AONIDIELLA ORIENTALIS PDF

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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 was first orentalis in papaya crops in Queensland inand it rapidly became the most serious pest in the local industry. The winged males are yellow, about 1 mm in length, with oval, grey shields aondiella the exuvium of the 1st instar is placed near one end.

In Australia, for example, A. It can attack almost any host except conifers, according to Williams and Watson In Nigeria, Niger and northern Cameroon, A. Occurrence Occurrence Occurrence Records. Comments Aonidiella orientalis is probably eastern Asian in origin. Knowledge Bank home Change location. Diaspididae associated with temperate and subtropical fruit trees in Himachal Pradesh.

Median lobes distinctly larger than second lobes, with fourth lobes represented by small points on either side.

More information about modern web browsers can be found at http: Continuing to use www. Search in all groups Search within this group. The control of the oriental red scale, Aonidiella orientalis Newstead and the California red scale, A.

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India Biodiversity Portal

Female hindwing size Odonata mm. The females subsequently remain immobile, with successive moults adding to orienfalis size of the scale. Adult females measure 1. It is possible for inexperienced identifiers to confuse Aonidiella orientalis with some members of the genus Chrysomphalus e. Diaspididae of the World 2.

In the Middle East of special importance to mangowhose infested fruits show much discoloration which reduces their commercial value. Host records include species of: One or more of the features that are needed to show you the maps functionality are not available in the web browser that you are using. Predators include Chilocorus bipustulatus L. 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, For further information, we recommend you visit the following resources: Furcaspis cocotiphaga MacGillivray, The greatest economic impact attributed to A.

Diaspididae of the World Aonidiella orientalis

The distribution map includes records based on specimens of A. Tail Length Birds cm. CIE, ; Schotman, 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, The dorsal macroducts are one-barred, slender, on each side of the pygidiumnone on the pre-pygidial segments.

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McKenzie,provided a key to separate the species of Aonidiella. Pesticides have been used, but are less popular now as attention turns to biological pest control.

Feeding often causes depressions, discoloration and distortion of leaves. Pygidium quite well sclerotized dorsally.

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The oriental yellow scale has many natural enemies which usually reduce its populations to below their economic injury levels. It is not known from Europe. Diaspididae Agricultural pest insects Insects aomidiella Asia.

Go to distribution map First report of the infestation of Azadirachta indica A. In most tropical and subtropical countries, in other regions in glasshouses.

Pesticides are usually not needed due to the controlling effect of natural enemies. The males have additional prepupal and pupal moults before attaining a winged adult stage. In this species, the female forms a flat, circular scale which is white, brown, or yellow in color.