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Please use this identifier to cite or link to this item: http://hdl.handle.net/10400.5/541

Title: Formigas (Hymenoptera, Formicidae) associadas a pomares de citrinos na região do Algarve
Authors: Zina, Vera Mónica Henriques Leitão Franco
Advisor: Silva, José Carlos Santos
Keywords: Formicidae
ants
trophic interactions
interacções tróficas
formigas
citrinos
pests
pragas
citrus
factor de nocividade
Portugal
Issue Date: 2008
Abstract: Ants (Hymenoptera, Formicidae) may play an important economic role in citrus orchards, either by causing damage in trees or induce pest’s outbreaks, due to interactions with injurious honeydew-producing insects, or even by being potential predators of other arthropods. In order to deepen knowledge about the ant species associated to citrus orchards, in the southern region of Portugal, Algarve, samples were collected in 49 citrus orchards, along the subregions of Litoral, Barrocal and Serra, between July and August 2007. In all, 2812 ants were identified comprising 12 different genera and 26 species. The most common species were Linepithema humile (Mayr), Plagiolepis pygmaea Latreille and Pheidole pallidula (Nylander). Nineteen species are reported for the first time in citrus, in Portugal, and ten are first records, in citrus, in the world. The higher number of species was found in the Serra subregion, with 19 species. Regarding economic importance, special attention must be paid to the phytophagous ants of Tapinoma genus, that can originate direct damage, and the argentine ant, L. humile, which interferes with the activity of natural enemies, disrupting biological control of pests.
Description: Mestrado em Engenharia Agronómica - Instituto Superior de Agronomia
URI: http://hdl.handle.net/10400.5/541
Appears in Collections:BISA - Dissertações de Mestrado / Master Thesis

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Tese Final Mestrado - Vera Zina.pdfTese3.09 MBAdobe PDFView/Open
ANEXOS Vera Zina.pdfAnexos438.51 kBAdobe PDFView/Open
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