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2005. The Journal of Arachnology 33:711714 A REDESCRIPTION OF CHRYSSO NIGRICEPS
 

Summary: 711
2005. The Journal of Arachnology 33:711714
A REDESCRIPTION OF CHRYSSO NIGRICEPS
(ARANEAE, THERIDIIDAE) WITH
EVIDENCE FOR MATERNAL CARE
Jeremy Miller1,3
and Ingi Agnarsson1,2,4
: 1
Department of Entomology, National
Museum of Natural History, NHB-105, Smithsonian Institution, PO Box 37012,
Washington, DC 20013-7012, U.S.A.; 2
Department of Biological Sciences, George
Washington University, 2023 G Street NW, Washington, D.C. 20052, USA
ABSTRACT. Chrysso nigriceps is redescribed and the male is described for the first time based on
material from Colombia. Evidence for maternal care of juveniles in Chrysso is presented. This evidence
is consistent with predictions based on phylogenetic analysis that maternal care is primitively present in
the lost colulus clade, the lineage containing all social theridiids.
Keywords: Chrysso, evolution of sociality, maternal care, taxonomy, South America
Chrysso nigriceps (Keyserling 1884) was
described based on a female specimen from

  

Source: Agnarsson, Ingi - Department of Biology, Universidad de Puerto Rico

 

Collections: Biology and Medicine