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154 results for “stag beetle”
Figures 1–6 in Two new species of stag beetles (Coleoptera: Lucanidae) from western Yunnan, China
Figures 1–6. Habitus illustrations of Himaloaesalus gaoligongshanus n. sp. under same scale. 1–3) Holotype, male. 4–6) Paratype, female. 1, 4) Dorsal view. 2, 5) Ventral view; 3, 6) Lateral view. Figures 7–8. Head illustrations of Himaloaesalus gaoligongshanus n. sp. in dorsal view. 7) Paratype, male. 8) Paratype female.
Figures 44–46 in Two new species of stag beetles (Coleoptera: Lucanidae) from western Yunnan, China
Figures 44–46. Habitus illustrations of males under same scale. 44) Dorcus apatani from NE India. 45) Dorcus yongreni n. sp., holotype. 46) Dorcus yongreni n. sp., paratype. Figure 47. Habitus illustration of Dorcus yongreni n. sp., paratype, female. Figures 48–50. Mentum of male. 48) Dorcus apatani from NE India. 49–50) Dorcus yongreni n. sp. Figures 51–52. Aedeagus in ventral view under same scale. 51) Dorcus apatani from NE India. 52) Dorcus yongreni n. sp., holotype. Figures 53–55. Flagellum flattened in full-face view under same scale. 53) Dorcus apatani from NE India. 54–55) Dorcus yongreni n. sp. Red arrows indicating the differences between the two species.
Figures 22–37 in Two new species of stag beetles (Coleoptera: Lucanidae) from western Yunnan, China
Figures 22–37. Aedeagi of Himaloaesalus species in left lateral, dorsal, right lateral and ventral views. 22–25) H. saburoi, specimen from Zhangmu, Tibet. 26–29) H. saburoi, specimen from Zhangmu, Tibet. 30–33) H. himalayicus, specimen from Yadong, Tibet. 34–37) H. satoi, specimen from Daweishan, SE Yunnan. Figures 38–43. Female genitalia of Himaloaesalus species. 38) H. himalayicus, specimen from Yadong, C Tibet. 39) H. saburoi, specimen from Zhangmu, Tibet. 40) H. zhejiangensis, specimen from Wuyishan, Fujian. 41–43) H. satoi. 41) Specimen from Fanjingshan, Guizhou. 42) Specimen from Daozhen, Guizhou. 43) Specimen from Daweishan, SE Yunnan. Abbreviations: mo, median oviduct; bc, bursa copulatrix; sd, spermathecal duct; s, spermatheca; sg, spermathecal gland; ag, accessory gland; se, sclerite at entrance of bursa copulatrix.
Figures 33–37. Species distributions. 33 in Revision of the endemic Madagascan stag beetle genus Ganelius Benesh, and description of a new, related genus (Coleoptera: Lucanidae: Lucaninae: Figulini)
Figures 33–37. Species distributions. 33) Ganelius madagascariensis. 34) G. oberndorferi. 35) G. gnamptus. 36) G. zombi. 37) Agnelius nageli.
Figures 21-25. Lateral view, males. 21 in Revision of the endemic Madagascan stag beetle genus Ganelius Benesh, and description of a new, related genus (Coleoptera: Lucanidae: Lucaninae: Figulini)
Figures 21-25. Lateral view, males. 21) Ganelius madagascariensis. 22) G. oberndorferi. 23) G. gnamptus. 24) G. zombi. 25) Agnelius nageli.
Figures 28–32 in Revision of the endemic Madagascan stag beetle genus Ganelius Benesh, and description of a new, related genus (Coleoptera: Lucanidae: Lucaninae: Figulini)
Figures 28–32. Comparison of ocular canthi, females. 28) Ganelius madagascariensis. 29) G. oberndorferi. 30) G. gnamptus. 31) G. zombi. 32) Agnelius nageli.
Figures 17–20 in Revision of the endemic Madagascan stag beetle genus Ganelius Benesh, and description of a new, related genus (Coleoptera: Lucanidae: Lucaninae: Figulini)
Figures 17–20. Agnelius nageli (Kriesche, 1926). 17) Male neotype, dorsal habitus. 18) Female, dorsal habitus. 19) Neotype labels. 20) Male genitalia, flagellum, <20 mm.
Figures 26–27 in Revision of the endemic Madagascan stag beetle genus Ganelius Benesh, and description of a new, related genus (Coleoptera: Lucanidae: Lucaninae: Figulini)
Figures 26–27. Comparison of male mandibles. Arrows indicate relative position of dorsal basal teeth and median denticles. 26) Ganelius madagascariensis. 27) G. oberndorferi.
Figures 5–8 in Revision of the endemic Madagascan stag beetle genus Ganelius Benesh, and description of a new, related genus (Coleoptera: Lucanidae: Lucaninae: Figulini)
Figures 5–8. Ganelius oberndorferi (Nonfried, 1892). 5) Male neotype, dorsal habitus. 6) Female, dorsal habitus. 7) Neotype labels. 8) Male genitalia, flagellum, 41 mm.
Figures 1–4 in Revision of the endemic Madagascan stag beetle genus Ganelius Benesh, and description of a new, related genus (Coleoptera: Lucanidae: Lucaninae: Figulini)
Figures 1–4. Ganelius madagascariensis (Laporte, 1840). 1) Male lectotype, dorsal habitus. 2) Female, dorsal habitus. 3) Lectotype labels. 4) Male genitalia, flagellum ~ 60 mm.
Figures 1-3 in A new species of stag beetle (Coleoptera: Lucanidae) from California
Figures 1-3. Species of Platyceroides. 1) Platyceroides potax, new species. 2) P. opacus (Fall). 3) County distributions of P. potax n.sp. (orange) and P. opacus (blue) in California.
The smallest stag beetles (Coleoptera, Lucanidae): hidden paleodiversity in mid-Cretaceous Kachin amber from northern Myanmar
<p>The original figure plates and associated images of the fossil specimens used in the study.</p> <p><strong>Yamamoto, S.</strong> (2023) The smallest stag beetles (Coleoptera, Lucanidae): hidden paleodiversity in mid-Cretaceous Kachin amber from northern Myanmar. <em><strong>Evolutionary Systematics</strong></em>, 7(2): 211–235. (doi: 10.3897/evolsyst.7.104597).</p> <p>URL: <a href="https://evolsyst.pensoft.net/article/104597/">https://evolsyst.pensoft.net/article/104597/</a></p> <p> </p> <p><strong>Abstract</strong></p> <p>The fossil record of stag beetles (Lucanidae), especially in Mesozoic amber, is sparse. Four additional fossil lucanids preserved in mid-Cretaceous Kachin amber from northern Myanmar are here reported. All of these species are included in the primitive subfamily Aesalinae, and have been identified as: <em>Protonicagus mandibularis</em> <strong>sp. nov.</strong> (tribe Nicagini); <em>Cretognathus minutissimus</em> <strong>gen. et sp. nov.</strong> (tribe Ceratognathini); Ceratognathini gen. et sp. indet. 1 (provisional assignment); and Ceratognathini gen. et sp. indet. 2 (provisional assignment). Except for <em>Protonicagus mandibularis</em> <strong>sp. nov.</strong>, the stag beetles appear to be connected to the continent of Gondwana, as with the Kachin amber paleofauna. More interestingly, these species have significantly smaller bodies than the extant species, with three of them measuring less than 3 mm, which makes them the smallest known species of Lucanidae. This finding is congruent with a trend toward miniaturization in several unrelated lineages of Kachin amber beetles, and it shows hidden paleodiversity of stag beetles during the Cretaceous.</p> <p> </p> <p><strong>Key Words</strong></p> <p>Aesalinae, Burmese amber, Cenomanian, Ceratognathini, fossil, Mesozoic, Nicagini, Scarabaeoidea</p>
FIGURE 1 in A new Brazilian stag beetle of the genus Sclerostomus Burmeister, 1847 (Insecta: Coleoptera: Lucanidae)
FIGURE 1. Sclerostomus (Altitatiayus) trifurcatus n. sp., male, dorsal view (scale 5 mm)
FIGURE 2 in A new Brazilian stag beetle of the genus Sclerostomus Burmeister, 1847 (Insecta: Coleoptera: Lucanidae)
FIGURE 2. Sclerostomus (Altitatiayus) trifurcatus n. sp., male, lateral view (scale 5 mm).
European stag beetle
The Krystyna and Włodzimierz Tomek Natural Science Museum in Ciężkowice https://muzea.malopolska.pl/en/objects-list/2390 Inventory number: MP gablota nr 2b Source: Objaverse 1.0 / Sketchfab
Genomic tools for comparative conservation genetics among three recently diverged stag beetles (Lucanus, Lucanidae)
<p>We are witnessing a rapid decline in global biodiversity. International protocols and local conservation laws have been installed to counter such an unprecedented rate of decline. However, quantitatively evaluating how much biodiversity has been lost due to climatic and anthropogenic effects and how much biodiversity has been restored due to conservation efforts remain challenging. We applied a comparative conservation genomic approach to statistically and quantitatively address these questions using three geographical taxa from a stag beetle species complex. We found that the three sky-island taxa formed three independently evolving units without detectable post-divergence gene flow; furthermore, the three taxa, which have been divergent from each other since the mid-Pleistocene, have experienced episodes of demographic decline in the past. More importantly, even though idiosyncratic anthropogenic exploitations have been hypothesized to impact the recent demographic history (< 100 years) differently, we found a shared pattern of continuous decline in effective population size among the three geographical taxa. We argue that future empirical studies should include more taxa, in addition to the focal species, that may or may not be affected by the focal historical events to avoid making biased conservation plans.</p>
Genomic tools for comparative conservation genetics among three recently diverged stag beetles (Lucanus, Lucanidae)
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Data from: Oviposition and larval mycelia preference of the saproxylic European stag beetle
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Data from: Modeling the effects of anthropogenic exploitation and climate change on an endemic stag beetle, Lucanus miwai, of Taiwan
Loss of biodiversity is a worldwide phenomenon and conservation of endemic species is becoming a pressing issue. However, species differ in life history characteristics, causing the best strategy for conservation to vary among species. Lucanus miwai is an endemic stag beetle of Taiwan, but the natural history and the conservation status of L. miwai have not been fully studied. Lucanus miwai adults live in forest-edge grassland habitats and are experiencing threats from anthropogenic exploitation. Additionally, climate change may threaten its long-term survival because of its specific habitat preference. Results from this study clearly indicate the need for more studies on the natural history of L. miwai and demonstrate that contemporary intensity of anthropogenic exploitation can have a negative effect on population size of this species. Future habitat loss because of global climate change, in addition, can be another major factor leading to population decline. Moreover, increasing demands on L. miwai because of population decline may lead to population extinction. In addition to protecting adult males from being collected, conservation strategies should also focus on discovering habitats utilized by individuals from different life stages, investigating the connectivity between populations, and maintaining the long-term availability of suitable habitats for L. miwai.
FIGURE 9 in A new species of stag beetle from sand dunes in west Texas, and a synopsis of the genus Nicagus (Coleoptera: Lucanidae: Aesalinae: Nicagini)
FIGURE 9. Distribution of Nearctic species of Nicagus, indicated by triangles (N. occultus), or circles (N. obscurus). An open circle indicates a state record without specific locality data.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.