Phytomyza
varipes Macquart, 1835
[Diptera:
Agromyzidae]
Phytomyza
varipes Macquart, 1835. Hist. nat. Ins. Dipt. 2:
618
Phytomyza stylata Meigen, 1838. Systematische Beschreibung
der bekannten europaischen zweiflugeligen Insekten. 7:
404
Phytomyza varipes Macquart, 1835; Hendel, 1935. Fliegen
palaearkt. Reg. 6(2): 495
Phytomyza varipes Macquart, 1835; Spencer, 1972b. Handbk
ident. Br. Ins. 10(5g): 75, 120
Phytomyza varipes Macquart, 1835; Spencer, 1976. Fauna ent. Scand. 5(1): 523-4, figs 916-7.
Phytomyza varipes Macquart, 1835; Spencer, 1990. Host
specialization in the World Agromyzidae (Diptera) : 222, 228
(fig. 863), 229.
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Seed-feeder:
Larva
feeding and pupating in seed-heads (Spencer,
1976: 524).
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.
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).
Black, flattened, shining (Spencer,
1976: 524).
Hosts in Great Britain and Ireland:
Hosts elsewhere:
Time
of year - larvae: Currently unknown.
Time
of year - adults: July-August.
Distribution
in Great Britain and Ireland: Cambridge (Wicken Fen), Suffolk
(Barton Mills), Is. of Lewis (Spencer, 1972b: 75), Inner Hebrides (Isle of Coll) (Bland,
1992); Cambridgeshire, East Suffolk, Glamorgan, North Somerset, South-west Yorkshire and West Suffolk (NBN
Atlas).
Also
recorded in the Republic of Ireland: Co. Clare (the Burren), nr.
Dublin (Spencer, 1972b: 75). Distribution
elsewhere: Widespread in continental Europe including Denmark, Estonia,
Faroe Is., Finland, French mainland, Germany, Hungary, Italian mainland,
Lithuania, Norwegian mainland, Poland, Sweden, The Netherlands (Fauna Europaea) and Iceland (Spencer,
1976: 524).
Also
known from Canada (Nova Scotia) (Spencer,
1976: 524). NBN Atlas links to known host species:
British and Irish Parasitoids in Britain and elsewhere:
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