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    Bidessus anatolicus adiyaman ssp. n. from Adiyaman province, southern Turkey (Coleoptera, Dytiscidae, Bidessini)
    (Magnolia Press, 2021) Aykut, Medeni; Tasar, Gani Erhan; Fery, Hans
    Bidessus anatolicus adiyaman ssp. n. is described from the Adiyaman province in southern Turkey. The taxon belongs to the unistriatus-group of the genus and can be separated from the nominotypical subspecies of Bidessus anatolicus Wewalka, 1972 by the broader body and the different shape of the male genitalia. The new taxon is illustrated in detail and photographs of the type locality and the surrounding area are given.
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    Deronectes taron sp n. from the eastern Anatolian region of Turkey (Coleoptera, Dytiscidae, Hydroporinae)
    (Magnolia Press, 2018) Aykut, Medeni; Tasar, Gani Erhan; Fery, Hans
    Deronectes taron sp. n. from the Mus province in the eastern Anatolian region of Turkey is described and illustrated in detail. The species belongs to the D. longipes subgroup of the D. parvicollis species group and resembles in particular D. syriacus Wewalka, 1971. It can be differentiated from this and the other species of the group by the shape of the median lobe which is strongly bent in lateral view. A part of the key to species of the subgroup is updated. Together with the new species the number of the known species of the genus Deronectes Sharp, 1882 is now 59 and that of the longipes- subgroup is 13.
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    New host-parasite association of Acherontacarus rutilans (Acari, Hydrachnidia, Acherontacaridae) on Scarodytes halensis (Coleoptera: Dytiscidae)
    (Taylor & Francis Inc, 2016) Aykut, Medeni; Esen, Yunus; Tasar, Gani Erhan
    We report on a new larval host of the water mite Acherontacarus rutilans E. Angelier, 1951: the aquatic beetle Scarodytes halensis (Fabricius, 1787) (Coleoptera: Dytiscidae). Among 3715 beetle specimens belonging to 14 genera of Dytiscidae collected from Bingol province in the Eastern Anatolian Region of Turkey, two male individuals of S. halensis were found with five larvae of A. rutilans attached on the mesosternal region. The host species have not been reported previously and A. rutilans is also a new record for the Turkish fauna.