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BLACKSTONIA. Yellow-wort. [Gentianaceae]
Yellow-wort (B. perfoliata) is the only species of Blackstonia recorded in Britain. Only one dipterous miner, the agromyzid Chromatomyia blackstoniae, is recorded on Blackstonia in Britain. Elsewhere the agromyzids Chromatomyia blackstoniae and Chromatomyia gentianae is recorded mining Blackstonia. One non-dipterous leaf-miner is recorded on Blackstonia in Britain (see below).	Yellow-wort - Blackstonia perfoliata

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

1> Larvae feeding in stem-leaves. particularly those immediately below the flower; mine initially linear, later developing into irregular blotch. Pupation internal. Puparium whitish Mine of Chromatomyia blackstoniae on Blackstoni perfoliata. Image: Brian Pitkin Chromatomyia blackstoniae Spencer [Agromyzidae].

Non-dipterous miners recorded on Blackstonia in Britain Stenoptilia zophodactylus (Duponchel, 1840) Lepidoptera: Coleophoridae

Last updated 19-Aug-2008  Brian Pitkin

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