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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Pegomya setaria (Meigen, 1826)
[Diptera: Anthomyiidae]


Anthomyia setaria Meigen, 1826. Syst. Beschr. 5: 178
Anthomyza salicis Zetterstedt, 1837. Isis, Leipzig. 1837: 45
Anthomyza salicis Zetterstedt, 1838. Insecta Lapp. : 692
Anthomyza calceolata Zetterstedt, 1845. Dipt. Scand. 4: 1704
Anthomyia grossa Brischke, 1881. Schr. naturf. Ges. Danzig. (N.F.) 5: 268.
Pegomya setaria (Meigen, 1826).



Leaf-mine: Blotch mine. Broad corridor, widening into a large transparant blotch with 1 or several, proportionally very large larvae that quickly completely mine out a leaf, then move to another leaf. At the start of the first mine at the leaf underside 1 or more oval egg shells. Pupation outside the mine (Bladmineerders van Europa).

Forms large blotches on leaves (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 larva 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).

Comments: Ackland in Chandler (1978) did not indicate whether his host records were British or Foreign and are therefore tentatively included under 'Hosts in Britain' and 'Hosts elsewhere'.

Hosts in Great Britain & Ireland:

Polygonaceae        
Convolvulus       British leafminers
Fallopia baldschuanica Russian-vine British Wild Flowers by John Somerville et al. Robbins, 1991: 69, as Fallopia auberti
Fallopia baldschuanica Russian-vine British Wild Flowers by John Somerville et al. British leafminers, as Fallopia auberti
? Fallopia baldschuanica Russian-vine British Wild Flowers by John Somerville et al. Ackland in Chandler, 1978: 228
Fallopia baldschuanica Russian-vine British Wild Flowers by John Somerville et al. Robbins, 1991: 69

? Fallopia

convolvulus Black-bindweed British Wild Flowers by John Somerville et al. Ackland in Chandler, 1978: 228, as Polygonum convolvulus
Fallopia convolvulus Black-bindweed British Wild Flowers by John Somerville et al. Robbins, 1991: 69

Hosts elsewhere:

Polygonaceae        
? Fallopia baldschuanica Russian-vine British Wild Flowers by John Somerville et al. Ackland in Chandler, 1978: 228
Fallopia baldschuanica Russian-vine British Wild Flowers by John Somerville et al. Bladmineerders van Europa

? Fallopia

convolvulus Black-bindweed British Wild Flowers by John Somerville et al. Ackland in Chandler, 1978: 228, as Polygonum convolvulus
Fallopia convolvulus Black-bindweed British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Fallopia convolvulus Black-bindweed British Wild Flowers by John Somerville et al. Griffiths, 1982, as Polygonum convolvulus
Fallopia dumetorum Copse-bindweed   Bladmineerders van Europa
? Persicaria       Bladmineerders van Europa

Time of year - mines: June-September.

Time of year - adults: Currently unknown.

Distribution in Great Britain & Ireland: Britain including Warwickshire (Coventry, Brownhill, Sutton Coldfield and Tile Hill) (Robbins, 1991: 69), Hampshire (Fleet) (British leafminers); Cambridgeshire, East Norfolk, North Hampshire, Oxfordshire, South-west Yorkshire, Surrey and West Kent (NBN Atlas).

Distribution elsewhere: Widespread in continental Europe including The Netherlands (Bladmineerders van Europa), Belgium (Gosseries and Ackland, 1991), Czech Republic, Denmark, Finland, French mainland, Germany, Hungary, Norwegian mainland, Poland, Russia - Central, Slovakia and Sweden (Michelsen in Fauna Europaea).

NBN Atlas links to known host species:

Fallopia aubertii, Fallopia baldschuanica, Fallopia convolvulus, Fallopia dumetorum, Polygonum aviculare

British and Irish Parasitoids in Britain and elsewhere:

Ichneumonoidea  
Apodesmia rufipes (Wesmael, 1835) Braconidae: Opiinae
Biosteres wesmaelii (Haliday, 1837) Braconidae: Opiinae


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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