Description and chromosome number of a species of Pseudonannolene Silvestri (Arthropoda, Diplopoda, Pseudonannolenidae)

Abstract

Pseudonannolene mesai sp.n. from Biritiba Mirim, State of São Paulo, Brazil, is described and the chromosome number (2n=16) is reported. It was impossible to observe the chromosomal sex determination mechanism.

Diplopoda; Pseudonannolene; mtllipeds; cytogenetics


Description and chromosome number of a species of Pseudonannolene Silvestri (Arthropoda, Diplopoda, Pseudonannolenidae)

Carmem S. Fontanetti

Departamento de Biologia, Instituto de Biociências, Universidade Estadual Paulista. 13506-900 Rio Clara, São Paulo, Brazil. E-mail: fontanet@rc.unesp.br

ABSTRACT

Pseudonannolene mesai sp.n. from Biritiba Mirim, State of São Paulo, Brazil, is described and the chromosome number (2n=16) is reported. It was impossible to observe the chromosomal sex determination mechanism.

Key words: Diplopoda, Pseudonannolene, mtllipeds, cytogenetics.

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ACKNOWLEDGMENTS. I wish to thank Dr. Alejo Mesa for help with the collection and for guidance, Lucila L. Segalla Franco and Carmen Silvia Mengardo for technical assistance, Dr. José A.F. Diniz Filho for help with the collection, and CNPq for financial support.

Recebido em 04.III.1999; aceito em 08.II.2000.

  • Achar, K.P. 1983. The use of G-banding technique in the chromosome studies of a millipede species Spiroslreptus asthenes. Curr.Sci. 52: 540-543.
  • ______. 1987. Chromosomal evolution in Diplopoda(Myriapoda: Arthropoda). Caryologia 40(1-2): 145-155.
  • Chowdaiah, B.N. & R.Kanaka. 1969. Cytological studies of Indian Diplopoda. II. (Myriapoda). Bull. Mus. Nat. Hist. Nat. (Suppl.) 41: 43-47.
  • ______. 1974. Cytological studies in six species of pill-millipedes (Diplopoda-Myriapoda). Caryologia 27(1): 55-64.
  • Fontanetti, C.S. 1990. Meiotic prophase in Diplopoda. Rev. Brasil. Genet 13: 697-703.
  • ______. 1991. Karyotypes of some Brazilian diplopods. Rev. Brasil. Genet. 41: 645-651.
  • ______. 1996a. Description of a new species and the karyotype of the cavernicolous millipede Pseudonannolene Silvestri and the karyotype of Pseudonannolene strinatti Mauries (Diplopoda, Pseudonannolene, Pseudonannolenidae). Revta bras. Zool. 13 (2): 419-426.
  • ______. 1996b. Description of three cave diplopods of Pseudonannolene Silvestri (Diplopoda, Pseudonannolenida, Pseudonannolenidae). Revta bras. Zool. 13 (2): 427-433.
  • ______. 1996c. Karyotype of a termitophilic species of Diplopoda (Polydesmida, Chelodesmidae). Braz. Jour. Genet. 19: 593-595.
  • ______. 1996d. The use of cytogenetics to certify a diplopoda species (Pseudonannolenida, Pseudonannolenidae). Rev. Brasil. Biol. 56 (4): 775-781.
  • ______. 1998. Chromosome numbers of some Brazilian species of Diplopods (Diplopoda, Arthropoda). Cytologia 63: 149-154.
  • Hoffman, R.L. 1980. Studies on spirobolid millipeds. XI. On the status oiSpirobolus nattereri Humbert & De Saussure, 1870, and some species traditionally associated with it (Rhinocricidae). Pap. Avuls Zool., São Paulo, 33 (8): 177-181.
  • ______. 1981. Chelodesmid studies. XIII. A synopsis of the Brazilian tribe Strongylomorphini. Stud. Neotr. Fauna Envir. 16: 169-184.
  • ______. 1982. Chelodesmid studies XVIII. A synopsis of the genus Sandalodesmus Silvestri, 1902, and proposal of the new tribe Sandalodesmini (Polydesmida: Chelodesmidae). Spixiana 5 (3): 247-259.
  • ______. 1985. A new millipede of the genus Gonographis from an inundation forest near Manaus, Brazil (Pyrgodesmidae). Amazoniana 9 (2): 243-246.
  • ______. 1988. Diplopoda from Rondonia, Brasil. I. Two new genera and species of Spirostreptidae. Pap. Avuls Zool., São Paulo, 36 (28): 323-331.
  • ______. 1990a. Chelodesmid studies. XX. Millipeds of the new Brazilian tribe Cornalatini. Pap. Avuls Zool., São Paulo, 37 (2): 23-27.
  • ______. 1990b. Chelodesmid studies. XXII. Synopsis of Tessarithys, a new genus of Brazilian millipeds (Diplopoda: Chelodesmidae). Pap. Avuls Zool., São Paulo, 37 (10): 159-166.
  • ______. 1990c. Chelodesmid studies. XXIII. Proposal of a new tribe for the disjunct Brazilian genus Macrocoxodesmus (Diplopoda: Polydesmida: Chelodesmidae). Pap. Avul. Zool., São Paulo, 37 (11): 167-172.
  • ______. 1995. Redefinition of the milliped genus Pycnotropis, and description of a new species from Manaus, Brazil (Polydesmida: Platyrhacidae: Euryurinae). Amazoniana 13 (3-4): 283-293.
  • Schubart, O. 1947. O elemento "synanthropo" e estrangeiro entre os Diplopoda do Brasil. Arthropoda 1 (1): 23-40.
  • Sokoloff, K. 1914. Uber die Spermatogenese bei Polyxenus sp. Zool. Anz. 44: 558-566.
  • Tanabe., T. 1992. Karyotypes of four Xystodesmid millipeds from Japan. Acta Arach. 41 (1): 87-90.

Publication Dates

  • Publication in this collection
    22 May 2009
  • Date of issue
    Mar 2000

History

  • Accepted
    08 Mar 2000
  • Received
    04 Mar 1999
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