Abstract
Scale insects are among our most important pests, but relatively few have been studied in detail. These insects are often small and inconspicuous, and identification is usually a highly specialized activity. The beech scale Cryptococcus fagisuga Lindinger is to some extent an exception because the white wax secreted by this insect makes it highly conspicuous and the absence of any similar coccid on beech largely eliminates the chore of identification. Nevertheless, during the nineteenth century, this organism was described as a fungus (Psilonia nivea), the curly wax threads being taken for fungal hyphae.8,20
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Wainhouse, D., Gate, I.M. (1988). The Beech Scale. In: Berryman, A.A. (eds) Dynamics of Forest Insect Populations. Population Ecology. Springer, Boston, MA. https://doi.org/10.1007/978-1-4899-0789-9_4
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