Ocorrência de formas gâmicas e ambifásicas de Schizaphis graminum (Rondani) (Homoptera, Aphididae) em criações de campo e laboratório em São Paulo, Brasil

Occurence of sexual morphs and ambiphasic females of Schizaphis graminum (Rondani) (Homoptera, Aphididae) in the field and in laboratory in São Paulo, Brazil

Resumo

The ocurrence of males, gamic and ambiohasic females of the greenbug Schizaphis graminum (Rondani, 1852) among parthenogenetics reared on Sorghum bicolor (Linnaeus) Moench, in Ribeirão Preto (São Paulo, Brazil), from 1980 through 1983, follows an annual cycle. They appear from April through June, when the photoperiod has about 11 hours of daily photophase. Despite the low number these findings support the potential for holocycle, triggered by variable abiotic factors in this region with mild winters.

Homoptera; Aphididae; Schizaphis graminum; greenbug; sexual morphs; amhiphasic


Homoptera; Aphididae; Schizaphis graminum; greenbug; sexual morphs; amhiphasic

Ocorrência de formas gâmicas e ambifásicas de Schizaphis graminum (Rondani) (Homoptera, Aphididae) em criações de campo e laboratório em São Paulo, Brasil

Occurence of sexual morphs and ambiphasic females of Schizaphis graminum (Rondani) (Homoptera, Aphididae) in the field and in laboratory in São Paulo, Brazil

Helena Soares Ramos Cabette

Departamento de Biologia, Universidade Estadual do Mato Grosso, Caixa Poslal 08. 78690-000 Nova Xavantina, Mato Grosso, Brasil

ABSTRACT

The ocurrence of males, gamic and ambiohasic females of the greenbug Schizaphis graminum (Rondani, 1852) among parthenogenetics reared on Sorghum bicolor (Linnaeus) Moench, in Ribeirão Preto (São Paulo, Brazil), from 1980 through 1983, follows an annual cycle. They appear from April through June, when the photoperiod has about 11 hours of daily photophase. Despite the low number these findings support the potential for holocycle, triggered by variable abiotic factors in this region with mild winters.

Key words: Homoptera, Aphididae, Schizaphis graminum, greenbug, sexual morphs, amhiphasic

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AGRADECIMENTOS. À Profa Dra Maria M. da Costa Teles

(in memorian)

pela orientação da dissertação de mestrado, ela qual este trabalho faz parte. A Profa Dra Sonia M.n. Lázzari pela elaboração do

abstract

e leitura crítica do manuscrito e à Profa Maria C. de Almeida pela leitura crítica do manuscrito. Ao CNPq pelo provimento da Bolsa de Mestrado.

REFERÊNCIAS BIBLIOGRÁFICAS

Blackman, R.L. 1972. The inheritance of life-cycle differences in Myzus persicae (Sulz.) (Hem., Aphididae). Bull. ent. Res. 62: 281-294.

______. 1974. Life-cycle variation of Myzus persicae (Sulz.) (Hom., Aphididae) in different parts of the world, in relation to genotype and environment. Bull. ent. Res. 63: 595-607.

______. 1981. Species, sex and parthenogenesis in aphids. p. 75-84. In: P.L. Forey (ed.). The evoluing biosphere (chance, change and challenge). Cambridge, Cambridge University Press, 311p.

______. 1988. Rearing and handling aphids, p. 59-68. In: A.K. Minks & P. Harrewijn (eds). Aphids, their biology, natural enemies and control. Amsterdam, Elsevier Science Publishers, vol. B, XIX-364p.

Cabette, H.S.R. (no prelo). Técnicas para criação e isolamento de pulgões (Homoptera: Aphididae) em sorgo, no laboratório e no campo. Acta Biol. Paranaense.

Costa, C.L. 1969. Ocorrência, no Estado de São Paulo, de forma sexuada de Myzus persicae, importante vetor de vírus de plantas. Rev. Soc. Br. Fitopatol. 3: 59-60.

Dixon, A.F.G. 1978. Biology of aphids. London, Edward Arnould Publishers Limited, Studies in Biology no. 44, 58p.

Eisenbach, J. & T.E. Mittler. 1987. Sex pheromone discrimination by male aphids of a biotype of Schizaphis graminum. Entomol. exp. appl. 43: 181-182.

Kawada, K. 1987. Polymorphism and morph determination, p. 255-268. In: A.K. Mink & P. Harrewijn (eds). Aphids: their biology, natural enemies and control. Amsterdam, Elsevier Science Publishers, vol. A, XX-450p.

Pagliai, A.M. 1965. A new category in the life cycle of Brevicoryne brassicae L.: the ambiphasic females. Experientia 21 (5): 283-284.

Paulos-de-Luna, A. & C.E. Salto. 1977. Pulgon verde de los cereales. II. Hallazgo y descripcion de forma sexuadas en el biotipo 1976. Chacra Exp. de Barrow, Publicaciones Técnicas, vol. 15, 10p.

Receoido em 03.XI.1994; aceito em 16.XI.1995.

  • Blackman, R.L. 1972. The inheritance of life-cycle differences in Myzus persicae (Sulz.) (Hem., Aphididae). Bull. ent. Res. 62: 281-294.
  • ______. 1974. Life-cycle variation of Myzus persicae (Sulz.) (Hom., Aphididae) in different parts of the world, in relation to genotype and environment. Bull. ent. Res. 63: 595-607.
  • ______. 1981. Species, sex and parthenogenesis in aphids. p. 75-84. In: P.L. Forey (ed.). The evoluing biosphere (chance, change and challenge). Cambridge, Cambridge University Press, 311p.
  • ______. 1988. Rearing and handling aphids, p. 59-68. In: A.K. Minks & P. Harrewijn (eds). Aphids, their biology, natural enemies and control. Amsterdam, Elsevier Science Publishers, vol. B, XIX-364p.
  • Cabette, H.S.R. (no prelo). Técnicas para criação e isolamento de pulgões (Homoptera: Aphididae) em sorgo, no laboratório e no campo. Acta Biol. Paranaense.
  • Costa, C.L. 1969. Ocorrência, no Estado de São Paulo, de forma sexuada de Myzus persicae, importante vetor de vírus de plantas. Rev. Soc. Br. Fitopatol. 3: 59-60.
  • Dixon, A.F.G. 1978. Biology of aphids. London, Edward Arnould Publishers Limited, Studies in Biology no. 44, 58p.
  • Eisenbach, J. & T.E. Mittler. 1987. Sex pheromone discrimination by male aphids of a biotype of Schizaphis graminum. Entomol. exp. appl. 43: 181-182.
  • Kawada, K. 1987. Polymorphism and morph determination, p. 255-268. In: A.K. Mink & P. Harrewijn (eds). Aphids: their biology, natural enemies and control. Amsterdam, Elsevier Science Publishers, vol. A, XX-450p.
  • Pagliai, A.M. 1965. A new category in the life cycle of Brevicoryne brassicae L.: the ambiphasic females. Experientia 21 (5): 283-284.
  • Paulos-de-Luna, A. & C.E. Salto. 1977. Pulgon verde de los cereales. II. Hallazgo y descripcion de forma sexuadas en el biotipo 1976. Chacra Exp. de Barrow, Publicaciones Técnicas, vol. 15, 10p.

Datas de Publicação

  • Publicação nesta coleção
    21 Jul 2009
  • Data do Fascículo
    Set 1995

Histórico

  • Aceito
    16 Nov 1995
  • Recebido
    03 Nov 1994
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