Delia pruinosa [Diptera: Anthomyiidae] in Leaf and stem mines of British flies and other insects

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Delia pruinosa (Zetterstedt, 1845)
[Diptera: Anthomyiidae]

Aricia pruinosa Zetterstedt, 1845. Dipt. scand. 4: 1567
Aricia flavifrons Zetterstedt, 1860. Dipt. scand. 4: 6242. [Synonymised by Michelsen, 1985]
Hylemyia judicariae Pokorny, 1893. Verh. zool.-bot. Ges. Wien 43: 11
Anthomyia (Chortophila) rubuginans Pandelle, 1900. Revue Ent. 19(Suppl.): 254
Chortophila flavidipennis Stein, 1916. Arch. Naturgesch. 81A(10)(1915): 171. [Synonymised by Michelsen, 1985].
Delia pruinosa (Zetterstedt, 1845); Ackland and Pont, 1996. Entomologist's mon. Mag. 132: 18-19.

Seed-feeder: Details unknown.

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 and Ireland:

Hosts elsewhere: Currently unknown.

Time of year - mines: Currently unknown.

Time of year - adults: Currently unknown.

Distribution in Great Britain and Ireland: Britain including Cambridgeshire (Devil's Ditch), Norfolk (Blakeney Point), Kent (Folkestone), Surrey (White Downs and Riddlesdown) and Sussex (Eastbourne, Crumbles) (Ackland and Pont, 1996); Cambridgeshire, Dorset, East Sussex, Merionethshire, South Hampshire, Surrey, Shetland (NBN Atlas).

Distribution elsewhere: Widespread in continental Europe including Denmark, Finland, Germany, ? Italian mainland, Norwegian mainland, Poland, Russia - North, Sweden and Switzerland (Michelsen in Fauna Europaea).

NBN Atlas links to known host species:

British and Irish Parasitoids in Britain and elsewhere: Currently unknown.

Biodiversity Heritage Library
Bladmineerders van Europa
British leafminers
Encyclopedia of Life
Fauna Europaea
NBN Atlas
NHM UK Checklist