| survey of scale insects of ornamental plants in alexandria governorate, egypt. | this investigation covers a survey of the scale insects associating with some ornamental plants at three chosen public gardens as well as at the experimental farm of the agricultural research station in alexandria governorate, egypt. a total of nineteen scale insect species belonging to sixteen genera related to four families of the super-family coccoidea were found infesting eighteen ornamental plants during the period from april, 1998 up to march, 1999. these species are: family: asterolecanii ... | 2001 | 12425080 |