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COLUTEA. Bladder-sennas. [Fabaceae]

Two species of Colutea is recorded in Britain, Bladder-senna (C. arborescens) and Orange Bladder-senna (C. x media). Both are introduced. Two dipterous miners, the agromyzids Liriomyza congesta and Phytoliriomyza variegata, are recorded on Colutea in Britain, and one of these also occurs on Galega. Elsewhere the agromyzid Liriomyza congesta is recorded mining Colutea. No non-dipterous miners are recorded on Colutea in Britain.

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

1> An upper surface linear mine with frass in conspicuous greenish strips, largely alternating at each side of the channel. Puparium yellow Vicia sepium Lathyrus pratensis Mines of Liriomyza congesta. Images: Willem Ellis (Source: Nederlandse bladmineerders) Liriomyza congesta (Becker) [Agromyzidae]. -> A narrow linear mine adjoining the leaf margin in the first instar, which later develops into an irregular blotch with conspicuous lumps of greenish frass. Puparium reddish brown Mine of Phytoliriomyza variegata on Astragalus glycyphyllos. Image: Willem Ellis (Source: Nederlandse bladmineerders) Phytoliriomyza variegata (Meigen) [Agromyzidae].

Last updated 30-Jul-2008  Brian Pitkin

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