https://commons.ru.ac.za/vital/access/manager/Index en-us 5 Colour vision of the citrus psylla Trioza erytreae (Del Guercio) (Homoptera: Psyllidae) in relation to alightment colour preferences https://commons.ru.ac.za/vital/access/manager/Repository/vital:5885 Thu 13 May 2021 09:25:44 SAST ]]> The population dynamics of an indigenous Psyllid Acizzia Russellae (Homoptera: Psyllidae )with special reference to the influence of the host plant Acacia Karroo https://commons.ru.ac.za/vital/access/manager/Repository/vital:5894 Thu 13 May 2021 04:03:15 SAST ]]>