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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Metopomyza nigrohumeralis (Hendel, 1931)
[Diptera: Agromyzidae]


Metopomyza nigrohumeralis (Hendel, 1931)


Leaf-mine: Undescribed. Pupation outside the mine (Bladmineerders van Europa).

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.

Rear spiracula very remarkable, with some tens of papillae, each of them on top of a long stalk, making the spiraculum look like a shaving brush (Dempewolf, 2001a).

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: Currently unknown.

Hosts elsewhere:

Cyperaceae        
Carex acuta     Bladmineerders van Europa

Time of year - mines: Currently unknown.

Time of year - adults: An adult was trapped in May 2016 (British leafminers)

Distribution in Great Britain and Ireland: UK (Telfer & Gibbs, 2017) (Bladmineerders van Europa).

Distribution elsewhere: From Sweden to the Pyrenees and Italy, and from France to Czechia (Fauna Europaea, 2008) (Bladmineerders van Europa).

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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