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Phenological and ecological aspects of Protopulvinaria pyriformis (Cockerell) (Hemiptera: Coccidae) in Greece

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dc.creator Stathas, George J.
dc.creator Japoshvili, George
dc.creator Kontodimas, Dimitris C.
dc.creator Eliopoulos, Panagiotis A.
dc.date 2009-02-01T01:00:00Z
dc.date.accessioned 2021-12-03T11:14:18Z
dc.date.available 2021-12-03T11:14:18Z
dc.identifier 00ec6454-068d-4e6e-8b3f-903a1bdb8c04
dc.identifier 10.1007/s10340-008-0216-y
dc.identifier https://avesis.sdu.edu.tr/publication/details/00ec6454-068d-4e6e-8b3f-903a1bdb8c04/oai
dc.identifier.uri http://acikerisim.sdu.edu.tr/xmlui/handle/123456789/89635
dc.description The ecology of the coccid Protopulvinaria pyriformis infesting the laurel Laurus nobilis was studied from October 2003 to September 2005 in SW Greece. The coccid is parthenogenetic and oviparous, producing increased amounts of honeydew throughout the year. It settles mainly on the lower leaf surface. The scale over-winters as egg, 1st and 2nd instar nymph and adult and completes several overlapping generations every year. The life cycle was estimated to last in nature similar to 52 days during winter and 29-33 days during summer. Infestation density ranged between 0.3 and 2.8 live scales per cm 2 of leaf surface. Metaphycus helvolus was the only wasp found to parasitize P. pyriformis. Parasitism rate reached 31.2% during the second year of the study. The scale was able to resist parasitization by encapsulating the parasitoid's eggs. Maximum encapsulation rate was estimated up to 23% of the adult scales. Encapsulated eggs ranged from 1 to 5 eggs per adult scale. Predation rate reached 7% and it was attributed to the coccinellid Chilocorus bipustulatus. The above information could be important for planning a sustainable control strategy for this new pest in Greece.
dc.language eng
dc.rights info:eu-repo/semantics/closedAccess
dc.title Phenological and ecological aspects of Protopulvinaria pyriformis (Cockerell) (Hemiptera: Coccidae) in Greece
dc.type info:eu-repo/semantics/article


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