Morphological Identification of Aphid Species Infesting Some Ornamental plants in Taif Governorate | ||||
| Egyptian Academic Journal of Biological Sciences. A, Entomology | ||||
| Article 2, Volume 9, Issue 4, December 2016, Page 15-35 PDF (1.62 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/eajbsa.2016.12744 | ||||
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| Authors | ||||
| Rania S. Rashwan1; Akram S. Alghamdi2; Seham S. Althagafi2 | ||||
| 1Plant protection Department, Faculty of Agriculture, Ain Shams University, Egypt | ||||
| 2Biological science Department, Faculty of Science, Taif University, Saudi Arabia | ||||
| Abstract | ||||
| Aphid species were surveyed and identified from 18 ornamental plant in different localities in Taif governorate, KSA through 2015/2016 seasons. Eleven aphid species were recorded only on 14 ornamental host plants. Rhodobium porosum, Brachyunguis tamarics and Acyrthosiphon pisum were recorded on Rosa damascene var trigintipetala. There were two aphid species were recorded on Tecoma stans; Brachyunguis tamarics and Aphis compositae. Aphis compositae was more abundant. One aphid species was collected and identified on Rosa damascena, this species was known as Rhodobium porosum. For Jasminum grandiflorum, Cestrum sp. and Tegetes marigold, only one aphid species was recorded; namely Myzus persica, this aphid species was observed with very high density on Cestrum sp., followed by Jasminum grandiflorum but the lowest abundant was recorded on Tegetes marigold. Brachyunguis tamarics also was the only recorded species on Hibiscus rosa-sinensis., it was observed in weak density. The four ornamental plants; Bougainvillea sp., Nerium oleander, schefflera actinophyll and Ruta graveolens, recorded no aphid infestation through the two tested seasons 2015 and 2016. Four aphid species were identified on Ocimum basilicum during the season; these species were Rhopalosiphum maidis, Aphis copmpositae, Macrosiphum avenae and Rhodobium porosum, the lowest observed abundant species was Rhodobium porosum. On Plectranthus amboinicus, there was only one recorded aphid species, it was identified as Macrosiphum avenae, and was recorded in high density. Brachynguis tamaricis was the only species recorded on Petunia sp. and Caesalpinia pulcherrima, was demonstrated with high density on petunia sp. On Rosa damascene var semperflorens, there were four recorded species namely as; Macrosiphum rosae, Macrosiphumavenae, | ||||
| Keywords | ||||
| Aphid species; Survey; Ornamental plants | ||||
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