varipes Macquart, 1835
varipes Macquart, 1835. Hist. nat. Ins. Dipt. 2:
Phytomyza stylata Meigen, 1838. Systematische Beschreibung
der bekannten europaischen zweiflugeligen Insekten. 7:
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.
feeding and pupating in seed-heads (Spencer,
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,
Hosts in Great Britain & Ireland:
of year - larvae: Currently unknown.
of year - adults: July-August.
in Great Britain & Ireland: Cambridge (Wicken Fen), Suffolk
(Barton Mills), Is. of Lewis (Spencer, 1972b: 75), Inner Hebrides (Isle of Coll) (Bland,
1992); Cambridgeshire (VC29), East Norfolk (VC27), East Suffolk (VC25), East Sussex (VC14),
Glamorganshire (VC41), North Somerset (VC6), West Norfolk (VC28) and West Suffolk (VC26) (NBN
recorded in the Republic of Ireland: Co. Clare (the Burren), nr.
Dublin (Spencer, 1972b: 75).
NBN Grid Map:
elsewhere: Widespread in continental Europe including Denmark, Estonia,
Faroe Is., Finland, French mainland, Germany, Hungary, Italian mainland,
Lithuania, Norwegian mainland, Poland, Sweden, The Netherlands (Martinez
in Fauna Europaea) and Iceland (Spencer,
known from Canada (Nova Scotia) (Spencer,
NBN Interactive Grid Maps of known host species:
British and Irish Parasitoids in Britain and elsewhere: