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Breeding Populations of Lixus carinerostris Boheman and Calodemas prolixus Faust (Coleoptera: Curculionidae) Co-Existing on Mesembryanthemaceae
The Coleopterists Bulletin
Vol. 47, No. 4 (Dec., 1993), pp. 335-339
Published by: The Coleopterists Society
Stable URL: http://www.jstor.org/stable/4009085
Page Count: 5
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The lixine weevils Lixus carinerostris and Calodemas prolixus successfully breed whilst co-existing on the succulent Mesembryanthemum crystallinum in the Lesser Karoo, South Africa and southern pro-Namib, Namibia. The species exhibit trophic specializations: larvae of L. carinerostris develop endophytically only in the stems and crowns, whereas larvae of C. prolixum develop exophytically only on the tap roots.
The Coleopterists Bulletin © 1993 The Coleopterists Society