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SUCCISA. Devil's-bit Scabious. [Dipsacaceae]

Devil's-bit Scabious (S. pratensis) is the only species of Succisa recorded in Britain. It is a native species. Six dipterous miners, the agromyzids Agromyza dipsaci, Aulagromyza similis, Chromatomyia ramosa, Chromatomyia scabiosae, Chromatomyia succisae and Phytomyza nigritella are recorded on Dipsacaceae in Britain. Two of these, Agromyza dipsaci and Chromatomyia ramosa, are recorded on Dipsacus, three of these, Aulagromyza similis, Chromatomyia ramosa and Chromatomyia succisae, are recorded on Succisa and Knautia, and one of these, Chromatomyia scabiosae, is recorded on Scabiosa. A single key to the mines on Dipsacaceae is provided. A single key to the mines on Dipsacaceae is provided. Elsewhere the agromyzids Aulagromyza similis, Chromatomyia ramosa, Chromatomyia succisae, Liriomyza sativae and Liriomyza strigata are recorded mining Succisa. One non-dipterous miner is recorded on Succisa in Britain (see below).

Devil's-bit Scabious - Succisa pratensis

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

#>Details unknown. Phytomyza nigritellaZetterstedt [Agromyzidae] 1> Larvae feeding primarily along mid-rib, forming short lateral mines into the leaf blade. Pupation within the mid-rib. Puparium white. Mine of Chromatomyia ramosa on Dipsacus pilosus. Image: Willem Ellis (Source: Nederlands bladmineerders Chromatomyia ramosa (Hendel) [Agromyzidae]. ->Larva feeding mainly in leaf-blade. 2. 2>A funnel-shaped blotch mine at margin of leaf. Mines of Agromyza dipsaci on Dipsacus fullonum. Images: Brian Pitkin Agromyza dipsaci Hendel [Agromyzidae]. ->Mine linear and winding in upper surface. Pupation in the mine. Puparium white, grey or shining black Chromatomyia scabiosae (Hendel) [Agromyzidae]. ->A narrow winding linear mine generally near the apex of the leaf which assumes a striking purplish colour, making the mine itself difficult to detect. Mines have also been found in the sepals. Pupation takes place in a pupal cradle on the lower surface. Puparium white Chromatomyia succisae (Hering) [Agromyzidae]. ->A long, whitish linear-blotch mine, frequently associated with the mid-rib. Puparium reddish Aulagromyza similis (Brischke) [Agromyzidae].

Non-dipterous miners recorded on Succisa in Britain Trachys troglodytes Gyllenhal, 1817 Coleoptera: Buprestidae

Last updated 29-Jul-2008  Brian Pitkin

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