The leaf and stem  mines of British flies and other insects by Brian Pitkin, Willem Ellis, Colin Plant and Rob Edmunds


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Cerodontha (Poemyza) incisa (Meigen, 1830)
[Diptera: Agromyzidae]


Agromyza incisa Meigen, 1830. Syst. Beschr. 6: 182
Cerodontha (Poemyza) incisa (Meigen, 1830); Spencer, 1990. Host specialization in the World Agromyzidae (Diptera): 354, 355, 356, 357, 367, 368 (fig. 1379), 369
Cerodontha incisa (Meigen, 1830); Ellis. Nederlandse bladmineerders


Leaf-mine: Broad elongated mine; the form is dependent of the leaf form of the host plant. Frass green. Usually a number of larvae together in a mine. Pupation in the mine (Nederlandse bladmineerders).

Larva: The larva is described by Nowakowski (1973), Dempewolf (2001: 117) and Ellis (Nederlandse bladmineerders).

Puparium: Shining, metallic blue-black, deeply segmented, loosely attached by silk; posterior spiracles on conspicuous projections, each with 3 rounded bulbs (Nederlandse bladmineerders). Nowakowski (1973) and Dempewolf (2001) give details of the puparium.

Hosts in Britain:

Poaceae      
Bromopsis ramosus Hairy-brome Pitkin, in Pitkin & Plant, 2005
Bromopsis ramosus Hairy-brome Robbins, 1991:136
Dactylis     Robbins, 1991: 136
Elymus     Pitkin, in Pitkin & Plant, 2005
Elymus repens Common couch Robbins, 1991: 136
Phalaris arundinacea Reed Canary-grass Spencer, 1972b: 104

Hosts elsewhere:

Poaceae      
Agropyron     Spencer, 1990: 356
Agropyron     Spencer, 1976: 196
Agrostis     Spencer, 1990: 354
Agrostis stolonifera Creeping Bent Nederlandse bladmineerders
Agrostis capillaris Common Bent Nederlandse bladmineerders
Alopecurus     Spencer, 1990: 354
Alopecurus pratensis Meadow Foxtail Nederlandse bladmineerders
Ammophila     Spencer, 1990: 354
Anthoxanthum     Spencer, 1990: 354
Anthoxanthum odoratum Sweet Vernal-grass Nederlandse bladmineerders
Avena     Spencer, 1990: 354
Avena sativa Oat Nederlandse bladmineerders
Briza     Spencer, 1990: 355
Briza media Quaking-grass Nederlandse bladmineerders
Bromus     Spencer, 1990: 355
Bromus arvensis Field Brome Spencer, 1972b: 104
Bromus arvensis Field Brome Nederlandse bladmineerders
Bromus erectus Nederlandse bladmineerders
Bromus hordeaceus Divergent Soft-brome Nederlandse bladmineerders
Bromus inermis   Nederlandse bladmineerders
Bromopsis ramosus Hairy-brome Nederlandse bladmineerders
Bromus tectorum   Nederlandse bladmineerders
Calamagrostis     Spencer, 1990: 354
Calamagrostis     Spencer, 1976: 196
Calamagrostis arundinacea   Nederlandse bladmineerders
Calamagrostis canescens Purple Small-reed Nederlandse bladmineerders
Calamagrostis epigejos Wood Small-reed Nederlandse bladmineerders
Calamagrostis epigejos Wood Small-reed Spencer, 1972b: 104
Calammophila baltica Purple Marram Nederlandse bladmineerders
Dactylis     Spencer, 1990: 355
Dactylis glomerata Cock's-foot Nederlandse bladmineerders
Digitaria     Nederlandse bladmineerders
Echinochloa crus-galli Cockspur Nederlandse bladmineerders
Elymus repens Common couch Spencer, 1990: 356
Elymus     Nederlandse bladmineerders
Festuca     Spencer, 1990: 355
Festuca     Spencer, 1976: 196
Festuca arundinacea Tall Fescue Nederlandse bladmineerders
Festuca gigantea Giant Fescue Nederlandse bladmineerders
Festuca pratensis Meadow Fescue Nederlandse bladmineerders
Holcus lanatus Yorkshire-fog Spencer, 1990: 354
Holcus mollis Creeping Soft-grass Nederlandse bladmineerders
Hordeum     Spencer, 1990: 356
Hordeum vulgare Six-rowed Barley Nederlandse bladmineerders
Leymus arenarius Lime-grass Nederlandse bladmineerders
Lolium     Spencer, 1990: 355
Lolium multiflorum Italian Rye-grass Nederlandse bladmineerders
Lolium perenne Perennial Rye-grass Nederlandse bladmineerders
Lolium perenne Perennial Rye-grass Spencer, 1972b: 104
Milium     Spencer, 1990: 356
Molinia caerulea Purple Moor-grass Nederlandse bladmineerders
Phalaris     Spencer, 1990: 355
Phalaris     Spencer, 1976: 196
Phalaris arundinacea Reed Canary-grass Dempewolf, 2001: 117
Phalaris arundinacea Reed Canary-grass Nederlandse bladmineerders
Phleum pratense Timothy Nederlandse bladmineerders
Phragmites     Spencer, 1990: 356
Phragmites australis Common Reed Spencer, 1972b: 104
Phragmites australis Common Reed Nederlandse bladmineerders
Poa     Spencer, 1990: 355
Poa trivialis Rough Meadow-grass Nederlandse bladmineerders
Secale     Spencer, 1990: 356
Secale cereale Rye Nederlandse bladmineerders
Setaria     Nederlandse bladmineerders
Trisetum     Spencer, 1990: 355
Triticum     Spencer, 1990: 356
Triticum aestivum Bread Wheat Nederlandse bladmineerders

Time of year - mines: Unknown.

Time of year - adults: Unknown.

Distribution in Britain: Widespread in Britain including London (Hampstead), Middlesex (Scratch Wood), Oxford (Oxford), Suffolk (Chillesford), Dunbarton (Bonhill) (Spencer, 1972b: 104), Warwick (Coventry, Holbrooks) (Robbins, 1991: 136) and Kirkudbright (NBN Gateway distribution map - SNH).

Also recorded in the Republic of Ireland: Co. Clare (Burren) (Spencer, 1972b: 104).

Distribution elsewhere: Holarctic. Common in Europe (Spencer, 1990: 367) including Denmark, Finland, Norway, Sweden (Spencer, 1976: 196), The Netherlands, Luxembourg (Nederlandse bladmineerders), Belgium (Scheirs & de Bruyn, 1992), Germany (Spencer, 1976: 554), Austria, Corsica, Czech Republic, Estonia, Hungary, Iceland, Italian mainland, Latvia, Lithuania, Poland, Romania, Slovakia, Spanish mainland and Yugoslavia (Martinez in Fauna Europaea).

Also recorded in Japan (as okazakii) (Spencer, 1990: 367), U.S.A. and Canada (Spencer, 1969a: 128; Dempewolf, 2001: 117).

Parasitoids:

Chrysocharis polyzo (Walker, 1839) Hymenoptera: Eulophidae
Chrysocharis viridis (Nees, 1934) Hymenoptera: Eulophidae
Pediobius metallicus (Nees, 1834) Hymenoptera: Eulophidae
Pnigalio soemius (Walker, 1839) Hymenoptera: Eulophidae
Merismus megapterus Walker, 1833 Hymenoptera: Pteromalidae


External links: Search the internet:

British leafminers
Fauna Europaea [128511]
NBN Gateway
Nederlandse bladmineerders

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Last updated 30-Sep-2008  Brian Pitkin