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


Liriomyza orbona (Meigen, 1830)
[Diptera: Agromyzidae]

Agromyza orbona Meigen, 1830. Syst. Beschr. 6: 186
Liriomyza orbona (Meigen, 1830); Hendel, 1931. Fliegen palaearkt. Reg. 6(2): 236
Liriomyza orbonella Hendel, 1931. Fliegen palaearkt. Reg. 6(2): 238
Liriomyza orbona (Meigen, 1830); Spencer, 1972b. Handbk ident. Br. Ins. 10(5g): 47 (fig. 146), 50, 112
Liriomyza orbona (Meigen, 1830); Spencer, 1976. Fauna ent. Scand. 5(1): 259-60, figs 384, 458-9.
Liriomyza orbona (Meigen, 1830); Spencer, 1990. Host specialization in the World Agromyzidae (Diptera) : 354, 355, 372 (fig. 1405), 373.

Leaf-mine: Details unknown.

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).

Hosts in Great Britain and Ireland:

? Avena       Spencer, 1990: 354
? Deschampsia       Spencer, 1990: 354

? Poa

      Spencer, 1990: 355

Hosts elsewhere:

Avena       Bladmineerders van Europa
Deschampsia       Bladmineerders van Europa
Hordeum murinum Wall Barley   Bladmineerders van Europa
Poa       Bladmineerders van Europa

Time of year - larvae: Currently unknown.

Time of year - adults: Common in spring (Spencer, 1990).

Distribution in Great Britain and Ireland: Widepread from Cornwall (I. of Scilly) to Sutherland (Invernaver) including Channel Is. (Fauna Europaea); Caernarvonshire, Cambridgeshire, East Kent, East Suffolk, Glamorgan, North Somerset, Nottinghamshire, Pembrokeshire, South-west Yorkshire and West Cornwall (NBN Atlas).

Also recorded in the Republic of Ireland: Co. Clare (Burren) (Spencer, 1972b: 50).

Distribution elsewhere: Widespread in continental Europe including Denmark, Sweden (Spencer, 1976: 259), Canary Is., Crete, Czech Republic, Dodecanese Is., European Turkey, Finland, French mainland, Hungary, Italian mainland, Lithuania, Madeira, Malta, Poland, Sicily, Spanish mainland, Switzerland, The Netherlands and Yugoslavia (Fauna Europaea).

NBN Atlas links to known host species:

Hordeum vulgare

British and Irish Parasitoids in Britain and elsewhere: Currently unknown.

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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