A new species of the subgenus Parahanibotus Savitsky, 2019 of the genus Otiorhynchus Germar, 1822 (Coleoptera: Curculionidae) from northwest Iran

A new species Otiorhynchus (Parahanibotus) shtepaneki Davidian, sp. n. is described from northwest Iran (Hamadan Province). It is closely related to O. eques Reitter, 1895, O.  pareques Reitter, 1912 and O.  mazdaranicus Magnano, 2006, from which easily differs in the long median keel and furrowed sculpture of pronotum, tergite 7 arcuately emarginated and in the structure of coxite and spiculum ventrale (without pocket-like depressions). The new species is similar to O. hebraeus Stierlin, 1861 (type species of subgenus Nubidanus Reitter, 1912) by the structure of spiculum ventrale, but easily differs in the body shape, structure of rostral dorsum, tibiae and spermatheca

New taxa of the weevils of the tribe Blosyrini (Coleoptera: Curculionidae: Entiminae) from the Sino-Tibetan Mountains

A new weevil genus Igorius Davidian, gen. n. (Entiminae: Blosyrini) is described from the south-western part of Sichuan Province in China. It is characterized in the following features: rostrum subquadrate; pronotum widest between of the middle and preapical third, clearly compressed laterally in basal half, on disc with numerous granules and narrow median carina; 5th elytral interstriae in preapical part strongly keeled with tubercle at the end almost obliquely descending to the apical declivity, distinctly protruding beyond the apical margin of elytra. Apical margin of elytra between protruding fifth interstriaes, straight or slightly bisinuate. Four new species including I. pictus sp. n. (type species), I. elegans sp. n., I. pastoralis sp. n. and I. tristis sp. n. are described and provided with a key. Male of I. pictus sp. n. easily differs from other in the following features: inside margin of fore tibiae in the middle part is strongly flattened and bent dorsally, endofallus armament with distinct pair of endophallic rods, which are somewhat shorter, than pair of anterior sclerites. Igorius elegans sp. n. is the most similar to I. pictus sp. n., its fore tibiae are without a flattened extension in the middle part and pair of endophallic rods barely marked. Igorius pastoralis sp. n. is characterized in fore tibiae strongly curved in apical half, on the inner side basal to middle angularly widened, pair of anterior sclerites longer than penis, almost reaching apex, very narrow in apical half, at base with distinct pair clusters of spinules. Igorius tristis sp. n. differs in having a wider body, the width of the elytral base is much narrower than the distance between tubercles at the apical elytral margin

New taxa of the weevils closely related to Dactylotus Schoenherr, 1847 (Coleoptera: Curculionidae: Entiminae) from the Sino-Tibetan Mountains

Dactylotinomorphus Davidian, gen. n. (Dactylotus egenus Faust, 1887, type species) is described from China. Kamius Korotyaev, 1996, stat. n., Nipponoblosyrus Korotyaev, 1996, stat. n. and Dactylotinus Korotyaev, 1996, stat. n. are increased from a subgenus to a genus rank. A key to the genera Dactylotus Schoenherr, 1847, Kamius, Nipponoblosyrus, Dactylotinus and Dactylotinomorphus gen. n. with brief morphological characteristic is given. The new genus is closely related to Dactylotinus, from which it differs in the following features: pronotum broadest somewhat distad to the middle, as a rule without constriction near of basal margin; armament of endophallus without of unpaired median postostial grater and pair clusters of spinules; collum of spermatheca distinctly divided on broad oval postcollum and narrow antecollum; coxite-stylus approximately as wide as long. The following new combinations are established (all species are transferred from the genus Dactylotus): Dactylotinus globosus (Gebler, 1829), comb. n., Dactylotinus koreanus (Korotyaev, 1995), сomb. n., Dactylotinus tshuktsha (Lukjanovitsh, 1992), сomb. n., Dactylotinus orientalis (Korotyaev et A. Egorov, 1992), сomb. n., Dactylotinus trivialis (Faust, 1885), сomb. n., Dactylotinus dsungariensis (Pelletier, 1997), сomb. n., Dactylotinus hiekei (Pelletier, 1997), сomb. n., Dactylotinus krausei (Pelletier, 1997), сomb. n., Dactylotinus trivialismoides (Pelletier, 1997), сomb. n., Dactylotinus trivalioides (Pelletier, 1997), сomb. n., Dactylotinomorphus egenus (Faust, 1887), comb. n., Dactylotinomorphus nitidulus (Faust, 1895), сomb. n., Dactylotinomorphus roborovskyi (Faust, 1887), сomb. n., Dactylotinomorphus calvus (Marshall, 1934), сomb. n., Dactylotinomorphus gonghensis (Zhang, 1993), сomb. n., Dactylotinomorphus ligulatus (Zhang, 1993), сomb. n., Dactylotinomorphus xinghaiensis (Zhang, 1993), сomb. n., Nipponoblosyrus angusticollis (Motschulsky, 1866), comb. n., Kamius kozlovi (Korotyaev, 1979), comb. n. Eight new species are described from Gansu, Sichuan and Yunnan provinces of China: Dactylotinus arborator Davidian, sp. n., D. grandis Davidian, sp. n., D. korotyaeviDavidian, sp. n., D. pelletieri Davidian, sp. n., D. roudieri Davidian, sp. n., D. zhangi Davidian, sp. n., Dactylotinomorphus arzanovi Davidian, sp. n. and D. subnudus Davidian, sp. n. Dactylotinus grandis sp. n. has the largest body among congeners; male of D. arborator sp. n. is with deep emargination on the inner margin of fore and middle tibiae in the preapical part; D. roudieri sp. n. differs in the large size of the pair of posterior sclerites in the armament of the endophallus, which is much larger than the pair of anterior sclerites; D. korotyaevi sp. n. is closely related to D. zhangi sp. n. from which differs in slightly transverse 2nd segment of the fore tarsus and clearly differs from D. pelletieri sp. n. in the great size of tubercles on the preapical part of elytra. Dactylotinomorphus subnudus sp. n. is black and nearly bared; D. arzanovi sp. n. is with distinct brownish pubescence, composed from narrow lanceolate scales and setae

A new weevil of the subgenus Otismotilus Reitter, 1912, genus Otiorhynchus Germar, 1824 (Coleoptera: Curculionidae: Entiminae) from the Caucasus

A brief morphological characteristic of the subgenus Otismotilus Reitter, 1912 is given. Otiorhynchus paradigitalis sp. n. is described from Zekari Pass in Georgia. Diagnosis of a new species: the species belongs to the species-subgroup with thickened antennae (O. digitalis, O. depressus, O. oezbeki and O. kataevi) in the species-group granulatopunctatus. Otiorhynchus paradigitalis sp. n. is most similar to O. digitalis, from which it differs by the slightly shorter epistomal angles of females, weakly transverse 3rd funicular segment, oval-shaped elytra widely rounded apically, shorter setae on elytral intervals, shorter manubrium of spiculum ventrale, closely located (almost touching each other) ramus and collum of the spermatheca and slightly smaller stylus on coxites. The new species is also similar to O. oezbeki by the horn-like elongate male epistomal angles, almost reaching the mandibular apex and also by the form of elytra with straight or slightly concave sides before the base; O. paradigitalis sp. n. differs from the mentioned species by the weakly convex disc of pronotum, more elongate 2nd funicular segment, right outer apical angle of the fore tibia and distinctly widened from the outside corbel of the hind tibia. A key to six species of the quadratopunctatus species-group of the subgenus Otismotilus with thickened antennae is given

New data on the systematics and morphology of the weevil genus Otiorhynchus Germar, 1822 (Coleoptera: Curculionidae: Entiminae) with description of a new subspecies of the subgenus Pocodalemes Reitter, 1912

A new data about type specimens of Otiorhynchus discretus Stierlin, 1861, O. pubifer Boheman, 1842, O. ottomanus Stierlin, 1861, O. lilligi Keskin et Cevik, 2007, O. longipilis Smreczyński, 1970, O. europaeus Stierlin, 1883, O. ceviki Keskin, 2007, O. georgianus Magnano, 1999 and O. suramensis Reitter, 1914 are presented. A taxonomic position of the following species of the genus Otiorhynchus Germar, 1822 is clarifed: O. pawlowskii Mazur, 1983 is transferred from incerta sedis to the subgenus Davidianaxius Alonso-Zarazaga, 2013; O. suramensis from Podoropelmus Reitter, 1912 to Davidianaxius; both of O. ceviki and O. spinifer K. Daniel et J. Daniel, 1902 are transferred from Melasemnus Reitter, 1912 to Tournieria Stierlin, 1861; O. ottomanus from Panorosemus Reitter, 1912 and O. longipilis from Hanibotus Reitter, 1912 are transferred to the subgenus Pocodalemes Reitter, 1912; O. discretus and O. pseudomecops Reitter, 1914 from Podonebistus Reitter, 1912 to Pterygodontus Białooki, 2015; O. pilosus Gyllenhal, 1834 from Сhoilisanus Reitter, 1912 to Podorhynchus Białooki, 2015. Species O. pubifer sp. resurr. is resurrected from the synonymy of O. brunneus Gyllenhal, 1834. Te new synonymy is established: Otiorhynchus pilosus Gyllenhal, 1834 = Otiorhynchus georgianus Magnano, 1999, syn. n. Lectotypes for O. discretus and O. ottomanus are designated. Otiorhynchus (Pocodalemes) vitis giresunicus subsp. n. is described from Göndeliç Tepesi in Giresun Province of Turkey. Tis new subspecies is diferent from the nominotypical one in the weakly punctured elongated medial area on the pronotal disc

A new species of the weevil genus Ubychia Rost, 1893 (Coleoptera: Curculionidae: Brachycerinae) from the North-Western Caucasus

A brief morphological characteristic of the genus Ubychia Rost, 1893 is given. Ubychia abagoensis Davidian et Arzanov, sp. n. is described from the Caucasian State Nature Biosphere Reserve in the Republic of Adygea, Russia. The new species is closely related to U. stygia Rost, 1893, from which it differs in the following features: penis is noticeably narrowed in the preаpical part and narrowly rounded at the apex, collum of the spermatheca is quite large and noticeably elongate. The new species differs from U. mingrelica (Reitter, 1894) in the following features: antennal funicle 5-segmented, pronotum and elytra with distinct fine punctation, apex of the penis rounded. The following new synonymy is established: U. stygia Rost, 1893 = U. solochaul Struyve, 2010, syn. n. Ubychia mingrelica is recorded from Russia for the first time based on a specimen from Sochi. A key to three species of the genus Ubychia known from the Western Caucasus in Russia is given

New data on taxonomy, biology and distribution of weevils of the subgenus Pliadonus Reitter, 1912 (Coleoptera: Curculionidae: Otiorhynchus) from the West Caucasus

New data on the morphology, biology and distribution of Otiorhynchus (Pliadonus) abagoensis Reitter, 1888, O. brachialis Boheman, 1843, O. dentitibia Reitter, 1888, O. dolmenicus Davidian et Savitsky, 2006, O. granulatissimus Reitter, 1914, O. helenae Reitter, 1914, O. impressiceps Reitter, 1888, O. pseudobrachialis Reitter, 1914, O. schamylianus Reitter, 1888, O. starcki Retowski, 1885, and Otiorhynchus sp. pr. longipes Stierlin, 1872 are given. All of them are local endemic species distributed only in the West Caucasus (Russia: Stavropol and Krasnodar regions, Adygea; Abkhazia). A key to 11 species of the subgenus Pliadonus Reitter, 1912 is given. Few host plants are established for O. starcki, O. pseudobrachialis and O. granulatissimus. Otiorhynchus pseudobrachialis was collected for the first time after its description by E. Reitter in 1914; all of specimens were found only on Epimedium colchicum (Boiss.) Trautv. (Berberidaceae). Otiorhynchus starcki and O. granulatissimus occurr on different plants, from which on Epimedium colchicum O. starcki was found in the south part of its range and O. granulatissimus in the northwestern part of Abkhazia. In our opinion Epimedium colchicum together with O. starcki, O. pseudobrachialis and O. granulatissimus represent the autochthonous nature complexes in the West Caucasus. The holotype of O. fortispinus Reitter, 1909 was examined, and lectotypes of O. starcki, O. pseudobrachialis, O. granulatissimus and O. dentitibia are designated. The following new synonymy is proposed: O. schamylianus Reitter, 1888 = O. tbatanicus Reitter, 1914, syn. n. Otiorhynchus lilligi Keskin et Cevik, 2007 is transferred from the subgenus Pliadonus to Pocodalemes Reitter, 1912

Рис. 5–10. Otiorhynchus paradigitalis sp. n., общий виΑ и ΑетаΛи строения. 5 –самец, гоΛотип; 6 – самка, паратип; 7 – эΑеагус; 8 – сперматека; 9 – spiculum ventrale; 10 – кокситы. Figs 5–10. Otiorhynchus paradigitalis sp. n., general view and details of structure. 5 – male, holotype; 6 – female, paratype; 7 – aedeagus; 8 – spermatheca; 9 – spiculum ventrale; 10 – coxites. in A new weevil of the subgenus Otismotilus Reitter, 1912, genus Otiorhynchus Germar, 1824 (Coleoptera: Curculionidae: Entiminae) from the Caucasus

Рис. 5–10. Otiorhynchus paradigitalis sp. n., общий виΑ и ΑетаΛи строения. 5 –самец, гоΛотип; 6 – самка, паратип; 7 – эΑеагус; 8 – сперматека; 9 – spiculum ventrale; 10 – кокситы. Figs 5–10. Otiorhynchus paradigitalis sp. n., general view and details of structure. 5 – male, holotype; 6 – female, paratype; 7 – aedeagus; 8 – spermatheca; 9 – spiculum ventrale; 10 – coxites.Published as part of <i>Davidian, G.E., 2020, A new weevil of the subgenus Otismotilus Reitter, 1912, genus Otiorhynchus Germar, 1824 (Coleoptera: Curculionidae: Entiminae) from the Caucasus, pp. 21-25 in Caucasian Entomological Bulletin (Caucas. entomol. bull.) 16 (1)</i> on page 23, DOI: 10.23885/181433262020161-2125, <a href="http://zenodo.org/record/10124533">http://zenodo.org/record/10124533</a&gt

Рис. 11. Распространение Otiorhynchus digitalis Yunakov et Davidian, 2002 (круг) и O. paradigitalis sp. n. (кваΑрат). Fig 11. Distribution of Otiorhynchus digitalis Yunakov et Davidian, 2002 (circle) and O. paradigitalis sp. n. (square). in A new weevil of the subgenus Otismotilus Reitter, 1912, genus Otiorhynchus Germar, 1824 (Coleoptera: Curculionidae: Entiminae) from the Caucasus

Рис. 11. Распространение Otiorhynchus digitalis Yunakov et Davidian, 2002 (круг) и O. paradigitalis sp. n. (кваΑрат). Fig 11. Distribution of Otiorhynchus digitalis Yunakov et Davidian, 2002 (circle) and O. paradigitalis sp. n. (square).Published as part of <i>Davidian, G.E., 2020, A new weevil of the subgenus Otismotilus Reitter, 1912, genus Otiorhynchus Germar, 1824 (Coleoptera: Curculionidae: Entiminae) from the Caucasus, pp. 21-25 in Caucasian Entomological Bulletin (Caucas. entomol. bull.) 16 (1)</i> on page 24, DOI: 10.23885/181433262020161-2125, <a href="http://zenodo.org/record/10124533">http://zenodo.org/record/10124533</a&gt

Te frst record of males of Otiorhynchus pseudomias Hochhuth, 1947 and O. victori Davidian et Savitsky, 2006 (Coleoptera: Curculionidae)

Data on the frst records of males of Otiorhynchus pseudomias Hochhuth, 1947 and O. victori Davidian et Savitsky, 2006 are presented. Otiorhynchus pseudomias is a widespread in the Caucasus parthenogenetic species, occurring also in Crimea and in northeastern Turkey. One male of this species is recorded for the frst time in Abkhazia between Gumista and Kelasuri rivers. Otiorhynchus victori is a eyeless species, which was described based on a single female. One male of this species was collected for the frst time in Andreevskaya cave (Abkhazia), which is located near 7 km west of the type locality