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Provedor de dados:  Repositório Alice
País:  Brazil
Título:  Vibratory signals of four neotropical stink bug species.
Autores:  MORAES, M. C. B.
LAUMANN, R. A.
COKL, A.
BORGES, M.
Data:  2005-05-30
Ano:  2005
Palavras-chave:  Acrosternum impicticorne
Euschistus Heros
Glycine Max
Piezodorus Guildinii
Praga de Planta
Thyanta Perditor
Soja
Pentatomidae
Resumo:  The stink bugs Acrosternum impicticorne, Euschistus heros, Piezodorus guildinii and Thyanta perditor (Heteroptera: Pentatomidae) feed and mate on the same host plants and constitute major components of the soybean pest complex in Brazil. During mating, they communicate with species and sex-specific vibratory signals whose spectral properties are characteristic of the subfamily Pentatominae. Songs differ between species in the time structure and amplitude modulation of their units. The repertoire of A. impicticorne, E. heros and T. perditor fits into the scheme described for most investigated stink bugs: females call with a sequence of pulses that differ between species in their duration and repetition rate, and males respond with courtship songs of species-specific temporal structure and amplitude modulation of complex pulse trains. Female calling and male courtship songs are the main constituents of vibratory communication between sexes in the mating period. The other vibratory emissions appear to represent either transitional songs, support recognition during close-range courtship, or are involved in male rivalry. The first recorded vibratory emissions of P. guildinii confirm that the genus Piezodorus represents an exception within the Pentatominae. Irregularly repeated female vibratory signals of P. guildinii do not trigger typical male courtship responses as they would in the small stink bugs Holcostethus strictus and Murgantia histrionica. On the other hand, complex rivalry with extensive frequency modulation of pulses, as also described in Piezodorus lituratus, opens a new insight into the role of vibratory communication in stink bugs

bitstream/item/177878/1/ID-25010.pdf
Tipo:  Artigo em periódico indexado (ALICE)
Idioma:  Inglês
Identificador:  25010

http://www.alice.cnptia.embrapa.br/alice/handle/doc/185686
Editor:  Physiological Entomology, v. 30, n. 2, p. 175-188, 2005.
Relação:  Embrapa Recursos Genéticos e Biotecnologia - Artigo em periódico indexado (ALICE)
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