AONIDIELLA ORIENTALIS PDF

Direct feeding damage on leaves and removal of plant sap reduces plant vigour. Feeding often causes depressions, discoloration and distortion of leaves. Journal of the Bombay Natural History Society; Badawi, A. & Al-Ahmed, A.M. ( ) The population dynamics of the oriental scale insect, {Aonidiella orientalis} . Scale insects were observed in neem trees (Azadirachta indica A. Juss) planted in Shambatarea near the bank of the Nile in Khartoum State.

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It can be an economic pest of crops from diverse families. Infestations can kill plants, even established trees. This is unusual for a member of the genus Aonidiella.

Send a request for permission. Females have two moults before attaining maturity.

The body of the female is initially yellow, pear-shaped, later brown-red, round, almost square, at maturity the prepygidial segments become somewhat sclerotized. It is considered to be a serious pest in certain areas of the world, notably on coconut and arecanut in South India Rajagopal and Krishnamoorthy,and on coconut in Florida, USA Dekle and Merrill, Rajagopal and Krishnamoorthy indicated the potential of the parasite Comperiella bifasciata and the predator Chilocorus nigrita as biological control agents.

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Aonidiella orientalis

Four annual generations, two in winter and two in spring, were observed on weeping fig Ficus benjamina in Saudi Arabia, where populations were lowest in summer, probably due to high temperatures Badawi and Al-Ahmed, When the insects feed on the fruits they are discolored and warped, reducing their value on the aoniddiella. Encyclopedia of Life EOL.

Present status of arthropod fauna in mango orchards in Israel. Aonidiella orientalis Newstead Diaspididae, Homoptera and its natural enemies found on sapota, ber, custard apple and banana.

Comperiella bifasciata and C. Polyphagous, not on conifers. It also has conspicuous submarginal groups of macroducts on either side of the free abdominal segments. Perivulvar pores present in 4 or 5 groups, ranging from 19 to 32 in number.

Removal of infested twigs, branches, and shoots. Search in all groups Search within this group. It has been found on most every kind of plant except conifers. Plant pests of quarantine importance to the Caribbean. Chrysomphalus orientalis Lindinger, Females reach adulthood and yield the next generation of larvae at about 44 days. Distribution Maps Top of page You can pan and zoom the map.

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The species was reported to be a relatively new introduction to the South Pacific region by Williams and Watson,and therefore to be of potential phytosanitary risk. Williams and Watson, Mitteilungen der Schweizerischen Entomologischen Gesellschaft, 57 4: Or, Login with your user account:. Related observations Show all. EU pesticides database www.

Aonidiella orientalis (oriental yellow scale)

Female eye color Odonata. A serious pest of many crops, including bananacitruspapaya and others. It caused problems for the first time on papaya duringand is now the most important pest on papaya in northern Queensland Elder et al. The oriental yellow scale has many natural enemies which usually reduce its populations to below their economic injury levels. Williams and Watson,provide keys and illustrations.

The insect damages the plant by sucking sap, weakening it. Prevulvar scleroses and apophyses absent.