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Studies in South America of arthropods on the Salvinia auriculata complex of floating ferns and their effects on S. molesta

Published online by Cambridge University Press:  10 July 2009

I. W. Forno  and
A. S. Bourne
I. W. Forno
Affiliation:
CSIRO, Division of Entomology, Long Pocket Laboratories, Private Bag No. 3, P.O., Indooroopilly, Queensland 4068, Australia
A. S. Bourne
Affiliation:
CSIRO, Division of Mathematics and Statistics, Long Pocket Laboratories, Private Bag No. 3, P.O., Indooroopilly, Queensland 4068, Australia
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Abstract

Insects and mites associated with each species in the Salvinia auriculata complex were recorded in Trinidad, Venezuela, Guyana, Brazil, Uruguay, Paraguay and Argentina. There was a consistent pattern of herbivore-plant association throughout the range of the complex. Field studies showed that three insects, the curculionid Cyrtobagous sp., the pyralid Samea multiplicalis Gn. and the pauliniid Paulinia acuminata (Deg.), together contained Salvinia molesta at a density slightly below the carrying capacity of the environment in coastal areas of Brazil.

Type
Original Articles
Information
Bulletin of Entomological Research , Volume 74 , Issue 4 , December 1984 , pp. 609 - 621
Copyright
Copyright © Cambridge University Press 1984

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