Nikolai Yunakov

• Ph.D.
• Researcher and Data Analyst at Institute of Biodiversity NGO

The canopy dwelling weevils of the genus Cadoderus and allied genera demonstrate significant diversity in fragmented montane and gallery forests of East Africa. Adults have various cryptic coloration or vestiture to hide them among branches covered with lichens and moss. Cadoderus Marshall, 1926, Sphrigodellus Marshall, 1942, and Oncophyes Marshall...

The article presents the results of a study of some geophilic weevils of the subfamily Entiminae. For Rhinomias caucasicus (Stierlin, 1877) from Northern Ossetia and Abkhasia the new genus Solarhinomias gen.n. is established. The new genus and species Turanomias yuliae gen. et sp.n. is described from Turkmenistan. Also, a new genus Eurosphalmus gen...

The fauna of weevils Curculionoidea of Ukraine numbers 1453 species equivalent to 25.3% of European fauna. They belong to 10 families and 364 genera. A total of 51 species are recorded from Ukraine for the first time. Assessment of inventory completeness indicates that 62% of the area of Ukraine are covered by samples. Spatial join analysis has rev...

The present catalogue is an improved and updated edition of the one published in November 2017.It contains 1627 valid genera, 681 valid subgenera, 15,531 valid species, 1,013 valid subspecies and9,098 names of invalid or nomenclaturally unavailable species-group taxa belonging to the sevenfamilies of Coleoptera Curculionoidea recognised in the Pala...

This work addresses a collection of miscellaneous notes intended to resolve several issues in synonymy and taxonomy of the Entiminae tribes Byrsopagini, Cyphicerini, Mesostyloidini, Phyllobiini and Polydrusini. New synonyms are herein proposed: Peronaspis Suvorov, 1915 = Viridistylus Colonnelli & Paladini, 2019, syn. nov.; Peronaspis claviger (Faus...

Barynotus makolskii Smreczyński, 1955 and Coelositona cambricus (Stephens, 1831) are newly recorded species for Ukraine. Specimens, including male and female genitalia of Barynotus makolskii have been photographed. The key to Barynotus species of Ukraine is provided. Primula elatior (L.) Hill is identified as a host plant of Barynotus makolskii. Th...

This study presents the first record of the weevil tribe Elytrurini in Wallacea with the discovery and description of a new species, Exophthalmida elytrodon Yunakov, Bollino, Pancini and Anderson sp. nov., from Morotai Island. Exophthalmida elytrodon sp. nov. is distinguished by its unique morphological traits, including long preapical spines on th...

Chlorophanus vittatus Schoenherr, 1832, known from the Caucasus and northern Iran, is here newly reported from eastern Turkey. Salix L., Populus L., Tamarix L. and Glycyrrhiza glabra L. are revealed as host plants of adults in Turkey. Feeding and mating behavior of adults were observed on leaves of G. glabra during the summer period in the Aras Riv...

A new systematic placement of Humeromima rufipes (Boheman, 1834) within the Omias generic com�plex is proposed as a result of a comprehensive morphological analysis. An improved redescription, including fine structures of male and female terminalia, is provided. Synapomorphies are revealed in the structures of female terminalia, male genitalia, m...

This study presents data on the morphology and distribution of Parameira setosa Seidlitz, 1868, and P. gebleri Faust, 1893. The former species is documented in the northern rim of the Podolian Upland in Rivne Province of Ukraine, significantly expanding its range westward into the Central European Mixed Forest zone. Species distribution modeling (M...

The first documented occurrences of Otiorhynchus aurifer, O. pseudonothus, and Pachyrhinus lethierryi in Romania are given. The hotspot analysis (occurrence density, Getis-Ord Gi* statistic, and Kernel density estimation) indicates global bilateral clustering of Otiorhynchus aurifer in Western Europe + Great Britain Island and the Black Sea region...

Otiorhynchus tomentifer Boheman, 1842 is redescribed, and its new placement in the subgenus Pseudocryphiphorus Magnano, 1998 is proposed. The placement of O. tomentifer in the subgenus Postaremus Reitter, 1912 is rejected. Otiorhynchus semitarius Reitter, 1913 is a new junior synonym of O. tomentifer Boheman, 1842. Comprehensive morphological data...

Two new species of the genus Sphrigodellus Marshall, 1942 are described from cloud forests of the Udzungwa Mountains, Tanzania. Sphrigodellus griseus sp. n. from Udzungwa Scarp differs from all known species of the genus by the uniform, grey, marmorate coloration of the body, prementum with four setae, C-shaped lobes of endophallic sclerite, and ex...

The genus Brachysomus Schoenherr, 1823 is reviewed. A comparative morphological study of adults from 56 Brachysomus species is provided. Redescriptions, diagnoses and identification keys are given. Descriptions of two new species are provided: B. (s. str.) podlussanyi sp. n. from Greece and B. (s. str.) pseudosetiger sp. n. from Bulgaria, which app...

Examination of Conocarpus erectus L., an adventive ornamental plant growing on Kish Island, revealed Myllocerus undecimpustulatus and Systates omanicus, both weevils new to Iran. Comparatively mesophilic Myllocerus undecimpustulatus is an invasive pest with origin from the Indian subcontinent, and is highly recommended for Internal Quarantine (A1)...

Morphometry and diagnosis of Rhinomias forticornis (Boheman, 1842) are given. Distribution of Rhinomias forticornis is analyzed using known occurrences, original ecological data, correlative species distribution modeling with aspect on Last Glacial Maximum environment are given. To achieve a more realistic and precise spatial pattern, selected clim...

During examination of Bagous tubulus Caldara et O’Brien, 1994 series collected in Lviv Region of Ukraine the epizoic algae were detected. Small- and medium-sized green spots are constrained to the dorsal and lateral surfaces of pronotum, elytra, and femora of beetles. We assume that succidations, microstructure of scales along with semiaquatic way...

Highly precise occurrence data for 13 poorly-known weevil species in Lviv and Ivano-Frankivsk Provinces of Ukraine are given: Eubrychius velutus (Beck, 1817), Pelenomus velaris (Gyllenhal, 1827), Cotaster uncipes (Boheman, 1838), Anthonomus undulatus Gyllenhal, 1836, Orthochaetes setiger (Beck, 1817), Acallocrates colonnellii Bahr, 2003, Centricnem...

Наведені відомості про 386 видів рідкісних і зникаючих тварин Харківської області (серед яких 41 вид, занесений до списку МСОП, 163 види — до Червоної книги України, 51 вид — до різноманітних Європейських червоних списків). Представлені таксономічна належність кожного виду, природоохоронний статус, морфологічні та екологічні особливості кожного в...

Pachyrhinus lethierryi (Desbrochers des Loges, 1875) is a Mediterranean weevil species that has become remarkably well known as a result of a series of recent introductions across Western and Central Europe. This species has recently reached Asia Minor and the Crimean Peninsula, as confirmed by several new records. The vectors of invasion in Crimea...

This is 4th edition of the online database comprising 14,188 valid names of described species and subspecies distributed worldwide. Entiminae is the largest subfamily of weevils (Curculionidae), small to medium sized phyllophagous weevils with the deciduous mandibular process and mostly root-feeding larva. The checklist was generated from the 3i da...

The present catalogue contains 1,611 valid genera, 678 valid subgenera, 15,407 valid species, 1,042 valid subspecies and 9,381 names of invalid or nomenclaturally unavailable species-group or infrasubspecific taxa belonging to the six families of Coleoptera Curculionoidea recognised in the Palaearctic Region. New combinations are: Mecorhis holzschu...

Catalogue of the weevils of the Palaearctic Region

This is 3rd edition of the online database comprising 13,938 described species distributed worldwide. Entiminae is the largest subfamily of weevils (Curculionidae), small to medium sized phyllophagous weevils with the deciduous mandibular process and mostly root-feeding larva. The checklist was generated from the 3i database which provides informat...

This is online database comprising 13,850 described species distributed worldwide. Entiminae is the largest subfamily of weevils (Curculionidae), small to medium sized phyllophagous weevils with deciduous mandibular process and mostly root-feeding larva. The checklist was generated from the 3i database which provides information on all species, inc...

This is online database comprising 13,850 described species distributed worldwide. Entiminae is the largest subfamily of weevils (Curculionidae), small to medium sized phyllophagous weevils with deciduous mandibular process and mostly root-feeding larva. The checklist was generated from the 3i database which provides information on all species, inc...

Our knowledge of Ukrainian bark and ambrosia beetles (Coleoptera: Curculionidae: Scolytinae and Platypodinae) is summarized as a baseline for future studies of the fauna, with a checklist including information on distribution, host trees, biology and taxonomy. One hundred twenty-two species are recorded from Ukraine, of which seven are recorded for...

Red list of Animals of Kharkiv Province, Ukraine

ENTIMINAE 267 globulatns Fairmaire, 1873a: 344 (Rhinognathus) leptolepyroides Desbrochers des Loges, 1907a: 97 (Cneorhinus) olivieri Desbrochers des Loges. 1873c: 425 pallidesquamosus Stierlin. 1888b: 55 (Sciaphilus) siculus Rottenberg, 1872: 228 (Cneorhinus) gen us Mutocn eorrh in us Hoffmann, 1961b: 34 type species Mutocneorrhinus atlanticus Hoff...

Synonymy is newly established for the following taxon names: Ellimenistes Boheman, 1843 = Pimelorrhinus Reitter, 1915, syn. n.; Ellimenistes setulosus Fåhraeus, 1871 = Pimelorrhinus globatus Reitter, 1915, syn. n.; Polydrusus subgen. Eudipnus C. G. Thomson, 1859 = Eudipnoidius Apfelbeck, 1898 syn. n.; Polydrusus subgen. Eustolus C. G. Thomson, 1859...

Synonymie wird für die folgenden Taxonnamen neu etabliert: Ellimenistes Boheman, 1843 = Pimelorrhinus Reitter, 1915, syn. n.; Ellimenistes setulosus Fåhraeus, 1871 = Pimelorrhinus globatus Reitter, 1915, syn. n.; Polydrusus subgen. Eudipnus C. G. Thomson, 1859 = Eudipnoidius Apfelbeck, 1898 syn. n.; Polydrusus subgen. Eustolus C. G. Thomson, 1859 =...

Exechesops leucopis Jordan, 1928,initially known from Eastern and South-Eastern Asia,was discovered in natural forests of South EuropeanRussia and Ukraine since 1975. Acer tataricum and A.campestre are suggested to be its host plants in Europe.Observation of the beetles revealed hill-topping andelytro-tergal stridulation behavior in females.

The canopy dwelling weevils of the genus Cadoderus and allied genera demonstrate significant diversity in fragmentedmontane and gallery forests of East Africa. Adults have various cryptic coloration or vestiture to hide them among branch-es covered with lichens and moss. Cadoderus Marshall, 1926, Sphrigodellus Marshall, 1942, and Oncophyes Marshall...

Brachysomus (Hippomias) samos sp. n. is described from the Oros Ambelos mountains on Samos Island (Greece). The hygrophilous and detritivorous new species is endemic to a very restricted area. Brachysomus samos is close to B. pelex Yunakov, 2006, B. moczarskii Penecke, 1924 and B. armatus Yunakov, 2006 based on characteristics of the median lobe of...

The Eastern Arc Mountains of Africa are among the world’s top 25 biodiversity hotspots. The North and South Pare Mountains of Tanzania are two the least studied blocks of the Eastern Arc. We examined the distribution of leaf litter and canopy beetles in the North and South Pare Mountains to test whether both blocks qualify to be treated as separate...

Arostropsis groehnigen. et sp. n. is described from Baltic amber and temporarily placed in the tribe Naupactini. It differs from all recent Naupactini genera with open corbels by very short and flattened scape, distinct lateral carina of the pronotum and elytra, and the rostrum distinctly narrower than the head capsule. The shape of head in the ext...

The purpose of this paper is a comparative morphological study of the little known monotypic weevil genus Araxia Khnzorian, 1957 and its close allies; redescriptions and figures are provided. A new systematic position for Araxia is proposed and discussed, its affinity with Chiloneus Schoenherr, 1842 and a new genus Holcolydoprus gen. n. is demonstr...

Amicromias tricholepis sp. n. from Lesbos Island (Greece) is described. The new species differs by its unique morphological characters as well as an outstanding sexual dimorphism from all other representatives of the genus. A new key to the species of the recently revised genus Amicromias Reitter, 1912 is given.

A review of the subgenus Metaphyllobius Smirnov of the weevil genus Phyllobius Germ. is given. The name Ph. maculatus Tournier, 1880 is restored from synonymy with Ph. pomaceus fessus Boheman, 1843. A new synonymy is established: Ph. maculatus Tournier, 1880 (= jacobsoni Smirnov, 1913, syn. n.). Ph. fessus Boheman, 1843 is downgraded to a subspecie...

New synonymy is established for the following taxa: Stasiodis Des Gozis, 1886 (= Sciaphilomorphus Alonso Zarazaga & Lyal, 1999, syn. n.), Otiorhynchus subg. Nihus Reitter, 1912 (= Metopiorrhynchus Reitter, 1912, syn. n.), Otiorhynchus subg. Dorymerus Seidlitz, 1890 (= Nehrodistus Reitter, 1912, syn. n.), O. (Microphalantus) puncticornis Gyllenhal,...

Brachysomus Schoenh. (Coleoptera: Curculionidae: Entiminae). Описание новых таксонов Abstract. The genus Brachysomus Schoenherr, 1823 is revised. In the first part of the revision, 18 new species are described: B. (s. str.) simplex sp. n. (Macedonia), B. (s. str.) dubius sp. n. (Bosnia and Herze-govina), B. (s. str.) subtilis sp. n. (Serbia and Mon...

Alatavia zaslavskii sp. n., very closely related to A. hirta Korotyaev, 1998, is described from Kyrgyzstan.

The new genus Bosporomias gen. n. is erected for a single species, B. pruinosulus sp. n. from Taman Peninsula. The systematic position of the genus is unclear. The type species is similar to some representatives of the tribes Sciaphilini and Trachyphloeini, especially to those of the genus Brachysomus Schoenh., and bears some resemblance to species...

The new species Parameira baidarica sp. n., which is close to P. taurica Magn. et Os., is described. A key to the identification for all species of this genus and a review of the fauna of Ukraine are given.

New and Little-known Curculionoidea Species (Coleoptera, Curculionoidea) from Ukrainian Fauna. Yunakov N. N., Nazarenko V. Yu. – As the result of several years of collecting weevils in the Mountain Crimea and Carpathians, 9 species and 6 genera were recorded for the first time (Otiorhynchus (s. str.) aurifer Boheman, O. (Amosilnus) simulans Stierl...

The species Otiorhynchus babughanicus sp. n., close to O. infensus, is described. A key to identifying three Crimean species of the subgenus Pseudocryphiphorus is given.

The new species Otiorhynchus (Otismotilus) digitalis sp. n. form the Nakhichevan. Republic closely related to O. depressus Strl. is described.