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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Aulagromyza anteposita (Strobl, 1898)
[Diptera: Agromyzidae]

Phytomyza anteposita Strobl, 1898a. Mitt. naturw. Ver. Steierm. 34: 275
Paraphytomyza anteposita (Strobl, 1898a); Spencer, 1972b. Handbk ident. Br. Ins. 10(5g): 64
Paraphytomyza anteposita (Strobl, 1898a); Spencer, 1990. Host specialization in the world Agromyzidae (Diptera) : 234 (fig. 885), 235, 236
Aulagromyza anteposita (Strobl, 1898)

Stem-feeder: Spencer (1972b) recorded anteposita as an 'external stem miner (report as stem-borer on Galium molluga inaccurate)'. However, he later stated that the species was an 'internal stem-feeder' (Spencer, 1990: 235).

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 & Ireland:

Galium aparine Cleavers British Wild Flowers by John Somerville et al. Robbins, 1991: 105
Galium aparine Cleavers British Wild Flowers by John Somerville et al. Spencer, 1972b: 119

Hosts elsewhere:

Galium aparine Cleavers British Wild Flowers by John Somerville et al. Spencer, 1990: 235

Time of year - larvae: Currently unknown.

Time of year - adults: June.

Distribution in Great Britain & Ireland: Widespread in Britain including Kent (Darenth), Middlesex (Scratch Wood) and Dunbarton (Bonhill) (Spencer, 1972b: 64); Cambridgeshire (VC29), Shropshire (VC40), Stafford and Worcestershire (VC37) (NBN Gateway).

NBN Grid Map:

NBN Grid Map

Aulagromyza anteposita
NBN Grid Map : NBN Terms and Conditions

Maps are only displayed if the NBN server is active. N.B. Only publicly available records, if any, are shown by default

Distribution elsewhere: Europe (Spencer, 1990: 235) including Austria, Balearic Is, Belgium, Canary Is., Croatia, Czech Republic, Denmark, French mainland, Germany, Poland, Slovakia, Switzerland and The Netherlands (Martinez in Fauna Europaea).

NBN Interactive Grid Maps of known host species:

Galium aparine

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 Gateway
NHM UK Checklist

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