oa Journal of the Entomological Society of Southern Africa - Candidates for the biological control of Solanum elaeagnifolium Cav. (Solanaceae) in South Africa. 1. Laboratory studies on the biology of Gratiana lutescens (Boh.) and Gratiana pallidula (Boh.) (Coleoptera: Cassididae)
Solanum elaeagnifolium Cav. has become a troublesome weed of pasture and cultivated land in South Africa, where attempts at chemical control have been unsuccessful. The life-cycle and host specificity of the Argentine beetle Gratiana lutescens (Boh.), reported to be a voracious defoliator of the weed, were studied under quarantine conditions at Stellenbosch.
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