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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Galiomyza morio (Brischke, 1880)
[Diptera: Agromyzidae]


Agromyza morio Brischke, 1880. Schr. naturf. Ges. Danzig 5: 258.
Liriomyza morio (Brischke, 1880); Spencer, 1972b. Handbk ident. Br. Ins. 10(5g): 50.
Liriomyza morio (Brischke, 1880); Spencer, 1976. Fauna entomologica scandinaviaca 5(1): 256-8, figs 454-5.
Galiomyza morio (Brischke, 1880); Spencer, 1990. Host specialization in the World Agromyzidae (Diptera) : 77, 234 (fig. 884) 235, 236.


Leaf-mine: A narrow linear mine which may largely fill small leaves and produce a secondary blotch (Spencer, 1976: 257). The mine is illustrated in British leafminers and Nederlandse bladmineerders.

Mine of Galiomyza morio on Galium odoratum. Image: Willem Ellis (Source: Nederlandse bladmineerders)
Mine of Galiomyza morio on Galium odoratum. Image: Willem Ellis (Source: Nederlandse bladmineerders)
Mines of Galiomyza morio on Galium odoratum.
Image: Willem Ellis (Source: Nederlandse bladmineerders)

Larva: The larva is described by de Meijere (1925) and Dempewolf (2001: 145); posterior spiracles with 13-15 bulbs in a circle (Nederlandse bladmineerders)

Puparium: Orange; posterior spiracles each having an ellipse of 8-13 minute bulbs (Spencer, 1976: 257).

Hosts in Britain:

Rubiaceae      
Asperula     Pitkin, in Pitkin & Plant, 2005
Galium     Robbins, 1983: 24
Galium spp.   Spencer, 1972b: 119, as Asperula
Galium aparine Cleavers Robbins, 1991: 105
Galium odoratum Woodruff Mines in BMNH
Galium odoratum Woodruff Spencer, 1972b: 119, as Asperula
Galium saxatile Heath Bedstraw Pitkin, in Pitkin & Plant, 2005

Hosts elsewhere:

Rubiaceae      
Galium     Spencer, 1976: 257
Galium     Spencer, 1990: 235
Galium     Spencer, 1990: 235, as Asperula
Galium aparine Cleavers Nederlandse bladmineerders
Galium mollugo   Nederlandse bladmineerders
Galium odoratum Woodruff Nederlandse bladmineerders, as Asperula
Galium odoratum Woodruff Spencer, 1976: 257, as Asperula
Galium odoratum Woodruff Dempewolf, 2001: 145
Galium sylvaticum   Nederlandse bladmineerders
Galium sylvaticum   Spencer, 1976: 257
Rubia     Spencer, 1990: 235
Rubia tinctorum Madder Nederlandse bladmineerders
Sherardia     Spencer, 1990: 235
Sherardia arvensis Field Madder Nederlandse bladmineerders

Time of year - mines: September.

Time of year - adults: Unknown.

Distribution in Britain: Surrey (Great Humble), Bucks (Beaconsfield) (Spencer, 1972b: 50), Warwick (Exhall) (Robbins, 1991: 105), East Gloucester (Snowshill) (British leafminers), North Lincoln, South-west York and Stafford (NBN Gateway distribution map - NE).

Distribution elsewhere: Widespread in Europe including Denmark, Finland, Norway, Sweden (Spencer, 1976: 257), The Netherlands (Nederlandse bladmineerders), Germany (Spencer, 1976: 257; Dempewolf, 2001: 145), Corsica, Czech Republic, French mainland, Hungary, Poland and Romania (Martinez in Fauna Europaea).

Parasitoids:

Chrysocharis orbicularis (Nees, 1834) Hymenoptera: Eulophidae


External links: Search the internet:

British leafminers
NBN Gateway
Nederlandse bladmineerders
Fauna Europaea [128268]

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Last updated 16-Aug-2008  Brian Pitkin