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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Melanagromyza cunctans (Meigen, 1830)
[Diptera: Agromyzidae]

Agromyza cunctans Meigen, 1830. Syst. Beschr. 6: 178
Melanagromyza cunctans (Meigen, 1830); Hendel, 1931. Fliegen palaearkt. Reg. 6(2): 163
Melanagromyza cunctans (Meigen, 1830); Spencer, 1966. Beitr. Ent. 16: 17
Melanagromyza cunctans (Meigen, 1830); Spencer, 1972b. Handbk ident. Br. Ins. 10(5g): 16 (figs 18-19), 17, 19, 117
Melanagromyza cunctans (Meigen, 1830); Spencer, 1976. Fauna ent. Scand. 5(1): 49-50, figs 33-38
Melanagromyza cunctans (Meigen, 1830); Spencer, 1990. Host specialization in the World Agromyzidae (Diptera) : 112, 119, 125, 126 (figs 444-6).

Gall-former: A slender cylindrical gall in the upper part of the stem (Spencer, 1972b: 18; Redfern et al, 2002: 363, fig. 459). Pupation internal.

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).

Posterior spiracles separated by slightly less than their own diameter; each with a ring of 6-8 ill-defined bulbs around the low protuberance replacing the normal horn (Spencer, 1972b: 16, fig. 19).

Hosts in Great Britain & Ireland:

Lotus corniculatus Common Bird's-foot-trefoil British Wild Flowers by John Somerville et al. Spencer, 1972b: 117

Hosts elsewhere:

Lotus corniculatus Common Bird's-foot-trefoil British Wild Flowers by John Somerville et al. Spencer, 1976: 50
Lotus corniculatus Common Bird's-foot-trefoil British Wild Flowers by John Somerville et al. Spencer, 1990: 112

Time of year - galls: Currently unknown.

Time of year - adults: August.

Distribution in Great Britain & Ireland: Uncommon. Surrey (Box Hill), Buckinghamshire (Ivinghoe), Hereford (Tarrington) (Spencer, 1972b: 19); East Sussex (VC14), Glamorganshire (VC41), North Somerset (VC6), South Wiltshire and West Gloucestershire (NBN Gateway).

NBN Grid Map:

NBN Grid Map

Melanagromyza cunctans
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: Widespread in continental Europe including Sweden, Germany and Austria but more common in Mediterranean areas, with records from Corsica, Italian mainland, Spain and Yugoslavia (Spencer, 1976: 50), Belgium, Canary Is., Czech Republic, European Turkey, French mainland, Hungary, Italian mainland, Lithuania, Poland, Slovakia and Switzerland (Martinez in Fauna Europaea).

NBN Interactive Grid Maps of known host species:

Lotus corniculatus

British and Irish Parasitoids in Britain and elsewhere:

Chrysocharis amyite (Walker, 1839) Eulophidae: Entedoninae
Chrysocharis entedonoides (Walker, 1872) Eulophidae: Entedoninae
Pholetesor viminetorum (Wesmael, 1837) Braconidae: Microgastrinae

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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