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

N.B. Links to the latest version of 'Leafminers and plant galls of Europe' are being edited

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Agromyza idaeiana (Hardy, 1853)
[Diptera: Agromyzidae]

Agromyza idaeiana Hardy, 1853b. The Scottish Gardener 2(10): 300-301
Phytomyza potentillae Kaltenbach, 1864. Verh. naturh. Ver. preuss. Rheinl. 21: 104. [Synonymised by Bland, 2000: 10]
Agromyza spiraeae Kaltenbach, 1867. Verh. naturh. Ver. preuss. Rheinl. 24: 104. [Synonymised by Bland, 2000: 10]
Agromyza sanguisorbae Hendel, 1931. Fliegen palaearkt. Reg. 6(2): 149. [Synonymised by Bland, 2000: 10]
Agromyza reptans leucomaculata Vimmer, 1931. Arch. Prir. vyzk. Cech. 18: 27. [Synonymised by Bland, 2000: 11]
Dizygomyza stackelbergi Frey, 1946. Notul. ent. 26: 46. [Synonymised by Bland, 2000]
Agromyza erici Rydén, 1952. Opusc. ent. 17: 27. [Synonymised by Bland, 2000: 11]
Agromyza spiraeae Kaltenbach, 1867; Spencer, 1972b. Handbk ident. Br. Ins. 10(5g): 5, 30, 36 (fig. 106), 39, 108, 119
Agromyza potentillae (Kaltenbach, 1864); Spencer, 1976. Fauna ent. Scand. 5(1): 134-6, figs 234-8
Agromyza potentillae (Kaltenbach, 1864); von Tschirnhaus, 1981. Spixiana Supplement 6: PAGE
Agromyza potentillae (Kaltenbach, 1864); Spencer and Steyskal, 1986. Manual of the Agromyzidae (Diptera) of the United States : PAGE
Agromyza potentillae (Kaltenbach, 1864); Spencer, 1990. Host specialization in the world Agromyzidae (Diptera) : 61, 97, 100, 102, 103 (figs 366-7), 104, 152
Agromyza potentillae (Kaltenbach, 1864); Robbins, 1991. The leaf miners of Warwickshire : 49
Agromyza idaeaina Hardy, 1853b; Bland, 2000. Dipterists Digest 7: 9-14.


Leaf-mine: Initially a linear mine which later develops into a conspicuous blotch; frass in two rows in linear section, scattered irregularly in the blotch (Spencer, 1976: 134-5, fig. 237, as potentillae).

Corridor, gradually and considerably widening towards the end. Frass in two rows in the corridor part, further up dispersed irregularly. Pupation outside the mine (Bladmineerders van Europa).

A short broad upper surface corridor leading to a long blotch between veins (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 described by Hering (1954) and illustrated in Bladmineerders van Europa. Larval mandibles with two teeth (Spencer, 1976: 135, fig. 238).

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).

Reddish-brown; posterior spiracles each with 3 bulbs (Spencer, 1976: 134, as potentillae). Yellowish brown (Bladmineerders van Europa).

Comments: Whilst it attacks Rubus idaeus (raspberry) it never feeds on R. fruticosus (blackberry) (Spencer, 1990: 104, as potentillae).

Potentilla palustris is treated as Comarum palustre (Marsh Cinquefoil) and Sanguisorba minor is treated as Poterium sanguisorba (Salad Burnet) by Stace (2010).

Hosts in Great Britain & Ireland:

Rosaceae        
Agrimonia       Robbins, 1991: 49
Agrimonia       British leafminers
Agrimonia eupatoria Agrimony British Wild Flowers by John Somerville et al. Mines in BMNH
Agrimonia eupatoria Agrimony British Wild Flowers by John Somerville et al. Robbins, 1989: 19
Agrimonia eupatoria Agrimony British Wild Flowers by John Somerville et al. Spencer, 1972b: 119
Agrimonia procera Fragrant Agrimony British Wild Flowers by John Somerville et al. Mines in BMNH
Alchemilla       Image from Ashley Watson 01-07-2016
Filipendula ulmaria Meadowsweet British Wild Flowers by John Somerville et al. Mines in BMNH
Filipendula ulmaria Meadowsweet British Wild Flowers by John Somerville et al. British leafminers
Filipendula ulmaria Meadowsweet British Wild Flowers by John Somerville et al. Robbins, 1989: 19
Filipendula ulmaria Meadowsweet British Wild Flowers by John Somerville et al. Spencer, 1972b: 119
Filipendula vulgaris Dropwort British Wild Flowers by John Somerville et al. Mines in BMNH
Filipendula vulgaris Dropwort British Wild Flowers by John Somerville et al. Spencer, 1972b: 119
Fragaria ananassa Garden Strawberry British Wild Flowers by John Somerville et al. Robbins, 1991: 49
Fragaria ananassa Garden Strawberry British Wild Flowers by John Somerville et al. British leafminers
Fragaria vesca Wild Strawberry British Wild Flowers by John Somerville et al. Spencer, 1972b: 119
Fragaria viridis     Mines in BMNH
Geum       Mines in BMNH
Geum urbanum Wood Avens British Wild Flowers by John Somerville et al. Robbins, 1989: 19
Geum urbanum Wood Avens British Wild Flowers by John Somerville et al. Spencer, 1972b: 119
Potentilla anserina Silverweed British Wild Flowers by John Somerville et al. Mines in BMNH
Potentilla anserina Silverweed British Wild Flowers by John Somerville et al. British leafminers
Potentilla anserina Silverweed British Wild Flowers by John Somerville et al. Robbins, 1991: 49
Potentilla anserina Silverweed British Wild Flowers by John Somerville et al. Spencer, 1972b: 119
Potentilla erecta Tormentil British Wild Flowers by John Somerville et al. Mines in BMNH
Potentilla erecta Tormentil British Wild Flowers by John Somerville et al. Spencer, 1972b: 119
Potentilla palustris Marsh Cinquefoil British Wild Flowers by John Somerville et al. Mines in BMNH
Potentilla reptans Creeping Cinquefoil British Wild Flowers by John Somerville et al. Mines in BMNH
Potentilla reptans Creeping Cinquefoil British Wild Flowers by John Somerville et al. British leafminers
Potentilla reptans Creeping Cinquefoil British Wild Flowers by John Somerville et al. Robbins, 1991: 49
Potentilla ulmaria     Robbins, 1991: 49
Rubus   A bramble   Mines in BMNH
Rubus   A bramble   Robbins, 1991: 49
Rubus   A bramble   British leafminers
Rubus idaeus Raspberry British Wild Flowers by John Somerville et al. Mines in BMNH
Rubus idaeus Raspberry British Wild Flowers by John Somerville et al. Robbins, 1989: 19
Rubus idaeus Raspberry British Wild Flowers by John Somerville et al. Spencer, 1972b: 119
Rubus parviflorus Thimbleberry   Mines in BMNH
Rubus parviflorus Thimbleberry   Spencer, 1972b: 119
Sanguisorba       Mines in BMNH
Sanguisorba minor Salad Burnet British Wild Flowers by John Somerville et al. Mines in BMNH
Sanguisorba officinalis Great Burnet British Wild Flowers by John Somerville et al. Spencer, 1972b: 119

Hosts elsewhere:

Grossulariaceae        
Ribes glandulosum     Spencer, 1990: 97
Rosaceae        
Acaena novae-hollandiae     Bladmineerders van Europa
Agrimonia       Spencer, 1976: 134
Agrimonia       Spencer, 1990: 102
Agrimonia eupatoria Agrimony British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Alchemilla       Spencer, 1976: 134
Alchemilla       Spencer, 1990: 102
Alchemilla acutiloba     Bladmineerders van Europa
Alchemilla xanthochlora     Bladmineerders van Europa
Aremonia       Spencer, 1990: 102
Aremonia       Bladmineerders van Europa
Aruncus dioicus Buck's-beard   Bladmineerders van Europa
Comarum       Spencer, 1976: 134
Comarum       Spencer, 1990: 102
Duchesnea indica Yellow-flowered Strawberry British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Filipendula       Spencer, 1976: 134
Filipendula       Spencer, 1990: 102
Filipendula ulmaria Meadowsweet British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Filipendula vulgaris Dropwort British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Fragaria       Spencer, 1976: 134
Fragaria       Spencer, 1990: 102
Fragaria moschata Hautbois Strawberry   Bladmineerders van Europa
Fragaria semperflorens     Bladmineerders van Europa
Fragaria vesca Wild Strawberry British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Fragaria virginiana     Bladmineerders van Europa
Fragaria viridis     Bladmineerders van Europa
Fragaria x ananassa     Bladmineerders van Europa
Geum       Spencer, 1976: 134
Geum       Spencer, 1990: 102
Geum rivale Water Avens British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Geum urbanum Wood Avens British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Potentilla       Spencer, 1976: 134
Potentilla       Spencer, 1990: 102
Potentilla alba     Bladmineerders van Europa
Potentilla anserina Silverweed British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Potentilla arachnoidea     Bladmineerders van Europa
Potentilla erecta Tormentil British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Potentilla heptaphylla     Bladmineerders van Europa
Potentilla indica     Bladmineerders van Europa
Potentilla norvegica Ternate-leaved Cinquefoil   Bladmineerders van Europa
Potentilla palustris Marsh Cinquefoil British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Potentilla recta Sulphur Cinquefoil British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Potentilla reptans Creeping Cinquefoil British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Potentilla tabernaemontani     Bladmineerders van Europa
Potentilla verna Spring Cinquefoil British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Rosa       Spencer, 1976: 134
Rosa       Spencer, 1990: 102
Rosa       Bladmineerders van Europa
Rubus   A bramble   Spencer, 1976: 134
Rubus   A bramble   Spencer, 1990: 102
Rubus caesius Shrub Dewberry   Bladmineerders van Europa
Rubus fruticosus Bramble / Blackberry   Bladmineerders van Europa
Rubus idaeus Raspberry British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Rubus niveus A bramble   Bladmineerders van Europa
Rubus odoratus Purple-flowered Raspberry   Bladmineerders van Europa
Rubus saxatilis Stone Bramble British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Rubus spectabilis Salmonberry British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Sanguisorba       Spencer, 1976: 134
Sanguisorba       Spencer, 1990: 102
Sanguisorba minor Salad Burnet British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Sanguisorba officinalis Great Burnet British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Sibbaldia       Spencer, 1990: 102
Spiraea       Bladmineerders van Europa

Time of year - mines: May-November.

Time of year - adults: June.

Distribution in Great Britain & Ireland: Common and widespread throughout Britain including Dunbarton (Bonhill), Perth (Killin), Sutherland (Lochinver) (Spencer, 1972b: 36), Warwickshire (Exhall) (Robbins, 1991: 49), Hampshire (Fleet) (British leafminers), Banff, Breconshire, Buckinghamshire, Cambridgeshire, East Gloucestershire, East Ross, Edinburgh, Fife, Glamorgan, Haddington, Main Argyll, Merionethshire, Mid-west Yorkshire, Middlesex, North Ebudes, North-west Yorkshire, Orkney, Shropshire, South Lancaster, South-west Yorkshire, Stafford, Surrey, West Kent, Westmorland and Wigtownshire (NBN Atlas).

Also recorded in the Republic of Ireland (Martinez in Fauna Europaea).

Distribution elsewhere: Widespread in continental Europe including Denmark, Finland, Norway, Sweden; (Spencer, 1976: 134), The Netherlands, Luxembourg (Bladmineerders van Europa), Belgium (de Bruyn and von Tschirnhaus, 1991; Scheirs, de Bruyn and von Tschirnhaus, 1999), Germany (Spencer, 1976: 550, as potentillae), Austria, Czech Republic, Estonia, French mainland, Hungary, Lithuania, Poland, Romania, Sardinia, Slovakia and Spanish mainland (Martinez in Fauna Europaea).

Also recorded in Japan, U.S.A. and Canada (Spencer, 1976: 134).

NBN Atlas links to known host species:

Agrimonia eupatoria, Agrimonia procera, Duchesnea indica, Filipendula ulmaria, Filipendula vulgaris, Fragaria x ananassa, Fragaria moschata, Fragaria vesca, Geum rivale, Geum urbanum, Potentilla anserina, Potentilla erecta, Potentilla neumanniana, Potentilla norvegica, Potentilla palustris (=Comarum palustre), Potentilla recta, Potentilla reptans, Potentilla tabernaemontani, Rubus idaeus, Rubus fruticosus, Rubus odoratus, Rubus parviflorus, Rubus saxatilis, Rubus spectabilis, Sanguisorba minor (= Poterium sanguisorba), Sanguisorba officinalis

British and Irish Parasitoids in Britain and elsewhere:

Chalcidoidea  
Pnigalio pectinicornis (Linnaeus, 1758) Eulophidae: Eulophinae
Pnigalio soemius (Walker, 1839) Eulophidae: Eulophinae
Stictomischus groschkei Delucchi, 1953 Pteromalidae: Miscogastrinae


External links: Search the internet:
Biodiversity Heritage Library
Bladmineerders van Europa, as A. idaeiana
British leafminers, as A. idaeiana
Encyclopedia of Life, as A. idaeiana
Fauna Europaea, as A. idaeiana
NBN Atlas, as A. idaeiana
NHM UK Checklist, as A. idaeiana
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