The leaf and stem mines of British flies and other insects
 

(Coleoptera, Diptera, Hymenoptera and Lepidoptera)

by Brian Pitkin, Willem Ellis, Colin Plant and Rob Edmunds

 

GLYCINE. Soya-bean. [Fabaceae]


Only one species of Glycine is recorded in Britain, the introduced Soya-bean (G. max).

Two British miners are recorded on Glycine.

Elsewhere the agromyzids Chromatomyia horticola, Liriomyza congesta, Liriomyza huidobrensis, Liriomyza sativae and Liriomyza trifolii are recorded mining Glycine. See also Liriomyza species in Glasshouses and/or Quarantine Interceptions.

A key to the European miners recorded on Glycine is provided in Bladmineerders van Europa.



Key for the identification of the known mines of British
insects (Diptera and non-Diptera) recorded on Glycine


1a > Leaf-miner: Corridor leaf-mine in leaves. An upper surface linear mine with frass in conspicuous greenish strips, largely alternating at each side of the channel (Spencer, 1976: 241).

Upper-surface, unbranched corridor, relatively broad from the start on, but only weakly widening subsequently. The fresh mine is bright green, but turns whitish, later brown, quickly. Frass in a wide green band in the centre of the corridor, with small black granules at either side. Pupation outside the mine.

Forms an upper surface mine, with the frass in a green strips .

Liriomyza congesta puparium
Liriomyza congesta puparium
Image: © Willem Ellis (Bladmineerders van Europa)

Polyphagous. On numerous genera of Fabaceae, but not yet on Glycine, in Britain. Widespread in Britain. Also recorded in the Republic of Ireland and widespread and common throughout most of Europe

Liriomyza congesta (Becker, 1903) [Diptera: Agromyzidae].

1b > Leaf-miner: The first generation initially forms an unmistakable leaf-mine on Anthyllis vulneraria, but the second generation feeds on the flowers. Feeding signs on other plants vary in appearance. Larvae can move between sewn leaves, and more than one larva may be found together . Larvae in a small full depth blotch, often with extensions. Frass concentrated in one corner of the mine. The mining activities may cause the leaf to roll inwards. Older larvae live free among spun leaves, but still they may make then full depth mines by feeding on the leaf tissue from a small opening.

Aproaerema anthyllidella larva,  dorsal
Aproaerema anthyllidella larva, dorsal
Image: © Steve Wullaert (Bladmineerders van Europa)

On Anthyllis, Medicago, Onobrychis, Ononis and Trifolium, but not yet Glycine, in Britain and Anthyllis, Chamaecytisus, Coronilla, Cysisus, Dorycnium, Galega, Glycine, Hymenocarpos, Lathyrus, Lotus, Medicago, Melilotus, Onobrychis, Ononis, Ornithopus, Oxytropis, Phaseolus, Psoralea, Trifolium, Trigonella and Vicia elsewhere. Britain including the Channel Is. and Northern Ireland. Also recorded in the Republic of Ireland. Widespread in continental Europe.

Aproaerema anthyllidella (Hübner, 1813) [Lepidoptera: Gelechiidae].



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