Research ArticleOpen accessEvery word in the titleEffect of Essential Oil from Citronella and Alfazema on Fennel Aphids Hyadaphis foeniculi Passerini (Hemiptera: Aphididae) and its Predator Cycloneda sanguinea L. (Coleoptera: Coccinelidae)Charles I. Abramson, Paulo A. Wanderley, Maria J.A. Wanderley et al.American Journal of Environmental Sciences, Vol. 3, Issue 1 · 31 Mar 2007 · 7,392 accessesView PDFCite