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The egg case and larvae of all three instars of the cascade beetle Tritonus complanatus Short, 2008 (Coleoptera: Hydrophilidae) are described based on specimens found co-occurring with adults and associated with them by comparing histone 3 nDNA sequences. The morphology of the larva is congruent with the phylogenetic position of Tritonus Mulsant, 1844 in the Paracymus-group of the Laccobiini, but...
A new scaphidiine species, Toxidium cavicola, found in a deep part of a cave in the Tsingy formation, Madagascar, is described. For this world-wide subfamily is only the second species discovered from a cave.
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