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CAMPANULA. Bellflowers and Harebells. [Campanulaceae]

Twenty species of Campanula are recorded in Britain. These include the native species Clustered Bellflower (C. glomerata), Giant Bellflower (C. latifolia), Spreading Bellflower (C. patula), Harebell (C. rotundifolia) and Nettle-leaved Bellflower (C. trachelium) and the introduced Canterbury-bells (C. medium), Cornish Bellflower (C. alliariifolia) and Creeping Bellflower (C. rapunculoides). Four dipterous miners, the agromyzids Amauromyza gyrans, Liriomyza strigata, Ophiomyia heringi and Phytomyza campanulae are recorded on Campanula. Two of these species, Ophiomyia heringi and Phytomyza campanulae, are also recorded on Phyteuma and one, Ophiomyia heringi, on Jasione. Chromatomyia horticola is also recorded on Jasione. A single key to the Diptera mines on Campanulaceae is provided. Elsewhere the agromyzids Amauromyza gyrans, Liriomyza strigata, Ophiomyia heringi, Phytomyza campanulae and Phytomyza rapunculi are recorded mining Campanula. No non-dipterous miners are recorded on Campanula in Britain.

Clustered Bellflower - Campanula glomerata.

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

1> Stem mine. An external stem mine with frass in two rows of disconnected strips. Pupation in stem at end of mine. Puparium black Ophiomyia heringi Stary [Agromyzidae]. ->Leaf mine. 2. 2> A distinctive mine primarily above mid-rib, with irregular short lateral offshoots into leaf blade. Pupation external.     Mines of Liriomyza strigata on Sonchus. Image: Crown copyright - courtesy of CSL Liriomyza strigata (Meigen) [Agromyzidae]. ->Mine not primarily above mid-rib. 3. 3> A shallow whitish linear-blotch mine, single larva in mine. Puparium yellowish-brown Mine of Amauromyza gyrans on Campanula rapunculus. Image: Willem Ellis (Source: Nederlandse bladmineerders) Amauromyza (Trilobomyza) gyrans (Fallén) [Agromyzidae]. ->An irregular whitish linear mine which can broaden at end and become blotch-like. Puparium black Phytomyza campanulae Hendel [Agromyzidae]. >Mine linear, whitish, both upper and lower surface. Pupation internal, at the end of the mine, Puparium whitsh, anterior spiracles projecting through the epidermis. Mine of Chromatomyia horticola on Papaver rhoeas. Image: Willem Ellis (Source: Nederlandse bladmineerders) Chromatomyia horticola (Goureau) [Agromyzidae].

Last updated 05-Aug-2008  Brian Pitkin

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