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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Phytomyza fulgens Hendel, 1920
[Diptera: Agromyzidae]

Phytomyza fulgens Hendel, 1920. Arch. Naturgesch. 84A(7) (1918): 157
Phytomyza fulgens Hendel, 1920; Spencer, 1972b. Handbk ident. Br. Ins. 10(5g): 80, 118
Phytomyza fulgens Hendel, 1920; Spencer, 1990. Host specialization in the World Agromyzidae (Diptera) : 21, 33, 34 (figs 100-1).

Leaf-mine: Mine beginning on lower surface, the linear upper surface section eaten out somewhat irregularly at sides (Spencer, 1972b: 80).

Corridor mine; the corridor begins with a lower-surface spiral or patch. The upper-surface corridor that follows has very irregular sides, and frass in long pearl chains. Pupation outside the mine (Bladmineerders van Europa).

A narrow gallery similar to P. vitalbae, but starting on the lower surface. The linear upper section eaten out irregularly at sides (British leafminers).

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 are described by de Meijere (1928, as auricomi) and the posterior spiracle is illustrated in 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).

Dark brown (Spencer, 1972b: 80).

Hosts in Great Britain & Ireland:

Clematis       Robbins, 1991: 26
Clematis vitalba Traveller's-joy British Wild Flowers by John Somerville et al. British leafminers
Clematis vitalba Traveller's-joy British Wild Flowers by John Somerville et al. Mines in BMNH
Clematis vitalba Traveller's-joy British Wild Flowers by John Somerville et al. Robbins, 1989: 24
Clematis vitalba Traveller's-joy British Wild Flowers by John Somerville et al. Spencer, 1972b: 118

Hosts elsewhere:

Clematis       Spencer, 1990: 21
Clematis       Bladmineerders van Europa

Time of year - mines: October.

Time of year - adults: Currently unknown.

Distribution in Great Britain & Ireland: Uncommon. Surrey (Mickleham) (Spencer, 1972b: 80) and Warwickshire (Coventry, Leamington Spa and Warwick) (Robbins, 1991: 26).

NBN Grid Map:

NBN Grid Map

Phytomyza fulgens
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Distribution elsewhere: Widespread in continental Europe including Denmark, Germany, The Netherlands (Bladmineerders van Europa) and Austria (Martinez in Fauna Europaea).

NBN Interactive Grid Maps of known host species:

Clematis vitalba

British and Irish Parasitoids in Britain and elsewhere:

Chrysocharis entedonoides (Walker, 1872) Eulophidae: Entedoninae
Dacnusa laevipectus Thomson, 1895 Braconidae: Alysiinae

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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