Megamelus scutellaris Berg (Hemiptera: Delphacidae) is the most recent of nine biological control ag
Watson, A. K. (Supervisor) In a survey conducted in Zimbabwe in 1993, waterhyacinth was present in s
Hypertension is a major contributor to global morbidity and mortality. In South Africa, the governme
Background: Biological control of invasive alien plants (IAPs) using introduced natural enemies cont