Redescription and neotype designation of Suphis fluviatilis Guignot, 1948 (Coleoptera: Dytiscoidea: Noteridae) and notes on other species of the genus.

Suphis fluviatilis Guignot, 1948 was described based on a single female specimen, and according to the author, the type was deposited in the Museum National dHistoire Naturelle (Paris, France). However, the diagnostic features of the specimen deposited under this name and provided with the respective labels deviate considerably from those given by Guignot in his original description. It is shown that this specimen belongs to Suphis notaticollis Zimmermann, 1921, confirming previous observations by Luis Grosso in 1980.

Bidessus anatolicus adiyaman ssp. n. from Adyaman province, southern Turkey (Coleoptera, Dytiscidae, Bidessini).

Bidessus anatolicus adiyaman ssp. n. is described from the Adyaman province in southern Turkey.

Cybister (s. str.) poblanus sp. n. from Mexico and notes on other species of Cybistrinae (Coleoptera: Dytiscidae).

Cybister (s. str.) poblanus sp.

Notes on Aphodius coenobita Gravenhorst, 1807, a forgotten name (Coleoptera: Scarabaeidae: Aphodiinae).

Aphodius coenobita Gravenhorst, 1807 is an almost forgotten name which has never been used as valid after its establishment. Studies of Gravenhorst's life story and his relations with contemporary entomologists revealed that at least a part of the original syntype series of this taxon is stored in the "Museum für Naturkunde Berlin" (Germany). Furthermore, it is given evidence that Aphodius stercorosus F.

Hydroporus novacula sp. n. from Georgia (Caucasus) (Coleoptera, Dytiscidae, Hydroporini)-the first terrestrial species of the genus?

Hydroporus novacula sp. n. is described on a single male accidentally found when collecting Staphylinidae (Coleoptera) in south-western Georgia (Caucasus) by sifting more or less dry material quite far from any water.

Deronectes kabilcevz sp. n. and D. propedoriae sp. n. from south-eastern Anatolia (Turkey) (Coleoptera, Dytiscidae, Hydroporinae).

Two new diving beetle species of the subtribe Deronectina are described from south-eastern Anatolia. Deronectes kabilcevz sp. n.

Nomenclatural notes on some taxa of Bidessus Sharp and designation of a neotype (Coleoptera: Dytiscidae: Hydroporinae: Bidessini).

The nomenclature of some taxa of the tribe Bidessini is dealt with. Currently, the names of these taxa are mostly interpreted as synonyms of Bidessus unistriatus (Goeze, 1777). The four oldest names for this species are shown to be nomina dubia due to insufficient descriptions and lack of name-bearing types.

A molecular phylogeny of Speonemadus Jeannel, 1922 with description of two new species from Morocco (Coleoptera: Leiodidae: Cholevinae: Anemadini).

The genus Speonemadus Jeannel, 1922 currently includes 12 species distributed in the Western Mediterranean (Iberian Peninsula, North Africa, Sicily and continental Italy). Two new species are described from Morocco, S. brusteli sp.

Deronectes taron sp. n. from the eastern Anatolian region of Turkey (Coleoptera, Dytiscidae, Hydroporinae).

Deronectes taron sp. n. from the Muş province in the eastern Anatolian region of Turkey is described and illustrated in detail.

Phylogeny and taxonomic revision of Deronectina Galewski, 1994 (Coleoptera: Dytiscidae: Hydroporinae: Hydroporini).

The subtribe Deronectina Galewski, 1994 (Dytiscidae, Hydroporinae, Hydroporini) is distributed in the Nearctic, in the north of the Neotropical region, and in the Palaearctic and Afrotropical regions. It is currently composed of 194 species and 13 subspecies in eight genera: Amurodytes Fery Petrov, 2013, Boreonectes Angus, 2010, Deronectes Sharp, 1882, Nebrioporus Régimbart, 1906, Oreodytes Seidlitz, 1887, Scarodytes Gozis, 1914, Stictotarsus Zimmermann, 1919, and Trichonectes Guignot, 1941. We present a morphological and a molecular phylogeny of the species of the subtribe, and a revision of their taxonomy to accommodate our phylogenetic results.

Substitution of some species-level names in the tribe Hygrotini Portevin, 1929 (Coleoptera: Dytiscidae: Hydroporinae).

Recently, Villastrigo et al. (2017b) published a new classification of the species of the tribe Hygrotini (subfamily Hydroporinae) based on a thorough phylogenetic investigation using molecular as well as morphological data (Villastrigo et al. 2017a).

Stictonectes abellani sp. n. (Coleoptera: Dytiscidae: Hydroporinae) from the Iberian Peninsula, with notes on the phylogeny, ecology and distribution of the Iberian species of the genus.

Stictonectes abellani sp. n. is described from the Iberian Peninsula.