| 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 |
| ultrastructure of egg shell of four different coccoidea species in egypt. | the present study was initiated to perform a comparative measurements of egg dimension and structure of four different species pertaining to three families of the super family: coccoidea. these species were: mycetaspis personata (comstock) (diaspididae), ceroplastes floridensis (comstock) (coccidae), pulvinaria psidii (maskell) (coccidae), and icerya seychellarum seychellarum (westw.) (margarodidae). the studied species differed in their means of egg laying and chorion structure, which may expla ... | 2008 | 19226792 |