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

N.B. Links to the latest version of 'Leafminers and plant galls of Europe' are being edited

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Agromyza conjuncta Spencer, 1966
[Diptera: Agromyzidae]

Agromyza conjuncta Spencer, 1966c. Beitr. Ent. 16(3-4): 286
Agromyza conjuncta Spencer, 1966c; Spencer, 1972b. Handbk ident. Br. Ins. 10(5g): 30 (fig. 77), 33
Agromyza conjuncta Spencer, 1966c; Spencer, 1990. Host specialization in the world Agromyzidae (Diptera) : 359.


Lifestyle: Currently 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. The larvae lie on their sides within the mine and use their pick-like mouthparts to feed on plant tissue.

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).

Comments: It 'obviously feeds on Poaceae' (Spencer, 1990: 359).

Hosts in Great Britain & Ireland: Currently unknown.

Hosts elsewhere: Currently unknown.

Time of year - larvae: Currently unknown.

Time of year - adults: June.

Distribution in Great Britain & Ireland: Cambridge (Dullingham), Glamorgan (Porthcawl), Dunbarton (Bonhill) (Spencer, 1972b: 33) and West Gloucestershire (NBN Atlas).

Distribution elsewhere: Uncommon but Widespread in continental Europe, particularly in the south (Spencer, 1972b: 33), including Belgium, Crete, Czech Republic, Dodecanese Is., French mainland, Germany, Italian mainland, Poland, Sicily, Slovakia and Yugoslavia (Martinez in Fauna Europaea).

NBN Atlas links to known host species:

Host species unknown  

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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