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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Agromyza luteitarsis (Rondani, 1875)
[Diptera: Agromyzidae]

Domomyza luteitarsis Rondani, 1875. Bull. Soc. ent. ital. 7: 175
Domomyza luteitarsis Rondani, 1875; Hendel, 1931. Fliegen palaearkt. Reg. 6(2): 130
Agromyza luteitarsis (Rondani, 1875); Spencer, 1976. Fauna ent. Scand. 5(1): 120-1, figs 201-3.
Agromyza luteitarsis (Rondani, 1875); Spencer, 1990. Host specialization in the world Agromyzidae (Diptera).: 356, 360 (fig. 351), 361.


Leaf-mine: Blotch, near the leaf tip, containing one or two larvae; 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.

The larva is described by Darvas, Skuhravá and Andersen (2000); mandible with 2 teeth; front spiraculum with 8, rear spiraculum with 3 bulbs. The bulbs of the rear spiraculum are elongated and S-shaped, like in cinerascens and intermittens (d'Aguilar, Chambon and Touber, 1976a) (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).

Reddish-brown, but the anterior segments are noticeably darkened, almost blackish; posterior spiracles each with 3 bulbs, the two processes separated by approximately their own diameter (Spencer, 1976: 121).

Hosts in Great Britain & Ireland: Currently unknown.

Hosts elsewhere:

Poaceae        
Hordeum       Spencer, 1990: 356
Hordeum vulgare Six-rowed Barley   Spencer, 1976: 121
Hordeum vulgare Six-rowed Barley   Bladmineerders van Europa
Secale cereale Rye   Bladmineerders van Europa
Secale cereale Rye   Spencer, 1976: 121
Secale cereale Rye   Spencer, 1990: 356
Triticum aestivum Bread Wheat   Spencer, 1976: 121
Triticum aestivum Bread Wheat   Bladmineerders van Europa

Time of year - larvae: Currently unknown. There is apparently only one generation per year (Spencer, 1976: 121).

Time of year - adults: Currently unknown.

Distribution in Great Britain & Ireland: Added to British checklist by Cole in Chandler (1998: 136). Recorded from Cambridgeshire (NBN Atlas). Also recorded in the Republic of Ireland (Martinez in Fauna Europaea).

Distribution elsewhere: Widespread in continental Europe. Described from northern Italy. Recorded in Denmark, Sweden, Finland (Spencer, 1976: 121), Germany (von Tschirnhaus, 1999), Austria, Czech Republic, Lithuania, Slovakia, Spanish mainland and The Netherlands (Martinez in Fauna Europaea).

NBN Atlas links to known host species:

Hordeum vulgare, Secale cereale, Triticum aestivum

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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