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The Coleopterists Society
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International Society for the study of beetles.
Publisher of The Coleopterists Bulletin
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#LiteratureNotice Teixeira et al. The first description of sperm conjugation in Noteridae (Adephaga: Coleoptera) with information on the male reproductive tract of #Liocanthydrus mecespilus Guimarães & Ferreira-Jr, 2015 doi.org/10.1016/j.ti... #Beetle #Beetles
Fig. 1. Male of the L. mecespilus and its reproductive system. A, B) Dorsal and ventral views, the latter showing the stripes on the elytra that characterize the species. C, D) Male reproductive system and diagram, respectively. E) Detail of the accessory glands (ag) and the junction of their respective ducts with the vas deferens (vd). T, testes; vs, seminal vesicles; ej, ejaculatory duct. Scale bars: A-C= 0.5 mm; D-E = 250 µm.
January 25, 2026 at 1:51 AM
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#LiteratureNotice Lü & Zhang. Four new species of the genus #Tasactes Faust, 1894 (Coleoptera, Curculionidae, Dryophthorinae) from China doi.org/10.3897/zook... #Beetle #Beetles #weevils #newspecies
Tasactes angustus sp. nov., holotype male. A. Dorsal habitus; B. Lateral habitus; C. Head, dorsal view; D. Head, lateral view; E. Eyes, ventral view; F. Pronotum, dorsal view; G. Ventrites, ventral view; H. Penis, lateral view; I. Penis, ventral view; J. Penis at apex, showing details of the pedon; K. Spiculum gastrale. Scale bars: 1 mm (A–D, F, G); 0.5 mm (H, I, K).
January 25, 2026 at 1:49 AM
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#LiteratureNotice Parker et al. Evolution of leafcutter ant myrmecophiles: #Hamotus heidiae, a new symbiont of Acromyrmex colonies with undetectable hydrocarbons (Coleoptera: Staphylinidae: Pselaphinae) doi.org/10.1007/s000... #Beetle #Beetles #leafcutterants #rovebeetles #symbiosis
Hamotus heidiae gen. et sp. nov. A Dorsal habitus of holotype male. B Lateral habitus of holotype male. C Schematic of meso-metaventrite with foveae indicated. LMSF: lateral mesoventral fovea; MMSF: median mesoventral fovea; LMCF: lateral mesocoxal fovea; MMTF: median metaventral fovea. The circular notch of the metaventral apex between metacoxae is indicated. D Aedeagus, lateral view. E Aedeagus, dorsal view
January 25, 2026 at 1:43 AM
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#LiteratureNotice Besana et al. Multi-colored traps can enhance monitoring programs for native and non-native longhorn beetles in forest ecosystems doi.org/10.1016/j.fo... #Beetle #Beetles #longhornbeetles #Cerambycidae
Image depicting black, red, white, and yellow traps.
January 23, 2026 at 4:13 AM
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#LiteratureNotice Watanabe & Hayashi. Description of the larva of #Cybister (Melanectes) brevis Aubé, 1838 (Coleoptera, Dytiscidae, Cybistrinae) doi.org/10.3897/zook... #Beetle #Beetles #waterbeetle
Cybister (Melanectes) brevis Aubé, 1838. 1. Instar I; 2, 3. Instar II; 4, 5. Instar III.
January 23, 2026 at 4:10 AM
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#LiteratureNotice Nascimento et al. Morphology of the male reproductive system and sperm of #Discodon minutum Pic, 1928 (Coleoptera: Cantharidae) doi.org/10.1016/j.mi... #Beetle #Beetles #soldierbeetle
Discodon minutum reproductive system
January 23, 2026 at 4:04 AM
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#LiteratureNotice Woodley. A New Species of #Metasambus Kerremans from the Philippines (Coleoptera: Buprestidae) doi.org/10.4289/0013... #Beetle #Beetles #newbeetle
January 21, 2026 at 1:33 AM
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#LiteratureNotice Lee. The genus Batophila Foudras, 1860 (Coleoptera, #Chrysomelidae, Galerucinae, Alticitae) in Taiwan, with descriptions of 11 new species. doi.org/10.3897/zook... #Beetle #Beetles
igure 1. Type specimens and labels A. Batophila acutangula Heikertinger, 1921, lectotype, dorsal view; B. Ditto, lateral view; C. Labels pinned with lectotype; D. B. taiwanica Döberl, 2010, holotype, dorsal view; E. Ditto, lateral view; F. Labels pinned with holotype.
January 21, 2026 at 1:30 AM
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#LiteratureNotice Li et al. Serrathroscinus, a new genus of #Cephalobyrrhinae from mid-Cretaceous Kachin amber (Coleoptera: Limnichidae) www.researchgate.net/publication/... #Beetle #Beetles #amber #cretaceous
Figures 1–2. General habitus of Serrathroscinus majaechi gen. et sp. nov., holotype, NIGP207074, under incident light: (1) dorsal view; (2) ventral view. Scale bars: 1 mm.
January 21, 2026 at 1:15 AM
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#LiteratureNotice Ferracini et al. Sexual Size Dimorphism Depends Drastically on Environment: The Case Study in Ground Beetles doi.org/10.3390/inse... #Beetle #Beetles #dimorphism #groundbeetle
The scheme of measurements in C. granulatus. EL—Elytra length: distance between the posterior end of scutellum and the terminus of right elytron (if the right elytron is not intact, the left one may be used). EW—Elytra width: distance between the anterior-distal corners of the elytra. PL—Pronotum length: measured along the central furrow of the pronotum. PW—Pronotum width: distance between the two posterior corners. HL—Head length: distance between the labrum and the juncture of the occiput and postgena. DE—Dorsally measured interocular distance between inner margins.
January 18, 2026 at 2:22 AM
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#LiteratureNotice Gómez-Vicioso et al. Testing conflicting taxonomic hypotheses in myrmecophilous #Oochrotus Lucas, 1852 (Coleoptera, Tenebrionidae) doi.org/10.3897/zook... #Beetle #Beetles #taxonomy
Bayesian phylogenetic hypothesis based on a. cytb mitochondrial data and b. ITS2 nuclear data. The colours represent the different lineages recovered in the study and their distribution on the map: Oochrotus lusitanicus in the Iberian Peninsula (orange), O. laurae in Italy (pink) and O. unicolor in North Africa
January 18, 2026 at 2:20 AM
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#LiteratureNotice Cutler & Guarisco.Discovery of the Larvae of Anthrenus (florilinus) castaneae Melsheimer 1844 (Coleoptera: #Dermestidae) Associated with Spider Egg Sacs and Retreats doi.org/10.1660/062.... #Beetle #Beetles #ecology
Larva of A. castanae in head down position (above eggs at about 11 o'clock), in opened Agelenopsis pennsylvanica egg sac under dead cottonwood bark. Larva ∼3.5 mm long.
January 16, 2026 at 7:31 AM
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#LiteratureNotice Decker & Biedermann.On the biology, history and forestry-related role of the ambrosia beetle #Platypus cylindrus (Fabricius, 1792), commonly known as the oak pinhole borer (Coleoptera: Curculionidae: Platypodinae) doi.org/10.3897/cont... #Beetle #Beetles #oakpinholeborer #Quercus
Dorsal and ventral annotations of the anatomy of P. cylindrus. Male - dorsal view (top); female - dorsal view (middle); female - ventral view (bottom) (Figure: M. H. Decker).
January 14, 2026 at 6:08 AM
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#LiteratureNotice Huang & Gu. Taxonomic notes on the little-known genus Metahelotella Kirejtshuk (Coleoptera, Cucujoidea, Helotidae) from southwestern China, with description of a new species and two new records doi.org/10.3897/zook... #Beetle #Beetles
Metahelotella alatonotata sp. nov. A. Holotype, ♂, dorsal view; B. Ditto, ventral view; C. Paratype, ♀, dorsal view; D. Holotype, ♂, mentum; E. Ditto, protibia; F. Ditto, teeth on elytral apices; G. Paratype, ♀, teeth on elytral apices. Scale bars: 2 mm (A, B, C); 0.5 mm (D, E, F, G).
January 13, 2026 at 9:42 PM
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#LiteratureNotice Lü & Zhang. Four New Species and One New Record of Stromboscerini (Coleoptera, Curculionidae, Dryophthorinae) from China doi.org/10.3390/inse... #Beetle #Beetles
Allaeotes niger, holotype male. (A) Dorsal habitus; (B) Lateral habitus; (C) labels. Scale bars: 1 mm (A,B).
January 13, 2026 at 9:41 PM
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#LiteratureNotice Giraldo-Mendoza et al. Systematic revision and phylogenetic analysis of the Peruvian species of the genus Psectrascelis Solier (Coleoptera: #Tenebrionidae: Nycteliini) doi.org/10.1016/j.jc... #Beetle #Beetles
Figure 1. Dorsal habitus of Psectrascelis laevigata species group: a) P. politicollis, b) P. sacratus, c) P. claudiavelizae, d) P. laevigata huayruro, e) P. laevigata, f) P. yanatulti.
December 30, 2025 at 9:36 PM
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#LiteratureNotice Rivera-Duarte et al. The Bolboceratidae, Geotrupidae (Coleoptera, Scarabaeoidea), and #Scarabaeinae (Coleoptera, Scarabaeoidea, Scarabaeidae) fauna of Honduras: Taxonomy and distribution doi.org/10.3897/zook... #Beetle #Beetles
Habitus. A. Haplogeotrupes guatemalensis tridentatus, Parque Nacional Montaña de Celaque, Departamento de Lempira; B. Canthon chiapas, Refugio Hábitat/Especie Colibrí Esmeralda Hondureño (Olanchito), Departamento de Yoro; C. Canthon sallei, Refugio Hábitat/Especie Colibrí Esmeralda Hondureño (Olanchito), Departamento de Yoro; D. Canthon sallei, Brus Lagunas, Rio Platano Biosphere Reserve; E. Canthon spinosus, Agua Chiquita, Departamento de Atlántida; F. Deltochilum scabriusculum, Parque Nacional Sierra de Agalta, Departamento de Olancho. Scale bar: 2 mm.
December 30, 2025 at 9:35 PM
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#LiteratureNotice Harano et al.Oviposition-depth selection in a soil-dwelling beetle #Dasylepida ishigakiensis (Coleoptera: Scarabaeidae) doi.org/10.1007/s426... #Beetle #Beetles
Photographs showing a 100-cm-long tube opened to check the depths at which the Dasylepida ishigakiensis adults were located (A) and those found at various depths (B). Adults found at the bottom of a tube are shown in (C). Triangles in (B) and (C) indicate beetles
December 30, 2025 at 9:14 PM
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The latest issue of #TheColeopteristsBulletin is now out!!!

bioone.org/journals/the...
December 30, 2025 at 8:54 PM
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#LiteratureNotice Huang et al. Phylogeny and evolutionary history of the tribe Scymnini Mulsant, 1846 (Coleoptera: #Coccinellidae) based on a multi-locus dataset, with emphasis on the Asian lineage doi.org/10.1016/j.ym... #Beetle #Beetles
Fig. 1. Larvae, pupae and adults of Scymnini in their natural habitat. (a–c) Scymnus (Pullus) quadrillum—larva, pupa, and adult; (d–f) Clitostethus brachylobus—larva, pupa, and adult; (g–i) Axinoscymnus pingxiangicus—larva, pupa, and adult; (j–l) Nephus (Nephus) ryuguus—larva and adults.
December 28, 2025 at 8:25 AM
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#LiteratureNotice Jiang et al. Additional new species of the genus #Zaitzevia (Coleoptera, Elmidae) from China with an updated key to species from mainland China doi.org/10.3897/zook... #Beetle #Beetles #newbeetle
Dorsal habitus of Zaitzevia species, males. A. Zaitzevia fodingshanus sp. nov., holotype; B. Zaitzevia lipingae sp. nov., holotype. Scale bar: 1 mm.
December 28, 2025 at 8:21 AM
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#LiteratureNotice Schafstall et al. First Records of Beetle Fauna (Insecta: Coleoptera) from Late Glacial Sediments of Lithuania: Novel Environmental Reconstructions doi.org/10.3390/d171... #Beetle #Beetles #fossil #paleoecology
Figure 6. Discovered beetle remains from the Late Glacial Lithuanian outcrops that are currently absent in Lithuania but common in Scandinavia. For Pycnoglypta lurida (A), Arpedium brachypterum (B), Otiorhynchus nodosus (C), and Agabus arcticus (D), the subfossil remains identified in this study, a modern specimen, and the modern distribution according to GBIF [62,63,64,65] are shown. Red crosses indicate the locations from which the subfossil remains were identified.
December 28, 2025 at 8:20 AM
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#LiteratureNotice Giraldo-Mendoza. Five new species of Pilobalia Burmeister, 1875 (Coleoptera: #Tenebrionidae) from Peruvian Andes doi.org/10.12976/jib... #Beetle #Beetles #newbeetle #Pilobalia #darklingbeetle
New species of darkling beetles
December 23, 2025 at 8:41 AM
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#LiteratureNotice Lewis et al.A Japan-focused review of East Asian Acicnemis Fairmaire, 1849 (Coleoptera, #Curculionidae) reveals cryptic diversity in a well-studied region doi.org/10.3897/zook... #Beetle #Beetles
Acicnemis albofasciata (Ter-Minasian, 1953) (JHL_AREV_781). A. Lateral; B. Dorsal. Scale bar: 1 mm.
December 23, 2025 at 8:39 AM
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#LiteratureNotice Anderson. Classification changes in Nearctic Byrsopagini (Coleoptera: Curculionidae: Entiminae) doi.org/10.64338/im.... #Beetle #Beetles #Pseudorimus
Figures 42–50. Trichalophus species. 42–44) Trichalophus alternatus (Say, 1832), holotype unsexed. 42) Lateral habitus. 43) Dorsal habitus. 44) Specimen labels. 45–47) Trichalophus arcuatus Fall, 1907, holotype unsexed. 45) Lateral habitus. 46) Dorsal habitus. 47) Specimen labels. 48–50) Trichalophus nevadensis (Van Dyke, 1938), holotype unsexed. 48) Lateral habitus.49) Dorsal habitus. 50) Specimen labels.
December 23, 2025 at 8:36 AM