AONIDIELLA ORIENTALIS PDF

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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Oriental scale (Aonidiella orientalis ) on mango (Mangifera indica ) –

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Go to distribution map Direct feeding damage on leaves and removal of plant sap reduces plant vigour. Feeding often causes depressions, discoloration and distortion of leaves. Heavy infestations can result in the yellowing of foliage and defoliation, dieback of small twigs and premature fruit drop Rajagopal and Krishnamoorthy, Cosmetic damage may also occasionally occur to fruits.

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Cultural Control The pruning of lower stalks and water management can be useful in controlling A.

In India, the cutting and burning of damaged shoots can keep A. Damaging infestations on neem in West Africa are associated with water stress Boa, Comperiella lemniscata was introduced from Hainan Island in China and from the Torres Strait in northern Queensland, and released during Aphytis melinus was also augmentatively released and rates of parasitism were increased, although this parasitoid had aonidlella be continually re-released.

Rajagopal and Krishnamoorthy indicated the potential of the parasite Comperiella bifasciata and the predator Chilocorus nigrita as biological control agents. Chemical Control Due to the variable regulations around de- registration of pesticides, we are for the moment not including any specific chemical oriejtalis recommendations.

Aonidiella orientalis (Newstead, 1894)

For further information, we recommend you visit the following resources: EU pesticides database www. It is considered to be a serious pest in certain areas of the world, notably on oriemtalis and arecanut in South India Rajagopal and Krishnamoorthy,and on coconut in Florida, USA Dekle and Merrill, The greatest economic impact attributed to A.

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In Australia, for example, A.

It caused problems for the first time in papaya duringorientalls is now the most important pest on papaya in northern Queensland Elder et al. It is an important pest of tamarind trees in India Rajagopal and Krishnamoorthy,and of species of Citrus especially Omani lime, sweet lime and grapefruit in Iran Farid, and Asia Rosen, In Nigeria, Niger and northern Cameroon, A.