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Hygrotus ahmeti sp. nov. is described from north-eastern Turkey. It belongs to the subgenus Coelambus, in particular to a group of globose species around Hygrotus confluens (Fabricius, 1787). Several details of the new species are figured and the key to Hygrotus in Fery (2003) is modified to include H. ahmeti sp. nov.
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Hájek et al. (2005) studied this question.
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