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Scorpions in Mexico: Comments on some species from Centruroides gracilis and C. margaritatus (SCORPIONES; BUTHIDAE) groups

Scorpions in Mexico. Comments on some species from Centruroides gracilis and C. margaritatus (SCORPIONES; BUTHIDAE) groups

Martín-Frías, Eliézer1 and de Armas, Luis F2.

1Department of Parapsychology, National School of Biological, IPN, Mexico D. F. 2Ecology and Systematic Institute, CITMA, La Habana, Cuba.

We discuss information on the geographical distribution, taxonomy, and medical importance of some of the Mexican species of the C. gracilis and C. margaritatus groups. Within the first group we propose specific status for Centruroides chiapanensis tapachulaensis (Hoffmann, 1932) from Chiapas. In the second group, we corroborate the specific status for C. nigrescens (Pocock, 1898), which was previously considered a subspecies of C. nigrimanus (Pocock, 1898) by some authors. In general terms, these scorpion venoms are of low toxicity, with low incidence of severe envenomings. As this genus contains the most dangerous species to man in North America, we recommend wider national publicity on these most recent taxonomical changes.

Publication Dates

  • Publication in this collection
    08 Oct 2002
  • Date of issue
    Dec 2001
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