Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.3/821
Título: Fitness of five phenotypes of Harmonia axyridis PALLAS (Coleoptera: Coccinelidae).
Autor: Serpa, Luís
Shanderl, Henrique
Brito, Carlos P.
Soares, António O.
Palavras-chave: Harmonia axyridis PALLAS
Data: 2003
Editora: Universidade dos Açores
Citação: SERPA, L., H. SCHANDERL, C. BRITO & A. O. SOARES, (2003). Fitness of five phenotypes of Harmonia axyridis Pallas (Coleoptera: Coccinellidae). “Arquipélago. Life and Marine Sciences”, Supl. 5: 43-49.
Relatório da Série N.º: Arquipélago. Life and Marine Sciences;Supl. 5
Resumo: H. axyridis is a highly polymorphic ladybird beetle with phenotypes that vary in their elytral patterns. In natural populations the relative frequency of phenotypes is not constant, but is subject to a strong geographic and temporal variation. The selective forces that are the basis for those variation are diverse and difficult to determine. In this work we suggest that fitness of phenotypes could contribute to these variations. That is, a specific genotype could also confer a specific reproductive capacity. We compare the reprodutive capacity of adults of five phenotypes [succinea (h) or s0, succinea-3 (h3) or s9, conspicua -1 (hC1) or c1, aulica-1 (hA1) or au and nigra [? (h?)] or ni]. Our results show that under the same biotic and abiotic conditions, there are differences in biological parameters of the phenotypes that affect their fitness. The rare phenotype nigra, and the relatively uncommon aulica have lower reproductive capacity than the most frequent phenotypes succinea and conspicua.
Descrição: Proceedings of the 8th International Symposium on Ecology of Aphidophaga: Biology, Ecology and Behaviour of Aphidophagous Insects.
URI: http://hdl.handle.net/10400.3/821
Aparece nas colecções:DBIO - Artigos em Revistas Nacionais / Articles in National Journals

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