Subjects affecting giant salvinia (Salvinia molesta)
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Image Subject Name Scientific Name Description
1929044 salvinia weevil Cyrtobagous salviniae
1317056 salvinia weevil Cyrtobagous salviniae Technician Eileen Porkorny (left) and Student Conservation Association member Laurie Bauer collect giant salvinia used for rearing the weevil Cyrtobagous Salviniae.
1929042 salvinia weevil Cyrtobagous salviniae Werombi creek in temperate Australia, near Sydney, before the use of biological control
1929043 salvinia weevil Cyrtobagous salviniae Werombi creek in temperate Australia, near Sydney, three years after the weevil was released
1355042 salvinia weevil Cyrtobagous salviniae Giant salvinia damaged by Cyrtobagous salviniae, a weevil whose larvae are extremely effective biocontrol agents against this water weed.
1355043 salvinia weevil Cyrtobagous salviniae Close-up of a Cyrtobagous salviniae weevil larva. These 1/10th-inch long insects feed voraciously on buds and rhizomes of giant salvinia.
1929040 salvinia weevil Cyrtobagous salviniae Lake Moondarra, Australia covered before the use of biological control
1929041 salvinia weevil Cyrtobagous salviniae Over 90% of salvinia on Lake Moondarra was destroyed within 14 months by the salvinia weevil

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