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TRIFOLIUM. Clovers and Hop Trefoil. [Fabaceae]

Seventy species of Trifolium are recorded in Britain. These include Hop Trefoil (T. campestre), Strawberry Clover (T. frageriferum), Alsike Clover (T. hybridum), Crimson Clover (T. incarnatum), Sulphur Clover (T. ochroleucon), Hungarian Clover (T. pannonicum), Red Clover (T. pratense) and White Clover (T. repens). Two dipterous miners, the agromyzids Agromyza nana and Liriomyza congesta, are recorded on Trifolium in Britain. See MEDICAGO. The agromyzids Liriomyza sativae and Liriomyza trifolii, polyphagous pest species of ornamental and vegetable crops occasionally intercepted at UK points of entry, are recorded on Trifolium. Liriomyza trifolii has been found under glass in England and Wales. All populations have been and continue to be eradicated. Elsewhere the agromyzids Agromyza frontella, Agromyza nana, Liriomyza bryoniae, Liriomyza congesta, Liriomyza strigata, Liriomyza trifolii and Phytomyza brischkei, the drosophilid Scaptomyza flava and the ephydrid Hydrellia griseola are recorded mining Trifolium. Five non-dipterous miners are recorded on Trifolium in Britain. (see below).

White clover - Trifolium repens

Unidentified mines on Trifolium spp. Mines on Trifolium dubium. Images: Brian Pitkin Mines on Trifolium pratense. Images: Brian Pitkin

Non-dipterous miners recorded on Trifolium in Britain Aproaerema anthyllidella (Hübner, 1813) Lepidoptera: Gelechiidae     Coleophora mayrella (Hübner, 1813) Lepidoptera: Coleophoridae   Parectopa ononidis (Zeller, 1839) Lepidoptera: Gracillariidae   Phyllonorycter insignitella (Zeller, 1846) Lepidoptera: Gracillariidae     Phyllonorycter nigrescentella (Logan, 1851) Lepidoptera: Gracillariidae

Last updated 21-Mar-2008  Brian Pitkin

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