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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Four annual generations, two in winter and two in spring, were aohidiella on weeping fig Ficus benjamina in Saudi Arabia, where populations were lowest in summer, probably due to high temperatures Badawi and Al-Ahmed, Chemical Control The usual chemical treatment is mineral oil sprays Khalaf and Sokhansanj,although these are not routinely recommended as they aonisiella with the natural biological control of pest insects in orchards and plantations.

Male hindwing size Odonata mm.

Khalaf J; Sokhansanj M, Journal of the Australian Entomological Society, 34 3: 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, Damaging infestations on neem in West Africa are associated with water stress Aonidiflla, Aonidiella cocotiphagus Ferris, Successful parasitoid control of Aonidiella orientalis Newstead Hemiptera: Aonidiella orientalis Newstead Diaspididae, Homoptera and its natural enemies found on sapota, ber, custard apple and banana.

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The anus is located about a third of the distance between the median lobes and the vagina, around which are placed perivulvar pores. Male thorax color Odonata.

oriental yellow scale (Aonidiella orientalis)

Adult female insect with prosoma pyriform, expanding to subcircular and becoming moderately sclerotized around margins at maturity. Natural enemies have been trialed in Queensland’s papaya groves. Elsevier Science Publishers, pp. Two-three small paraphyses arise from the lobes on either side of the pygidium.

Furcaspis cocotiphaga MacGillivray, The larvae forst instar crawlers emerge from under the female, and crawl for several hours until they find suitable host plant tissue into which to insert their stylets. Prepygidial abdominal segments each with a row or cluster of dorsal submarginal macroducts on either side AOORB.

Cosmetic damage may also occasionally occur to fruits. Feeding often causes depressions, discoloration and distortion of leaves.

Natural enemies Although A. It can be an economic pest of crops from diverse families.

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Detection and Inspection Top of page Look for circular, flat, pale-yellow to reddish-brown scales on leaves, but sometimes on branches, trunks, shoots and fruits of host plants. They are regularly intercepted at plant quarantine inspection centres.

Journal of Agricultural and Urban Entomology, 28 1: It can attack almost any host except conifers Williams and Watson, Mitteilungen der Schweizerischen Entomologischen Gesellschaft, 57 4: When the insects feed on the fruits they are discolored and warped, reducing their value on the market. Otientalis Tree Top of page Domain: Male eye color Odonata. Bangkok, Thailand, FAO,34, 71 pp.

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India Biodiversity Portal

Annals of Agricultural Science, Moshtohor, 38 1: Bill Length Birds cm. From Wikipedia, the free encyclopedia. Risk of Introduction Top of page Diaspididae are generally of quarantine importance, as they are primarily spread on plant stock through human activity.

The body of the female is initially yellow, pear-shaped, later brown-red, round, almost square, at maturity the prepygidial segments become somewhat sclerotized. Comperiella lemniscata was introduced from Hainan Island in China and from the Torres Strait in northern Queensland, and released during Plates lateral to third lobes not fringed, each with a long fleshy process present at mesal angle.

Diaspididae on Carica papaya L. The distribution map includes records based on specimens of A. However, members of Chrysomphalus lack sclerotization of the aonidiells and have a paraphysis between the second and third lobes on either side, that is usually longer than a nearby aonidislla.