Byrne, M. J.; Du Plessis, Hester Maria; Van den Berg, Johann
(Entomological Society of Southern Africa, 2011)
The false chinch bug, Nysius natalensis Evans (Hemiptera: Orsillidae), is a pest of sunflower, Helianthus annuus L. (Asteraceae), in South Africa. Pest outbreaks usually occur in localized areas towards the end of the ...