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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Liriomyza graminivora Hering, 1949
[Diptera: Agromyzidae]

? BRITISH


Liriomyza graminivora Hering, 1949b. Notul ent. 28: 18
Liriomyza graminivora Hering, 1949b; Spencer, 1990. Host specialization in the World Agromyzidae (Diptera) : 355, 356, 372 (figs 1403-4), 373.


Leaf-mine: Upper surface corridor mine. The mine starts at the leaf apex. Frass in clumps or closely packed grains (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.

Posterior spiracles of the larvae with 9-11 bulbs (Bladmineerders van Europa).

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: Although tentatively recorded by Robbins (1991: 140) and Pitkin & Plant), Liriomyza graminivora is not listed as a British species by Henshaw in Chandler, 1998.

Hosts in Great Britain & Ireland:

Poaceae        
Arrhenatherum elatius False Oat-grass British Wild Flowers by John Somerville et al. Robbins, 1991: 140
Arrhenatherum elatius False Oat-grass British Wild Flowers by John Somerville et al. Pitkin & Plant

Hosts elsewhere:

Poaceae        
Arrhenatherum elatius False Oat-grass British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Festuca       Bladmineerders van Europa
Hordeum       Spencer, 1990: 356
Hordeum murinum Wall Barley British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Poa       Spencer, 1990: 355
Poa annua Annual Meadow-grass British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Poa compressa Flattened Meadow-grass British Wild Flowers by John Somerville et al. Bladmineerders van Europa

Time of year - mines: May-June and August-September (Hering, 1957).

Time of year - adults: Currently unknown.

Distribution in Great Britain & Ireland: Currently unknown.

Distribution elsewhere: Germany (Berlin) (Spencer, 1990: 373), Czech Republic, Lithuania, Poland and Slovakia (Martinez in Fauna Europaea).

NBN Atlas links to known host species:

Arrhenatherum elatius, Hordeum murinum, Poa annua, Poa compressa

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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