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Dispersal of the parthenium beetle Zygogramma bicolorata (Chrysomelidae) in India

1994; Taylor & Francis; Volume: 4; Issue: 3 Linguagem: Inglês

10.1080/09583159409355345

1360-0478

K. P. Jayanth, P. N. Ganga Visalakshy,

Chemical synthesis and alkaloids

Zygogramma bicolorata Pallister (Coleoptera: Chrysomelidae) of Mexican origin, released in Bangalore in 1984, was observed defoliating Parthenium hysterophorus L. (Asteraceae) in 1988, and had dispersed over 50 000 km2 by 1992. The insect appears to have potential in reducing weed density in those parts of India having moderate weather conditions.