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Journal of Ethology

, Volume 26, Issue 2, pp 299–302 | Cite as

Sociable widow spiders? Evidence of subsociality in Latrodectus Walckenaer, 1805 (Araneae, Theridiidae)

  • Rogério BertaniEmail author
  • Caroline Sayuri Fukushima
  • Rosana Martins
Short Communication

Abstract

A first case of subsociality is reported for the genus Latrodectus. Individuals were found sharing the same web and feeding together. In captivity they showed mutual tolerance and communal feeding. This finding is remarkable for two reasons. First, widow spiders, even compared with other spiders, are famously aggressive and cannibalistic so that social behavior in the genus was unexpected. Second, the genus nests outside the “Anelosimus + lost colulus” clade where all the other social theridiids are found.

Keywords

Brazil Latrodectus cf. curacaviensis Neotropics Social behavior 

Notes

Acknowledgments

We are grateful to Ingi Agnarsson for his comments on the manuscript, Kátia de Mendonça Faria and Maurício Pavani for helping with the field work, and Ibama and Parque Nacional da Serra do Cipó for providing permits and support for field work. Financial support—FAPESP for RB and CAPES and FAPESP for CSF.

References

  1. Agnarsson I (2002) Sharing a web: on the relation of sociality and kleptoparasitism in theridiid spiders (Theridiidae, Araneae). J Arachnol 30:181–188CrossRefGoogle Scholar
  2. Agnarsson I (2004) Morphological phylogeny of cobweb spiders and their relatives (Araneae, Araneoidea, Theridiidae). Zool J Linn Soc 141:447–626CrossRefGoogle Scholar
  3. Agnarsson I (2006) A revision of the new world eximius lineage of Anelosimus (Araneae, Theridiidae) and a phylogenetic analysis using worldwide exemplars. Zool J Linn Soc 146:453–593CrossRefGoogle Scholar
  4. Agnarsson I, Avilés L, Coddington JA, Maddison WP (2006) Sociality in theridiid spiders: repeated origins of an evolutionary dead end. Evolution 60:2342–2351PubMedGoogle Scholar
  5. Andrade MCB (1996) Sexual selection for male sacrifice in the Australian redback spider. Science 271:70–72CrossRefGoogle Scholar
  6. Arnedo MA, Agnarsson I, Coddington JA, Hormiga G, Gillespie R (2001) From a comb to a tree: phylogenetic analysis of the comb-footed spiders (Araneae, Theridiidae) based on multiple data sets. Proceedings of the XI international congress of arachnology, Badplaas, South Africa (Abstract)Google Scholar
  7. Avilés L (1997) Causes and consequences of cooperation and permanent-sociality in spiders. In: Choe JC, Crespi BJ (eds) The evolution of social insects and arachnids. Cambridge University Press, Cambridge, pp 476–498Google Scholar
  8. Avilés L, Maddison WP, Agnarsson I (2006) A new independently derived social spider with explosive colony proliferation and a female size dimorphism. Biotropica 38:743–753CrossRefGoogle Scholar
  9. Bücherl W (1968) Latrodectus e latrodectismo na América do Sul. Rev Bras Pesqui Med Biol 1:83–88Google Scholar
  10. Buskirk RE, Frohlich C, Ross KG (1984) Natural selection of sexual cannibalism. Am Nat 123:612–625CrossRefGoogle Scholar
  11. Coddington JA, Agnarsson I (2006) Subsociality in Helvibis thorelli Keyserling, 1874 (Araneae, Theridiidae, Theridiinae) from French Guyana. J Arachnol 34:642–645CrossRefGoogle Scholar
  12. Forster LM (1992) The stereotyped behaviour of sexual cannibalism in Latrodectus hasselti Thorell (Araneae: Theridiidae), the Australian redback spider. Aust J Zool 40:1–11CrossRefGoogle Scholar
  13. Garb JE, González A, Gillespie RG (2004) The black widow spider genus Latrodectus (Araneae: Theridiidae): phylogeny, biogeography, and invasion history. Mol Phylogenet Evol 31:1127–1142PubMedCrossRefGoogle Scholar
  14. Kraft B (1979) Organisations des societés d’aragnées. J Psychol 1:23–51Google Scholar
  15. Ushkaryov YA, Volynski KE, Ashton AC (2004) The multiple actions of black widow spider toxins and their selective use in neurosecretion studies. Toxicon 43:527–542PubMedCrossRefGoogle Scholar

Copyright information

© Japan Ethological Society and Springer 2008

Authors and Affiliations

  • Rogério Bertani
    • 1
    Email author
  • Caroline Sayuri Fukushima
    • 1
    • 2
  • Rosana Martins
    • 1
  1. 1.Instituto ButantanSão PauloBrazil
  2. 2.Departamento de Zoologia, Instituto de BiociênciasUniversidade de São PauloSão PauloBrazil

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