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 attack almost any host except conifers Williams and Watson, The body of the female aonidiellw initially yellow, pear-shaped, later brown-red, round, almost square, at maturity the prepygidial segments become somewhat sclerotized.

It caused problems for the first time on papaya duringand is now the most important pest on papaya in northern Queensland Elder et al. Uses and Management Uses and Management.

Prepygidial abdominal segments each with a row or cluster of dorsal submarginal macroducts on either side AOORB. In Iran, five generations per year were recorded, with the maximum population density in the fourth and fifth generations.

W and Tawfik, M. In Australia, for example, A. Aonidiella orientalis Newstead, Journal of the Australian Entomological Society, 34 3: Heavy infestations can result in the yellowing of foliage and defoliation, dieback of small twigs and premature fruit drop Rajagopal and Krishnamoorthy, Aonifiella a request for permission.

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

Don’t need the entire report? Aphytis melinus was also augmentatively released and rates of parasitism were increased, although this parasitoid had to be continually re-released. Female abdomen size Odonata mm. It has been recorded as a pest on papaya fruit in Malaysia Chua and Wood, and guava Psidium guajava in India Hayes, This is a scale insecta tiny insect which is most easily identified by the female, which attaches itself to a host plant, loses its legs, and remains stationary covered by a somewhat rounded scale-like shield of wax.

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Retrieved from ” https: 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, Natural enemies have been trialed in Queensland’s papaya groves.

Further details may be available for individual references in the Distribution Table Details section which can be selected by going to Generate Report. Aspidiotus orientalis Glover, Perivulvar pores present in 4 or 5 groups, ranging from 19 to 32 in number. Direct feeding damage on leaves and removal of plant sap reduces plant vigour.

Aonidiella orientalis

Diaspididae associated with temperate and subtropical fruit trees in Himachal Pradesh. Description and biological studies on Aspidiotiphagus citrinus Craw.

Aonidiella orientalis Scientific classification Kingdom: Encyclopedia of Life EOL. 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. Florida Department of Agriculture and Consumer Services, 32, pp.

The oriental yellow scale has many natural enemies which usually reduce its populations to below orientalus economic injury levels. User Group specific search options Title. Severe impacts can occur in places where the insect is newly introduced. Aonidiella orientalis Newstead, Alon Hanotea51 5 Views Read Edit View history.

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Damaging infestations on neem in West Africa are associated with water stress Boa, It is possible for inexperienced identifiers to confuse Aonidiella orientalis with some members of the genus Orientaljs e. AcaciaAegleAgave sisalana, AlbiziaOrientails spp. Cosmetic damage may also occasionally occur to fruits. This species is highly polyphagous: Alon Hanotea, 51 5: Aspidiotus taprobanus Green, A guide to the identification of diseases and pests of neem Azadirachta indica.

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Australian Journal of Entomology, 37 1: Prevention and Control Top of page Cultural Control The pruning of lower stalks and water management aonidiela be useful in controlling A. Rajagopal and Krishnamoorthy indicated the potential of the parasite Comperiella bifasciata and the predator Chilocorus nigrita as biological control agents.

Aonidiella orientalis (Newstead, 1894)

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, Microscopic examination of slide-mounted adult females is required for authoritative identification to species. Chemical Control The usual chemical treatment is mineral oil sprays Khalaf and Sokhansanj,although these are not routinely recommended aonidiwlla they interfere with the natural biological control of pest insects in orchards and plantations.

Adult female insect with prosoma pyriform, expanding to subcircular and becoming moderately sclerotized around margins at maturity. In India, three generations a year were recorded Glover, aoniidella The adult female is less strongly reniform than typical for its genus, with less developed prosomatic lobes McKenzie, Thoracic tubercles aondiella minute.