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Neurosecretory cells of third-instar larvae of Anastrepha obliqua Macquart (Diptera, Tephritidae)

Abstract

Neurosecretory cells of the nervous system of third-instar larvae of Anastrepha obliqua Macquart, 1835 were located and described histomorphologically. Six groups of neurosecretory cells were identified in the brain and one group in the ventral ganglion. The groups differed in position, cell size and staining characteristics. Four of these groups appear to he active throughout the third instar and three, from the prepupal period.

Anastrepha obltqua; fruit fly; neurosecretory cells


Neurosecretory cells of third-instar larvae of Anastrepha obliqua Macquart (Diptera, Tephritidae)

Isabel C. Boleli; Zilá L. Paulino-Simões; † M. Madalena da Costa Teles

Departamento de Biologia, Faculdade do Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Av. Bandeirantes 3900, 14040-901 Ribeirão Preto, São Paulo, Brasil

ABSTRACT

Neurosecretory cells of the nervous system of third-instar larvae of Anastrepha obliqua Macquart, 1835 were located and described histomorphologically. Six groups of neurosecretory cells were identified in the brain and one group in the ventral ganglion. The groups differed in position, cell size and staining characteristics. Four of these groups appear to he active throughout the third instar and three, from the prepupal period.

Key words:Anastrepha obltqua, fruit fly, neurosecretory cells

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ACKNOWLEDGMENTS. The authors are grateful to "Coordonadoria do Aperfeiçoamento de Pessoal de Nível Superior" (CAPES) for financial support, and to COPERSUCAR for permitting the use of their orchard for fruit collection.

Recebido em 23.XI.1993; aceito em 11.X.1994.

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Publication Dates

  • Publication in this collection
    31 July 2009
  • Date of issue
    1994

History

  • Accepted
    11 Oct 1994
  • Received
    23 Nov 1993
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