The leaf and stem mines of British flies and other insects
 

(Coleoptera, Diptera, Hymenoptera and Lepidoptera)

by Brian Pitkin, Willem Ellis, Colin Plant and Rob Edmunds

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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.


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 & Ireland:

Scrophulariaceae        
Rhinanthus minor Yellow-rattle British Wild Flowers by John Somerville et al. Spencer, 1972b: 120
Rhinanthus minor subsp. calcareus     Spencer, 1972b: 120

Hosts elsewhere:

Scrophulariaceae        
Rhinanthus       Spencer, 1976: 524
Rhinanthus       Spencer, 1990: 222

Time of year - larvae: Currently unknown.

Time of year - adults: July-August.

Distribution in Great Britain & 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 Yokshire 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 (Martinez in Fauna Europaea) and Iceland (Spencer, 1976: 524).

Also known from Canada (Nova Scotia) (Spencer, 1976: 524).

NBN Atlas links to known host species:

Rhinanthus minor

British and Irish Parasitoids in Britain and elsewhere:

Chalcidoidea  
Seladerma geniculatum (Zetterstedt, 1838) Pteromalidae: Miscogastrinae


External links: Search the internet:
Biodiversity Heritage Library
Bladmineerders van Europa
British leafminers
Encyclopedia of Life
Fauna Europaea
NBN Atlas
NHM UK Checklist
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