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There are some 250 species of Riodinidae butterflies to be found in Costa
Rica, most of which are little known and little studied. In Volume II of The
Butterflies of Costa Rica (Princeton University Press,
£23.95/$29.95, ISBN 0 691 02889 3), Philip DeVries describes and
illustrates almost all of them, providing a field guide and a detailed biology
of this diverse and colourful family. As the majority of the species covered
also occur outside Costa Rica, this is a volume that will be invaluable to
anyone studying the butterflies of the Neotropics.