Abstract
Because of the interest in the U.S.A. inGaleruca rufaGermar as a biological control agent for field bindweed,Convolvulus arvensis L., its ability to damage this plant was studied in field cages in Rome, Italy.G. rufa was shown to severely defoliate established field bindweed plants and to lower flower production. SubstantialG. rufa defoliation of field bindweed seedlings killed most of them.G. rufa has 2 complete and 1 partial generation per year and is well synchronized with its host plant.
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