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Science 25 June 1971:
Vol. 172. no. 3990, pp. 1341 - 1342
DOI: 10.1126/science.172.3990.1341
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Articles

Butterfly Feeding on Lycopsid

Michael C. Singer 1, Paul R. Ehrlich 1, and Lawrence E. Gilbert 1

1 Department of Biological Sciences, Stanford University, Stanford, California 94305

Larvae of Euptychia westwoodi feed on Selaginella, a lycopsid. This is the first feeding record in the Satyrinae outside the monocotyledons and one of the few records of a butterfly feeding on other than a seed plant. Clues to possible evolutionary origins of this habit are found in the oviposition behavior of other Euptychia species.

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