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FIGURES 45–50 in Baetis (Rhodobaetis) molecularis sp. nov., a new mayfly species (Ephemeroptera Baetidae) from the Russian Far East
FIGURES 45–50. Localities of Baetis (Rhodobaetis) molecularis sp. nov.: 45, Bolshoi Garmakan River (Amurskaya oblast', photo M. Tiunov); Kamchatka Peninsula (photos I. Tiunov): 46, Bacostits Stream; 47, Bistraya River; 48, Bistraya River Basin, unnamed stream; 49, Vatkan Malkinskiy River; 50, Kashkan River.
FIGURE 3 in Taxonomic and nomenclatural changes in three species of Pterostichus Bonelli (Coleoptera: Carabidae) from the Far East
FIGURE 3. Habitus (A–E), male genitalia (F–I), and attached labels (G, H) of Pterostichus marginatus marginatus (A–C, F, G, J, K) and P. m. subrugosus (D, E, H, I). A, dorsal view of syntype male; B, dorsal view of syntype female; C, dorsal view of male from Porechje envir., Sakhalin; D, dorsal view of male from Kumono-daira; E, dorsal view of female from Kumono-daira; F, H, right lateral view of everted endophallus; G, I, left lateral view of everted endophallus; J, label attached to syntype male; K, labels attached to syntype female. dl, dorsal lob; gp, gonopore; ll, left lateral lobe; lv-1, basal sub-lobe of left ventral lobe; lv-2, apical sub-lobe of left ventral lobe; rv-1, basal sub-lobe of right ventral lobe; rv-2, apical sub-lobe of right ventral lobe.
FIGURE 4 in Taxonomic and nomenclatural changes in three species of Pterostichus Bonelli (Coleoptera: Carabidae) from the Far East
FIGURE 4. Distribution of Pterostichus eximius (A) and P. marginatus (B), compiled from Ananina (2012), Averenskiy & Nogovitsina (2010), Berlov & Berlov (1997a, 1997b, 1997c, 1997d, 1997e), Budarin (1985), Budilov (2016), Jedlička (1962), Khobrakova et al. (2014, 2017, 2018), Kirschenhofer (1985), Koshkin et al. (2016), Lafer et al. (1997), Lafer (2006), Makarova et al. (2014), Morawitz (1862), Morita (1995), Rogatnykh (2009), Shilenkov & Averenskiy (1989), Yasuda et al. (1991), Yoshimatsu et al. (2018), and this study. Records with unambiguous subspecies status (i.e., collection sites of type materials, and records based on specimens in which the male endophallus was examined) are marked in color: red circle, P. e. eximius; green circle, P. e. sachalinensis; blue circle, P. e. rishiridakensis; red star, P. m. marginatus; blue star, P. m. subrugosus. Populations with ambiguous subspecies status are marked in black: circle, P. eximius ssp.; star, P. marginatus ssp.
FIGURE 2 in Taxonomic and nomenclatural changes in three species of Pterostichus Bonelli (Coleoptera: Carabidae) from the Far East
FIGURE 2. Habitus (A, B), male genitalia (C–F), and female genitalia (G, H) of Pterostichus eximius rishiridakensis ssp. nov. A, dorsal view of holotype male; B, dorsal view of paratype female; C, right lateral view of aedeagus with everted endophallus (holotype male); D, dorsal view of aedeagal apex (paratype male); E, left lateral view of aedeagus with everted endophallus (holotype male); F, left lateral view of right paramere (holotype male); G, dorsal view of right stylomere 2 (paratype female); H, ventral view of right stylomere 2 (paratype female). gp, gonopore; ll, left lateral lobe; lv-1, basal sub-lobe of left ventral lobe; lv-2, apical sub-lobe of left ventral lobe; rv-1, basal sub-lobe of right ventral lobe; rv-2, apical sub-lobe of right ventral lobe.
FIGURE 1 in Taxonomic and nomenclatural changes in three species of Pterostichus Bonelli (Coleoptera: Carabidae) from the Far East
FIGURE 1. Differences in male genital structures (top, left posterolateral view; bottom, right ventrolateral view) among subspecies of Pterostichus eximius. Red, green, and blue arrows denote sublobe rv-2 on the endophallus, a swelling adjoining lobe ll on the endophallus, and the dorsal contour at the aedeagal subapex, respectively. Phylogenetic relationships inferred from these characters are shown.
FIGURE 6 in On two enigmatic spiders (Araneae: Cybaeidae & Phrurolithidae) from the Russian Far East
FIGURE 6. General appearance of Phrurolithus lindemanni sp. nov. female. A–C Habitus, ventral, lateral and dorsal; D Leg I, prolateral; E Prosoma, antero-dorsal; F Chelicera, posterior; G Prosoma and epigastral part of opisthosoma, ventral. Scales = 0.2 mm unless otherwise indicated.
FIGURE 7 in On two enigmatic spiders (Araneae: Cybaeidae & Phrurolithidae) from the Russian Far East
FIGURE 7. Epigyne of Phrurolithus lindemanni sp. nov. A Intact, with mating plug; B–C Dissected, dorsal and ventral; D–F Dorsal, macerated and coloured. Scales = 0.2 mm if indicated.
FIGURE 3 in On two enigmatic spiders (Araneae: Cybaeidae & Phrurolithidae) from the Russian Far East
FIGURE 3. Cybaeota wesolowskae sp. nov. A–D Male palp, ventral, retrolateral, dorsal and prolateral; E Male prosoma, antero-ventral; F–G Epigyne, dorsal and ventral. Scales = 0.2 mm.
FIGURE 2 in On two enigmatic spiders (Araneae: Cybaeidae & Phrurolithidae) from the Russian Far East
FIGURE 2. SEM micrographs of somatic characters of Cybaeota wesolowskae sp. nov., female. A–C Chelicera, ventral, posterior and anterior; D, F Tibia I, prolateral; E Leg I, prolateral; G Metatarsus I, prolateral; H Femur I, prolateral. Scales = 0.1 mm unless otherwise indicated. Abbreviations: Mr—mesal ridge; Ls—locking mechanism structures; Ss—sparse scale-like structures.
FIGURE 5 in On two enigmatic spiders (Araneae: Cybaeidae & Phrurolithidae) from the Russian Far East
FIGURE 5. SEM micrographs of the male palp of Cybaeota wesolowskae sp. nov. A Ventral; B Retrolateral; C Ventro-retrolateral; D Ventro-prolateral; E Antero-ventral. Scales = 0.1 mm. Abbreviations: Aa—anterior arm of conductor; Cs—stem of conductor; Pa—posterior arm of conductor; Ra—anterior retrolateral apophysis; Rp—posterior retrolateral tibial apophysis; St—subtegulum.
FIGURE 4 in On two enigmatic spiders (Araneae: Cybaeidae & Phrurolithidae) from the Russian Far East
FIGURE 4. Male palp of Cybaeota wesolowskae sp. nov. A Ventral; B Retrolateral. Scales = 0.2 mm. Abbreviations: Aa—anterior arm of conductor; Cs—stem of conductor; Pa—posterior arm of conductor.
FIGURE 1 in On two enigmatic spiders (Araneae: Cybaeidae & Phrurolithidae) from the Russian Far East
FIGURE 1. Cybaeota wesolowskae sp. nov. A–B Male habitus, dorsal and ventral; C–D Female habitus, dorsal and ventral; E–F Prosoma, frontal, female and male; G Female, leg I prolateral. Scales = 0.1 mm (E, F) and 0.2 mm (G). Abbreviations: Uv—unpaired ventral spine.
FIGURE 8 in On two enigmatic spiders (Araneae: Cybaeidae & Phrurolithidae) from the Russian Far East
FIGURE 8. Collecting localities of Cybaeota wesolowskae sp. nov. (●) and Phrurolithus lindemanni sp. nov. (Ɨ)
Plant sedimentary ancient DNA data from Far East Russia
<p>Woody plants are expanding into the Arctic in response to the warming climate. The impact on arctic plants is not well understood due to the limited knowledge about plant assembly rules. Past plant diversity over long time series is rare. Here, we applied sedimentary ancient DNA metabarcoding targeting the P6 loop of the chloroplast <i>trnL</i> gene to a sediment record from Lake Ilirney (central Chukotka, Far Eastern Russia) covering the last 28 thousand years. Our results show that forb-rich steppe-tundra and dwarf-shrub tundra dominated during the cold climate before 14 ka, while deciduous erect-shrub tundra was abundant during the warm period since 14 ka. <i>Larix</i> invasion during the late Holocene substantially lagged behind the likely warmest period between 10 and 6 ka, where the vegetation coverage was densest. We reveal highest richness during 28–23 ka and a second richness peak during 13–10 ka, with both periods being accompanied by low shrub abundance. During the cold period before 14 ka, rich communities were phylogenetically clustered, suggesting low genetic divergence in the communities despite the great number of species. This probably originates from environmental filtering along with niche differentiation due to limited resources under harsh environmental conditions. In contrast, during the warmer period after 14 ka, rich communities were phylogenetically overdispersed. This results from a high number of species which were found to harbor high genetic divergence, likely originating from an erratic recruitment process in the course of warming. Some of our evidence may be of relevance for inferring future arctic plant assembly rules and diversity changes. By analogy to the past, we expect a lagged response of tree invasion. Plant richness may overshoot in the short term; in the long-term, however, the ongoing expansion of deciduous shrubs will eventually result in a phylogenetically more diverse community.</p>
FIGURE 2 in A new species of Melita Leach (Amphipoda: Melitidae) from oligosaline waters of Russian Far East
FIGURE 2. Melita nitidaformis sp. n., holotype, male, 6,9 mm, a, antennula (B); b, accessory flagellum of antennula; c, antenna (B); d, upper lip (C); e, lower lip (C); f, left mandible (D); g, maxilla 1 (D); h, maxilla 2 (D); i, maxilliped (D).
FIGURE 4 in A new species of Melita Leach (Amphipoda: Melitidae) from oligosaline waters of Russian Far East
FIGURE 4. Melita nitidaformis sp. n., holotype, male, 6,9 mm, a, pereopod 3 (G); b, pereopod 4 (G); c, pereopod 5 (G); d, apex of pereopod 5 propodus; e, pereopod 6 (G); f, pereopod 7 (G); g, pleopod 1 (G); h, uropod 1 (H); i, uropod 2 (H); j, uropod 3 (H); k, telson (H); l, apex of telson lobe.
FIGURE 1 in A new species of Melita Leach (Amphipoda: Melitidae) from oligosaline waters of Russian Far East
FIGURE 1. Melita nitidaformis sp. n., a, entire animal, male, 8 mm (scale A); b, dorsal side of urosome 2.
FIGURE 3 in A new species of Melita Leach (Amphipoda: Melitidae) from oligosaline waters of Russian Far East
FIGURE 3. Melita nitidaformis sp. n., holotype, male, 6,9 mm, a, pereopod 1 (E); b, pereopod 2 (F); c, propodus of pereopod 2, inner side; df, epimeral plates 13 (F).
FIGURE 5 in A new species of Melita Leach (Amphipoda: Melitidae) from oligosaline waters of Russian Far East
FIGURE 5. Melita nitidaformis sp. n., female, 6 mm, a, pereopod 1 (I); b, propodus of pereopod 2; c, pereopod 2 (I).
FIGURES 1–3 in Bees of the subgenus Allocoelioxys Tkalc of the genus Coelioxys Latreille (Hymenoptera: Apoidea: Megachilidae) from the Russian Far East
FIGURES 1–3. Coelioxys manchurica sp. nov., female, holotype. 1, habitus (dorsal view), scale = 1.0 mm; 2, metasomal segment 6 (dorsal view), scale = 0.5 mm; 3, metasomal segment 6 (lateral
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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