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Science 7 August 1970:
Vol. 169. no. 3945, pp. 587 - 588
DOI: 10.1126/science.169.3945.587
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Articles

Multiple Mimetic Forms in an Ant-Mimicking Clubionid Spider

Jonathan Reiskind 1

1 Department of Zoology, University of Florida, Gainesville 32601

Castianeira rica mimics about five classes of ant models. The multiple mimetic forms result from (i) sexual dimorphism, (ii) color variation in the adult female, and (iii) developmental changes in the preadult instars. A congeneric, sympatric, and nonmimetic species, Castianeira alba, acts as an evolutionary "control" for comparison.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)