Vitalii Alekseev

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• PhD Ecology
• Researcher at Immanuel Kant Baltic Federal University

A new extinct species of Palophaginae (Coleoptera: Megalopodidae), Lobanoviella lethebibens sp. nov., is described and illustrated based on inclusions in Eocene Baltic and Rovno ambers. This second species of the genus known from the European palaeofaunas can be distinguished by the larger and wider body, by the pronotal shape, elytral punctures ar...

The third fossil minute-clubbed beetle of the extant genus Europs Wollaston, 1854 (Coleoptera: Monotomidae), E. carsteni sp. nov., is described, diagnosed and illustrated from Eocene Baltic amber. This Palaeogene species can be distinguished from the known Eocene congeners by triangular femoral lines with long longitudinal linear extension produced...

A new extinct representative of the tribe Trogossitini, Ligaschonus succiniripae gen. et sp. nov., is described, diagnosed, and illustrated based on a well-preserved specimen from Eocene Baltic amber. The extinct beetle is compared with related extant genera of the tribe Trogossitini, from which the inclusion in Baltic amber can be distinguished by...

Phaenops gutowskii sp. nov. is described, diagnosed, and illustrated based on a well-preserved specimen from Baltic amber. This new extinct jewel beetle is compared with the Phaenops aerea species group in the Palaearctic as well as closely related congeners in the Nearctic Realm. Trophic association of the new Eocene buprestid with pine trees and...

[New and interesting local records of Coleoptera for the southern part of the Curonian Spit from materials collected during 2021—2024 are presented. Three species, Elaphropus quadrisignatus, Berosus signaticollis, and Tychius trivialis, are reported in the Kaliningard region for the first time. The formation process of wind-driven aggregations of b...

A new extinct genus of the tribe Hedobiini (Coleoptera: Ptinidae) from Baltic amber Vitalii Alekseev, Andris Bukejs Alekseev V., Bukejs A. 2024. A new extinct genus of the tribe Hedobiini (Coleoptera: Ptinidae) from Baltic amber. Baltic J. Coleopterol., 24(2): 223-230. A new extinct monotypic genus of Ptinidae, Carstenium kensbargense gen. et sp. n...

Eutriptus Wollaston, 1862 is a small histerid genus currently discontinuously distributed from the Canary Islands to the Himalayas. According to the last revision (Lackner & Kapler, 2007), the Recent fauna includes four valid species. As characterized by Lackner & Kapler (2007), the genus can be distinguished from the very similar and widely distri...

One new extinct genus and six new extinct species of Zopheridae are described and illustrated from Eocene Baltic amber: Usechus andrushchenkoi Alekseev et Bukejs sp. nov., Coxelus carstengroehni Alekseev et Bukejs sp. nov., Paha vanivanitatum Alekseev et Bukejs sp. nov., Lasconotus tenebrisilvarum Alekseev et Bukejs sp. nov., Helioctamenus groehni...

Altogether, 33 fossils of Chrysomelidae in species rank have been described from Baltic amber to date and assigned to nine subfamilies (e.g. Uhmann, 1939; Bukejs & Nadein, 2013, 2015; Bukejs, 2014, 2019; Biondi, 2014; Bukejs & Bezděk, 2014; Bukejs & Chamorro, 2015; Bukejs et al., 2023a; Bukejs & Schmitt, 2016; Legalov, 2016). Eumolpinae are represe...

The first extinct Paleogene species of the Anobiinae genus Nicobium LeConte, 1861 is described based on an inclusion in Baltic amber. Two characteristic features distinguishing the extinct species (among other characters present in one combination or another in extant species) are sparse, inconspicuous elytral pubescence and rectangular, sharp post...

Fossil Corylophidae are poorly known. Three fossil representatives of the family were described until now: one from mid-Cretaceous (Mesozoic) and two from Eocene (Cenozoic) deposits. We revise corylophid material from Baltic amber using X-ray micro-computed tomography (lCT) and describe two new species: Clypastraea venedorum n. sp. and C. groehni n...

Based on a single male specimen recently collected in the Yen Bai province (Vietnam), Allenus anthracinus Háva & Alekseev gen. et sp.n. is described as new for science, being illustrated and compared here with related genera belonging to the subfamily Piseninae within the family Tetratomidae. The new tetratomid genus may be separated from all other...

Simple Summary On the modern climate agenda, drained peatlands are considered ‘hotspots’ that are responsible for a significant share of anthropogenic greenhouse gas emissions. The solution to this problem is usually associated with peatland rewetting, which aims to restore natural mire communities and their peat accumulation functions. The process...

Based on an inclusion in Bitterfeld amber, the first extinct species of the subfamily Agnathinae (Pyrochroidae) is described and illustrated. Agnathus groehni sp. nov. differs from two extant congeners in having the smaller body size; transverse W-shaped groove near posterior pronotal margin; the unicolourous black body and the elytral pubescence u...

[Fourteen species of insects included in the regional Red Book were registered in the national partk "Curonian Spit"; three species among these insects are also listed in the Red Book of the Russian Federation. Eight species are recognized as priorities for monitoring: metapopulations of such species as Cicindela maritima, Carabus clathratus, Bupre...

Detailed faunistic data on species composition of the supertribe Bariditae in Lithuania, Latvia, and the Kaliningrad Region (Russia) is presented. A critical review of the literature data on this taxonomic group in the study area is made. In total, the presence of six species comprising four genera, Limnobaris dolorosa, L. t-album, Aulacobaris lepi...

Based on a well-preserved inclusion in Eocene Baltic amber (Kaliningrad region), Eocenobius praestigitator gen. et sp. nov. is described and illustrated as new to science. A key to species of the subfamily Ernobiinae of Baltic amber (10 species in 5 genera) is provided.

Based on a well-preserved specimen in Eocene Baltic amber, a new species Globicornis samlandensis sp. nov. (Coleoptera: Dermestidae) is described and illustrated. The new fossil species differs from extinct congeners in having antennomere 10 short and subtriangular with a rounded apex, and about as long as wide; while the pronotum and elytra are un...

Based on an inclusion in Baltic amber, the first extinct species of the genus Hyperisus Mulsant and Rey, 1863 (Ptinidae: Ernobiinae: Xestobiini), namely H. carstengroehni sp. nov. is described. This new fossil Eocene species differs from extant European congeners in having the dorsal pubescence of two types; the lesser body size; the abdominal vent...

A new species of silvanid flat bark beetle, Nausibius radchenkoi sp. nov., is described and illustrated based on a well-preserved inclusion in Eocene Rovno amber. It is the first fossil species of Nausibius, a cosmopolitan genus with representatives living worldwide today. The current finding confirms both the Eocene age of the genus and the presen...

Based on well-preserved specimen in Eocene Baltic amber, Atomaria (Anchicera) propinqua sp. nov. is described and illustrated. It is the sixth fossil species of Atomaria Stephens, 1829 reported from fossil resins. In addition, a new fossil record of A. (Anchicera) alekseevi Lyubarsky et Bukejs, 2022 from Baltic amber is presented.

A new malachite beetle, Baltamauroania mirabilicornis gen. et sp. nov., belonging to the tribe Amauroniodini (Coleoptera: Dasytidae) embedded in Eocene Baltic amber is described and illustrated. The new genus differs from the congeners of the tribe Amauroniodini in possessing a black, elongated, and subparallel body and a pronotum with scalloped la...

Two new extinct species of false skin beetles (Biphyllidae) are described and illustrated based on inclusions in Baltic amber: Biphyllus lar sp. nov. and Coelodiplus uuu-impressa gen. et sp. nov. The new Eocene fossils are compared with the related extant and extinct representatives of the family. A new monotypic genus is erected for one fossil; an...

A new malachite beetle, Baltamauroania mirabilicornis gen. et sp. nov., belonging to the tribe Am-auroniodini (Coleoptera: Dasytidae) embedded in Eocene Baltic amber is described and illustrated. The new genus differs from the congeners of the tribe Amauroniodini in possessing a black, elongate and subparallel body and a pronotum with scalloped lat...

A new species of the genus Cartorhynchites (Rhynchitini, Rhynchitina) is described from Baltic amber. Cartorhynchites groehni Legalov, Bukejs et Alekseev sp. n. differs from C. struvei Zherikhin, 1992 from the Miocene of Germany in its smaller body size (2.6 mm), strongly convex eyes, narrower pronotum and wide elytra, and dark brown legs. A new sp...

A new extinct species of the genus Europs Wollaston, 1854, E. groehni sp. nov. is described and illustrated based on one well-preserved inclusion in Baltic amber. This second Palaeogene species of the genus can be distinguished by the shape of antennomere 9; by the rectangular, rounded temples; by the presence of dorsal microreticulation; and by th...

Based on a single specimen in Eocene Baltic amber, Henoticus groehni sp. nov., the first extinct species of the genus, is described. The new species is studied and illustrated in detail using optical microphotography and X-ray micro-computed tomography. An additional congeneric specimen is discussed but not attributed to the species level. It is sh...

We present detailed faunistic data on species composition of the supertribe Bariditae in Lithuania, Latvia and the Kaliningrad region. Based on the data from local collections and databases, it has been confirmed that six species of Bariditae occur in the south-eastern Baltic region. These species are Limnobaris dolorosa, L. t-album, Aulacobaris le...

A new extinct monotypic genus of the ironclad beetles, Zopheromimus auriborussiensis gen. et sp. nov., is described and illustrated based on an inclusion in Baltic amber. The new Eocene fossil taxon is placed in Zopheromimini trib. nov., a new tribe within the subfamily Zopherinae, and compared with related extant beetles of the subfamily. The genu...

Based on a single specimen from Eocene Baltic amber, Donacia (Protodonacia) bienkowskii subgen. et sp. nov. is described and illustrated. The new species is studied and illustrated in detail using X-ray microcomputed tomography (μCT). It is the first described species of Donaciinae (Coleoptera: Chrysomelidae) from Baltic amber and from fossil resin...

A new cylindrical bark beetle, Synchita andrisbukejsi sp.n., based on an inclusion in Baltic amber, is described and figured. This confirms the presence of a representative of this extant genus in the Western Palaearctic during Paleogene. The occurrence of a representative of the Recent Xylariaceae-associated genus in Baltic amber indirectly indica...

The Coleoptera inclusions in Baltic amber deposited in the collection of the Kaliningrad Amber Museum are inventoried here. A total of 864 Baltic amber pieces with coleopteran inclusions, containing 913 specimens (863 adult and 50 larvae), were found. The identified 805 imagos of Coleo ptera belong to 59 families, and one additional family (Dytisci...

This paper presents the first faunistic review of species composition of the family Melandryidae in the Kaliningrad region. An annotated checklist (18 spp., 10 genera), including faunistic data, is given. Orchesia luteipalpis is recorded for Central European territories of Russia for the first time.

Based on a well-preserved specimen from Eocene Baltic amber, female of Revelieria groehni Sergi, Perkovsky et Reike, 2013 (Coleoptera: Latridiidae) is described and illustrated using X-ray micro-computed tomography (mCT). The sexual dimorphic characters of this species are briefly discussed.

Fossil silvanid flat bark beetles (Insecta: Coleoptera: Silvanidae) are briefly reviwed.

A new extinct handsome fungus beetle species of the extant Palaearctic genus Leiestes Chevrolat, L. tomaszewskae Alekseev and Bukejs sp. nov., is described from the Baltic amber. The new species is studied and illustrated in detail using X-ray micro-computed tomography (μCT). A list of described Endomychidae known from fossil resins (Baltic, Bitter...

A new genus and species of Eumolpinae, Eocenocolaspis aurichalceus gen. et sp. nov, is described and figured from the Eocene Baltic amber. This fossil taxon belongs to the group of Colaspis-like genera, and it is compared with related extant South American and Australian eumolpines. The studied inclusion possesses iridescent metallic colouration, r...

A new extinct handsome fungus beetle species of the extant Palaearctic genus Leiestes Chevrolat, L. tomaszewskae Alekseev and Bukejs sp. nov., is described from the Baltic amber. The new species is studied and illustrated in detail using X-ray micro-computed tomography (μCT). A list of described Endomychidae known from fossil resins (Baltic, Bitter...

Based on well-preserved specimen in Baltic amber (the Kaliningrad Region, Russia), a new polypore fungus beetle of the extant Holarctic genus Eustrophus Illiger, E. praecursor sp. nov. is described and illustrated. It is the first described Cenozoic member of the subfamily Eustrophinae. This fossil record expands the diversity of Tetratomidae known...

The false darkling beetle genus Wanachia Schulze, 1912 is recorded from Baltic amber for the first time. The new extinct species, Wanachia pinisucciniferae sp. nov., is described and compared with extant congeners. The occurrence of this Trichaptum-associated genus in Baltic amber can indirectly indicate the presence of these fungi (Agaricomycetes:...

The paper presents, for the first time, a review of species composition and distribution of the Spondylidinae Audinet-Serville, 1832 subfamily (Coleoptera: Cerambycidae) in the south-eastern Baltic region. A total of more than 600 records were analyzed and more than 800 specimens were examined. In this region, the subfamily is confirmed to be repre...

Austronausibius aenigmatista sp. nov., the first fossil silvanid beetle belonging to the Recent genus Austronausibius Halstead distributed in Australia and southern South America, is described from late Eocene Rovno amber. The new fossil species is illustrated and compared with related extant and morphologically close extinct taxa. A key to species...

Based on a single adult male specimen from Eocene Baltic amber, Isorhipis muonai sp. nov. is described and illustrated. The description of the new fossil and comparison with extinct and extant congeners is accompanied by a brief discussion on the possible climate and habitat preferences of the species.

800 species (in 71 families) of the order Coleoptera are registered for a forested area of c. 8 km2 in the northern Sambian Peninsula during a 20-year study (2001–2021). A preliminary list of beetles’ species of the Svetlogorsk Forest is presented which includes the only known locality in Kaliningradskaya Oblast for 12 coleopteran species (Hylis ol...

A new genus and species of Monotomidae, Rovnoeurops mckellari gen. et sp. nov., placed in the tribe Europini, is described and figured from Late Eocene Rovno amber. An extinct monotomid genus is documented in Cenozoic amber for the first time. Rovnoeurops gen. nov. can be distinguished from 27 extant genera of Europini by the combination of the fol...

A new extinct erotylid species of the extant Western Palaearctic genus Zavaljus Reitter, Z. lyubarskyi sp. nov., is described from Rovno amber. This fossil species represents the first report of this genus of the subfamily Xenoscelinae from the Eocene and the second known member of the genus. The new species is illustrated and compared with related...

Grzymalia wukong gen. et sp. nov. is described as the first named representative of Aderidae from the Mesozoic amber deposits, based on a single adult beetle inclusion in mid-Cretaceous Kachin amber, northern Myanmar (ca. 99 Ma). The new genus resembles several extant representatives of the tribe Euglenesini, with such characters as uniseriate elyt...

Archostematan species Cupes groehni Kirejtshuk, 2005 is recorded from Upper Eocene Rovno amber. It is the first record of the family Cupedidae from this Lagerstätte and the ninth coleopteran species common to Baltic and Rovno ambers. Specimen is examined and illustrated using X-ray micro-computed tomography (μCT).

Teredolaemus primigenius sp. nov. represents the first occurrence of Teredidae in Eocene Baltic amber and is the first documented fossil record of the family. The described and illustrated species is also the first formally described West Palaearctic member of the genus, extending the temporal range of the group into the Eocene (48–34 Ma). The glob...

Based on a well-preserved specimen from Eocene Baltic amber, the second species of extinct Aberrokorynetes is described and illustrated using X-ray micro-computed tomography. Three-dimensional models reconstructed from μCT data were used to assist in the description of Aberrokorynetes oceanojubilaei sp. nov. (Cleridae: Korynetinae). The extinct gen...

A new fossil species of the silvanid flat bark beetle genus Cathartosilvanus Grouvelle is described and illustrated from Upper Eocene Rovno amber. Cathartosilvanus perkovskyi sp. nov. resembles extant C. opaculus (LeConte, 1854) and differs from extinct congeners from Baltic amber in pronotal lateral sides crenulate, pronotum as long as wide, and e...

Two fossil species of the tribe Petaliini tentatively assigned to the extant American genus Petalium LeConte, P. bruteno sp. nov. and P. widewuto sp. nov., are described from Baltic amber. The data illustrates and indicates the presence of the tribe in the amberiferous forests that once occupied the territories of the eastern Baltic region and thus...

Based on material originating from five amber collections of Eocene Baltic amber, Protostomopsis pandema gen. et sp. nov. is described and illustrated using X-ray micro-computed tomography. It is the first formally described extinct species of Cerylonidae, and the first known Palaearctic representative of the subfamily Ostomopsinae. As such, the ne...

Это издание: про янтарь, которым славится Балтийское море; про инклюзы, которые бывают в янтаре, которым славится Балтийское море; про древних жуков, которые попадаются среди инклюзов, которые бывают в янтаре, которым славится Балтийское море; про современных родственников древних жуков, которые попадаются среди инклюзов, которые бывают в янтаре, к...

In the current paper, 26 beetles species, Hydrovatus cuspidatus (Kunze, 1818), Platylomalus complanatus (Panzer, 1797), Hydrochus ignicollis Motschulsky, 1860, Potamophilus acuminatus (Fabricius, 1792), Agrilus suvorovi Obenberger, 1935, Hylis cariniceps (Reitter, 1902), H. olexai (Palm, 1955), Caenoscelis fleischeri Reitter, 1889, Abdera affinis (...

A new extinct species of the genus Xyletinus Latreille, 1809, namely X. (s. str.) lobanovi sp. n., is described and illustrated from Eocene Baltic amber. This new extinct species resembles X. carsteni Háva et Zahradník, 2020 but differs from it in the dull, not shiny pronotum and elytra, uniformly rufous body and appendages and the lesser body size...

Acritus sutirca sp. nov. is described and illustrated from Eocene Baltic amber on the basis of one adult male specimen. As the first extinct member of the subfamily Abraeinae (Histeridae) and the smallest known fossil histerid specimen, this material was examined using a combination of light microscopy and X-ray micro-computed tomography (µCT). Int...

Based on a well preserved female specimen from Bitterfeld amber, Monolepta rappsilberi sp. nov. is described and illustrated using X-ray micro-computed tomography (μCT). It is the second reported member of Chrysomelidae from this fossil resin and the first described fossil Monolepta representative. The fossil species represents a lineage that is ex...

Six new extinct representatives of the family Melandryidae, namely Electroxylita chronographica gen. et sp. nov., Madelinia capillata sp. nov., Microscapha kugelanni sp. nov., Phloiotrya inmarinata sp. nov., Symphora pollocki sp. nov., and S. glaesonauta sp. nov. are described from inclusions in Eocene Baltic amber. Twenty-eight additional fossil s...

A study of Baltic amber revealed a new fossil species of the genus Bacanius LeConte, 1853. Bacanius gorskii sp. nov. differs from the congener described previously from Eocene Rovno amber, B. kirejtshuki Sokolov and Perkovsky, in the shape of meso-metaventral suture, incomplete subhumeral stria, and the impunctate prosternal lobe (urn:lsid:zoobank....

Chelonariidae, or turtle beetles, are rarely represented in the fossil record. Two new extinct species of this thermophilous coleopteran family, Chelonarium andabata Alekseev and Bukejs sp. nov. and Ch. dingansich Alekseev and Bukejs sp. nov., are described and illustrated from Eocene Baltic amber using X-ray micro-computed tomography (micro-CT). T...

The paper presents the first review of the composition and distribution of the species Lepturinae Latreille, 1802 subfamily (Coleoptera: Cerambycidae) in the southeastern Baltic region. A total of more than 3,000 records have been analyzed and more than 4,600 specimens collected since 1888 have been examined. The subfamily is confirmed to be repres...

A new species and genus of polypore fungus beetle, Elasontagius dorbnickensis gen. et sp. nov., is described and illustrated, representing the second formally described species of Tetratomidae from Eocene Baltic amber. This new extinct polypore fungus beetle belongs to the subfamily Hallomeninae and clearly differs from other representatives in abs...

A new extinct monotypic genus and species of the cylindrical bark beetles, Semicoxelus sontagae gen. et sp. nov., is described and figured based on an inclusion in Baltic amber. The new representative from the Eocene is classified within the synchitine tribe and placed near the morphologically close extant genera, including Coxelus Dejean, Diodesma...

A new extinct monotypic genus of the false darkling beetles, Madelinia gedanoposita gen. et sp. nov., is described and illustrated based on an inclusion in Baltic amber. The new taxon from a northern European Eocene forest is compared with the morphologically similar extant beetles as well as fossil melandryid beetles found in Baltic amber. The spe...

Europoeurypus inglaeso gen. et sp. nov. is described from Eocene Baltic amber found on the Sambian Peninsula, Kaliningrad Region, Russia. Four additional specimens of mycterid beetles from collections of Baltic amber are reported. The secondary sexual characters and sexual dimorphism in the Eocene representatives of the genus Omineus Lewis, 1895 ar...

New longhorn beetle taxon, Acanthoglyptus picollus gen. et sp. nov., is described and figured from Baltic amber found in the Baltic Sea coast, Yantarny settlement, Kaliningrad Region, Russia. The new amber inclusions presented here prove the occurrence of the tribe Anaglyptini in the 'Baltic amber forest', giving this group at least a Palaeogene ag...

A male representative of the extinct species Calomicrus eocenicus Bukejs et Bezděk, 2014 (Chrysomelidae: Galerucinae) is found and described for the first time from Eocene Baltic amber using X-ray microtomography. The aedeagus is well preserved within the body cavity of the specimen, and it is illustrated in detail. This fossil species exhibits dis...

Based on two specimens originating from Eocene Rovno and Baltic ambers, Attagenus (Aethriostoma) gedanicissimus sp. nov. is described, illustrated and compared with the related fossil Mesozoic species A. (Aethriostoma) turonianensis Peris et Háva, 2016. The common beetle species for Baltic and Rovno ambers suggests the exceptional temporal and geog...

A new species of Mycetophagidae belonging to the genus Litargus, namely L. (Litargosomus) dantiscensis Alekseev, Kupryjanowicz et Bukejs sp. nov., is described and figured from Eocene Baltic amber using X-ray micro-computed tomography (μCT). Three additional specimens of a mycetophagid beetle that is rather common in Baltic amber, Crowsonium succin...

Two remarkable records of Cotaster cuneipennis (Aubé, 1850) in the Baltic Sea area and critical comments on the current tax-onomy. Two new localities of Cotaster cuneipennis (Aubé) are reported. The sites of the populations are located far outside of the hitherto known range of the species: the Frauenholz forest in Schleswig-Holstein (northern Germ...

Based on a well-preserved specimen from Eocene Baltic amber, a new weevil – Baltacalles triumurbium gen. et sp. nov. – is described and illustrated. The new fossil genus is similar to the extant Acalles Schoenherr, 1825 but differs from it in the denticulate femora, abdominal ventrites 1–2 combined about 2.8 times as long as ventrites 3–4 combined,...

Holoparamecus (Blumenus) hoffeinsorum Reike & Alekseev sp. nov. and H. (Blumenus) paschalis Reike & Alekseev sp. nov., two fossil representatives of the family Merophysiidae, are described on the basis of specimens from Bitterfeld and Baltic amber. The newly described species are illustrated and compared with related extant representatives of the g...

30 Coleoptera species are recorded from Kaliningradskaya Oblast, Russia. Ten species are reported for the first time, one of which, Leiopus femoratus, is expanding the areal from long distance, and two, Phaleria cadaverina and Trachys fragariae, from short range; four species, Lopheros rubens, Isorhipis marmottani, Ischnomera cyanea and Anaesthetis...

The first fossil representative of Eledonoprius Reitter, E. incoronatus sp. nov., is described from Eocene Baltic amber. The genus is associated with old-growth forests in the modern Western Palaearctic Region and apparently has persistent in this Region since the Paleogene.

A new fossil species of the silvanid flat bark beetle, Airaphilus simulacrum Alekseev, Bukejs et McKellar sp. nov. (Coleoptera: Silvanidae) is illustrated and described based on two specimens from Eocene Baltic amber. A second specimen of the confamilial fossil taxon Mistran ot Alekseev et Bukejs, 2016 is reported and imaged using synchrotron X-ray...

The Mycetophagidae (hairy fungus beetles) and Tetratomidae (polypore fungus beetles) of the Kaliningrad Region (Russia) are reviewed. Nine species in the genus Mycetophagus, two species in Tetratoma and Hallomenus, and single species Litargus, Triphyllus, Typhaea and Eustrophus are known in the region. Distributional records of the studied beetles...

A new fossil species of the silvanid flat bark beetle genus Cathartosilvanus Grouvelle is described and illustrated from Baltic amber. Cathartosilvanus siteiterralevis sp. nov. differs from recent and fossil congeners in the distinct, sharp denticle found along its posterior pronotal angle. The phenomenon of specific body parts becoming disconnecte...

Baltic amber forms the largest known Konservat-Lagerstätte of fossil plant resin and the richest repository of fossil insects of any age on Earth. Despite a long history of palaeobiological research of Baltic amber (over 200 years) and really intensive taxonomic study in the last decade, many interesting and new bioinclusions await scientific atten...

A new Cretaceous fossil beetle Mysteriomorphus pelevini gen. et sp. nov. is described from Burmese amber and a new family Mysteriomorphidae fam. nov. is proposed to accommodate this new taxon. The new monogeneric family is characterised by a combination of characters present in different lineages of Elateroidea and Byrrhoidea (Ptilodactylidae) and...

A new taxon, found in Eocene Baltic amber, Samlandotoma seidlitzi gen. et sp. nov., is interpreted as a primitive wedge-shaped beetle, described, illustrated and compared with the morphologically close extant and fossil relatives of the Pelecotominae subfamily. The images of “Ripidius” primordialis Stein, 1877 are presented as additional fossil rec...

Third extinct species of the extant genus Xyletinus Latreille, 1809 is figured and described from Baltic amber. A key to fossil species of Xyletinus is provided.

The holotype of Dignomus regiomontanus Alekseev, 2014, from the Eocene Baltic amber (Tertiary, Paleogene), is re-examined and re-described. Dignoptinus gen. nov. is proposed to place this species. Bruchoptinus Reitter, 1884, and Pseudoptinus Reitter, 1884, described as subgenera of Ptinus Linnaeus, 1767, are the closest relatives of the new fossil...

New species of the genus Xyletinus Latreille, 1809, namely X. (s.str.) besseli sp. nov. and X. (s.str.) barsevskisi sp. nov., from Eocene Baltic amber, are described and illustrated.

Waidelotus hoffeinsorum gen. et sp. nov. is described from Eocene Baltic amber and assigned to Waidelotinae subfam. nov. within family Pyrochroidae (Coleoptera). The new subfamily differs from the other subfamilies by the following combination of features: penultimate tarsomere of all tarsi deeply bilobed, antepenultimate tarsomere of each pro-and...

A list of 74 identified coleopteran inclusions in Eocene Baltic amber from Friedhelm Eichmann’s collection is presented. A new extinct species of Leiodidae, Anisotoma antediluviana sp. nov., a new extinct species of Lampyridae, Photinus kazantsevi sp. nov., and a new extinct species of Salpingidae, Sphaeriestes eichmanni sp. nov., as well the first...

Damzenia groehni gen. et sp. nov., preserved in Baltic amber is described as the first fossil representative of the tribe Gempylodini (Zopheridae: Colydiinae). In addition to the typical general characters of zopherids and colydiines, the newly described beetle possesses the unique tarsal formula 4-5-4 and distinct subcoxal lines on the metaventrit...

[Field light-trapping on the territory of the national park “The Curonian Spit” (samples at the territory of the field ornithological station “Fringilla”) in 2018 provided rich material of the beetles. Totally 10719 specimens of Coleoptera identified as belonging to 173 species from 118 genera and 30 families were caught in an ecotone zone between...

Zootaxa 4550 (4): 565-572 https://www.mapress.com/j/zt/ Article 565 https://doi.org/10.11646/zootaxa.4550.4.6 http://zoobank.org/urn:lsid:zoobank. Abstract Based on a well-preserved specimen from Eocene Baltic amber, the second fossil species belonging to the genus Pycno-merus Erichson (Coleoptera: Zopheridae: Zopherinae), P. agtsteinicus Bukejs, A...

Two new species of Eurypinae (Coleoptera: Mycteridae) are described from Eocene Baltic amber from the Kaliningrad Region, Russia: Glesoconomorphus nachzehrer gen. et sp. nov. and Omineus febribilis sp. nov. The first new fossil taxon displays affinity to recent members of the Neotropical Conomorphus-Stilpnonotus lineage, and the second species was...

A check-list of scarabaeoid beetles (Lucanidae, Trogidae, Geotrupidae, Bolboceratidae and Scrabaeidae) of Kaliningrad Region (south-eastern Baltic Sea coast) is provided and briefly commented for each species. At present the list includes 98 species, from which 69 species are registered in the Region in last 30 years (Lucanidae – 6 spp., Trogidae –...

Dignomus francescovitalii sp. nov. is described and illustrated based on a well-preserved specimen from Eocene Baltic amber. This new extinct species is placed into D. irroratus species-group. The distribution of the genus Dignomus including fossil records is mapped.

Abstract Fossil records of Scarabaeidae in Eocene amber deposits are scarce. Previously, only three species were known from Bal-tic amber. Based on well-preserved specimens, an additional extinct species of Eupariini (Coleoptera: Scarabaeidae: Aph-odiinae), Ataenius damzeni Bukejs & Alekseev, new species is described and illustrated from this Lager...

Five new genera and eight new species of handsome fungus beetles of the superfamily Coccinelloidea are described and imaged from Baltic and Bitterfeld amber: Gramboale prutenorum gen. et sp. nov., Kleinzaches germanicianus gen. et sp. nov., Palaecoryphus viktori gen. et sp. nov., Giltine ampeensis gen. et sp. nov., Symbiotes borussiaeorientalis sp....

The conservation of biodiversity is one of main tasks of zoological gardens. Except breeding and investigation of the invertebrates in captivity, the zoos can take immediate part in protection of the habitats of rare and threatened native invertebrates in its territories. During 2010-15, three included in the Red Data Book of the Kaliningrad region...