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GALIUM. Bedstraws, Cleavers and Woodruff. [Rubiaceae]

Twenty-two species of Galium are recorded in Britain, These include the native Cleavers (G. aparine), Hedge Bedstraw (G. mollugo), Woodruff (G. odoratum) and Marsh-bedstraw (G. palustre). Four dipterous miners, the agromyzids Aulagromyza buhri, Aulagromyza orphana, Galiomyza morio, and Ophiomyia galii, are recorded mining Galium in Britain. The agromyzids Aulagromyza anteposita and Aulagromyza trivittata, and are recorded as an internal stem-borers on Galium in Britain. Elsewhere the agromyzids Aulagromyza buhri, Aulagromyza lucens, Aulagromyza orphana, Galiomyza morio and Ophiomyia galii are recorded mining Galium. Elsewhere the agromyzids Gymnophytomyza heteroneura is recorded feeding in the seeds of Galium. No non-dipterous miners are recorded on Galium in Britain.

Corn cleavers - Galium tricornatum.

Key for the identification of the known Diptera mines in Britain.

1> Leaf mine. A narrow linear mine which may largely fill small leaves and produce a secondary blotch. Puparium orange Mines of Galiomyza morio on Galium odoratum. Image: Willem Ellis (Source: Nederlandse bladmineerders) Galiomyza morio (Brischke) [Agromyzidae]. -> Stem-mine. A narrow, whitish external stem mine. Pupation external Aulagromyza buhri (de Meijere) [Agromyzidae] -> Stem-mine. An external stem mine. Pupation external Aulagromyza orphana (Hendel) [Agromyzidae] -> Stem-mine. An inconspicuous external stem mine, frass in widely-spaced grains. Pupation in the mine Ophiomyia galii Hering [Agromyzidae]

Last updated 10-Sep-2008  Brian Pitkin

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