Cassidinae of the World https://www.cassidae.uni.wroc.pl/katalog%20internetowy/index.htm
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Cerambycidae | Longhorn Beetles of the West Palaearctic Region... https://www.cerambyx.uochb.cz//
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Cholevinae of the World
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Chrysomelidae | The Leaf Beetles of Europe and the Mediterranean Subregion https://www.cassidae.uni.wroc.pl/European%20Chrysomelidae/index.htm
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Chrysomelidae.it https://www.chrysomelidae.it/
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