
long, often branched corridor, narrow till very end, for much of
its length lower-surface, mostly in the apical part of the leaf.
The corridor frequently intersects itself. Frass in discrete grains.
Pupation in the mine, Around the mine the leaf almost always turns
violet (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 de Meijere (1926)
and Hering (1955a).
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).
White (Spencer, 1976: 510; and Bladmineerders van Europa).
Hosts in Great Britain & Ireland:
of year - mines: July-August.
of year - adults: Currently unknown.
in Great Britain & Ireland: Widespread in Britain including Middlesex
(Scratch Wood), Huntingdonshire (Woodwalton Fen), Glam (Neath Vale) (Spencer, 1972b: 94), Inner Hebrides (Isle of Coll) (Bland,
1992) and Warwickshire (Robbins,
recorded in the Republic of Ireland: Co. Clare (Poulavallan) and
Co. Kerry (Killarney) (Spencer, 1972b: 94).
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Distribution elsewhere: Widespread in continental Europe Denmark, Germany (Spencer,
1976: 510), French mainland, Italian mainland, Lithuania, Poland
and The Netherlands (Martinez in Fauna Europaea).
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British and Irish Parasitoids in Britain and elsewhere: