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Seasonal distribution and sex ratio of five noctuid species (Insecta, Lepidoptera) captured in blacklight traps on São Miguel - Azores
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Orientador(es)
Resumo(s)
The adult flight periods of Agrotis ipsilon (HÜFNAGEL), Agrotis segetum (DENNIS & SCHIFERMÜLLER), Noctua pronuba LINNAEUS, Peridroma saucia (HÜBNER) and Xestia c-nigrum (LINNAEUS) (Lepidoptera, Noctuidae) were studied between July of 1988 and December of 1989, at Ribeira Grande, Arribanas and Lagoa do Congro on the
island of São Miguel, using Pennsylvania blacklight traps. While there was evidence of
considerable fluctuations in density, A. ipsilon, A. segetum, P. saucia and X c-nigrum
were present continuously at the three locations. In contrast N. pronuba was only captured between July and September. For any given species both sexes were captured
simultaneously. In X c-nigrum males were more frequent than females while in the other
species females were more abundant. However, in no case does the sex-ratio deviates
entirely from 1:1.
Descrição
Palavras-chave
Agrotis ipsilon Agrotis segetum Noctua pronuba Peridroma saucia Xestia c-nigrum
Contexto Educativo
Citação
SILVA, M., J. TAVARES & V. VIEIRA, (1995). Seasonal distribution and sex ratio of five noctuid species (Insecta, Lepidoptera) captured in blacklight traps on São Miguel - Azores. "Boletim do Museu Municipal do Funchal", Supl. Nº. 4: 681-691.
Editora
Museu Municipal do Funchal (História Natural)