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2,050 results for “southern Brazil”
FIGURES 4A–H in Arauchemus, a new spider genus of the Echemus group (Araneae: Gnaphosidae: Echeminae) from Araucaria Forest areas in southern Brazil, with notes on habitat preferences and phenology
FIGURES 4A–H. Arauchemus graudo sp. nov., male (SEM images). A, palp retrolateral; B, tegulum ventral; C, embolus distal; D, palp patella retrolateral; E, palp tibia trichobothrium; F, palp tibia retrolateral apophysis; G, leg IV claws; H, leg IV preening brush. Abbreviations: a, median apophysis; c, conductor; e, embolus. Scale bars: A, 500 μm; B, D, G, H, 100 μm; F, 50 μm; C, E, 10 μm.
FIGURES 2A–G in Arauchemus, a new spider genus of the Echemus group (Araneae: Gnaphosidae: Echeminae) from Araucaria Forest areas in southern Brazil, with notes on habitat preferences and phenology
FIGURES 2A–G. Arauchemus graudo sp. nov.. A–C, male holotype; D–G, female. A. dorsal; B, leg IV prolateral; C, palp retrolateral (arrow: basal triangular process at retrolateral tibial apophysis); D, dorsal; E, ventral; F, epigynum ventral; G, cleared epigynum, dorsal. Abbreviations: sp, spermathecae; cd, copulatory ducts.
FIGURES 1A–D. Male palp. A, B in Arauchemus, a new spider genus of the Echemus group (Araneae: Gnaphosidae: Echeminae) from Araucaria Forest areas in southern Brazil, with notes on habitat preferences and phenology
FIGURES 1A–D. Male palp. A, B, Arauchemus graudo sp. nov.; C, D, Arauchemus miudo sp. nov.; A, C, ventral; B, D, retrolateral. Scale bars 0,25 mm. Abbreviations: a, median apophysis; c, conductor; e, embolus.
FIGURE 2 in Polychaetes from Santa Catarina State (southern Brazil): checklist and remarks on species distribution
FIGURE 2. Individual-based rarefaction curves of the polychaetes data from estuarine, shallow sublittoral and deep sublittoral habitats from the coast of Santa Catarina, southern Brazil (25º57'S–29º23'S). Dotted lines denote 95% confidence intervals.
FIGURE 5 in A new species of the catfish genus Trichomycterus from the La Plata River basin, southern Brazil, with comments on its putative phylogenetic position (Siluriformes: Trichomycteridae)
FIGURE 5. Inferred phylogenetic relationships of Trichomycterus perkos and related congeners. Characters (from Wosiacki & de Pinna, 2008a, 2008b) numbered as in Discussion.
FIGURE 2 in A new species of the catfish genus Trichomycterus from the La Plata River basin, southern Brazil, with comments on its putative phylogenetic position (Siluriformes: Trichomycteridae)
FIGURE 2. Lateral view of presumable juveniles of Trichomycterus perkos. (A) Medium-sized paratype, MCP 31776, 43.3 mm SL; (B) second smallest paratype, MCP 31764, 17.9 mm SL. Specimens represented in scale.
FIGURE 1 in A new species of the catfish genus Trichomycterus from the La Plata River basin, southern Brazil, with comments on its putative phylogenetic position (Siluriformes: Trichomycteridae)
FIGURE 1. Trichomycterus perkos, holotype, MCP 46679, 93.5 mm SL; Brazil, Rio Grande do Sul State, Passo Fundo Municipality; Uruguai River basin, Passo Fundo River.
FIGURE 4 in A new species of the catfish genus Trichomycterus from the La Plata River basin, southern Brazil, with comments on its putative phylogenetic position (Siluriformes: Trichomycteridae)
FIGURE 4. Type localities of Trichomycterus perkos. (A) Unnamed stream tributary of Erechim River, Passo Fundo River basin, São Valentim Municipality, Rio Grande do Sul State (MCP 46701); (B) unnamed stream tributary of Sepultura Streamlet, affluent of reservoir of the Passo Fundo Hydroelectric Power Plant, Campinas do Sul Municipality, Rio Grande do Sul State (MCP 46711).
FIGURE 3 in A new species of the catfish genus Trichomycterus from the La Plata River basin, southern Brazil, with comments on its putative phylogenetic position (Siluriformes: Trichomycteridae)
FIGURE 3. Geographic distribution of the Trichomycterus perkos. Red circle, holotype; yellow circles, paratypes. Each symbol may represent more than one lot.
FIGURE 7 in A new species of Phyllocnistis Zeller (Lepidoptera: Gracillariidae) from southern Brazil, with life-history description and genetic comparison to congeneric species
FIGURE 7. Life history of Phyllocnistis tethys: (A) Passiflora organensis shoot twining around on a fern at the type locality, showing several leaves with leaf mines at different development stages; (B) leaf mine on abaxial leaf surface (open and closed arrows, respectively, indicate empty chorion on leaf surface, and sap-feeding larva seen through transparent mine); (C) egg containing developing embryo; (D) freshly hatched larva (indicated by closed arrow; open arrow indicates green frass lines left within the egg chorion; (E) third-instar (sap-feeding) larva; (F) detail of frass lines and damage on leaf parenchyma, left by the larva within the mine; (G) fourth-instar (spinning) larva; (H) Passiflora organensis containing several pupae, seen by transparency (indicated by arrows); (I) a pupal chamber in detail, showing a pupa by transparency; (J) pupa, lateral view; (K) pupal exuvium protruded (arrow) from mine exit hole, just after the adult emergence. Scale bars = 100, 1, 0.2, 0.3, 1, 1, 1, 20, 5, 0.5, 2 mm, respectively.
FIGURE 4 in A new species of Phyllocnistis Zeller (Lepidoptera: Gracillariidae) from southern Brazil, with life-history description and genetic comparison to congeneric species
FIGURE 4. Scanning electron micrographs of Phyllocnistis tethys egg and third larval "sap-feeding" instar: (A) egg, on abaxial surface of a Passiflora organensis leaf; (B–D) head, lateral, anterior and dorsal views; (E) labrum and mandibles, dorsal view; (F) antenna, anterior view; (G) head, ventral view; (H) labium, ventral view (arrow indicates the spinneret); (I) abdominal lobe, dorsal view. Scale bars = 100, 100, 50, 100, 50, 10, 100, 50, 20 µm, respectively.
FIGURE 3 in A new species of Phyllocnistis Zeller (Lepidoptera: Gracillariidae) from southern Brazil, with life-history description and genetic comparison to congeneric species
FIGURE 3. Larval and pupal morphology of Phyllocnistis tethys under light microscopy: (A) first larval ("sap-feeding") instar, dorsal and ventral views; (B) third larval ("sap-feeding") instar, dorsal and ventral views; (C) fourth larval ("cocoon-spinning") instar, dorsal and ventral views; (D–F) pupa, dorsal, ventral and lateral views. Scale bars = 100, 400, 400, 300 µm, respectively.
FIGURE 6 in A new species of Phyllocnistis Zeller (Lepidoptera: Gracillariidae) from southern Brazil, with life-history description and genetic comparison to congeneric species
FIGURE 6. Scanning electron micrographs of Phyllocnistis tethys pupal cocoon and pupa: (A) weaving pattern of lower surface of pupal cocoon; (B) head, lateral view; (C) cocoon-cutter, lateral view; (D) head, ventral view; (E) cocoon-cutter, ventral view; (F) frons, ventral view; (G) abdominal segments 4 and 5, dorsal view; (H) spines on tergum 5, dorsal view; (I) spines on tergum 4, lateral view; (J) spiracle (arrow) and lateral seta on A5, dorsal view; (K) spiracle A3, lateral view; (L) spiracle A8, lateral view; (M–O) last abdominal segments in ventral, dorsal and posterior views, respectively Scale bars = 100, 100, 50, 150, 50, 50, 200, 25, 25, 25, 10, 5, 100, 100, 100 µm, respectively.
FIGURE 9 in A new species of Phyllocnistis Zeller (Lepidoptera: Gracillariidae) from southern Brazil, with life-history description and genetic comparison to congeneric species
FIGURE 9. Maximum-likelihood tree of Pyllocnistis species based on 639 bp of the mitochondrial gene cytochrome oxidase subunit I (COI). Numbers above branches indicate bootstrap support higher than 60%; branch lengths are indicated below. Asterisks indicate bootstrap values <60% and branch lengths <0.001. Species of Bucculatricidae (Bucculatrix canadensisella) and Gracillariidae (Acrocercops and Caloptilia) were used to root the tree, according to the phylogeny proposed by Kawahara et al. (2011); see Table 1 and text for further description.
FIGURE 8 in A new species of Phyllocnistis Zeller (Lepidoptera: Gracillariidae) from southern Brazil, with life-history description and genetic comparison to congeneric species
FIGURE 8. Diaphanized portion and histological sections of a Passiflora organensis leaf, showing by transparency the organization levels of a Phyllocnistis tethys mine in relation to larval ontogeny: (A) general aspect of the mine, containing a third-instar "sap-feeding" larva; asterisk indicates feeding area of the first instar; Roman numerals indicate larval instar numbers and corresponding positions of head capsules in the mine; open and closed arrows indicate the limit areas of nongranular frass lines left by second- and third-instar larvae, respectively; (B) detail of head capsule shed by the second-instar larva (bar indicates position for measurement of head-capsule width); C) transverse section of a mine; (D) transverse section of intact portion of leaf lamina (indicated by left arrow in C); (E) transverse section of mined portion of leaf lamina (indicated by right arrow in C). Ab, abaxial surface of epidermis; Ad, adaxial surface of epidermis; Lm, leaf mine; Pp, palisade parenchyma; Sp, spongy parenchyma. Scale bars = 1 mm, 50, 100, 25, 50 µm, respectively.
FIGURE 2 in A new species of Phyllocnistis Zeller (Lepidoptera: Gracillariidae) from southern Brazil, with life-history description and genetic comparison to congeneric species
FIGURE 2. Genital morphology of Phyllocnistis tethys under light and scanning electron microscopy: (A) male genitalia, ventral view (aedeagus omitted); (B) aedeagus, lateral view; (C) female genitalia, ventral view; (D) male coremata, lateral view; (E) male cornuti in detail, lateral view; (F) female papilla annalis in detail, latero-dorsal view; (G) female signum in detail, lateral view. Scale bars = 100, 200, 25, 50, 25, 25 µm, respectively.
FIGURE 1 in A new species of Phyllocnistis Zeller (Lepidoptera: Gracillariidae) from southern Brazil, with life-history description and genetic comparison to congeneric species
FIGURE 1. Phyllocnistis tethys adult: wings spread, pinned, dorsal view (A); wings folded, on Passiflora organensis leaf, in dorsal (B) and lateral (C) views. Scale bars = 0.5, 1.0 mm, respectively.
FIGURE 5 in A new species of Phyllocnistis Zeller (Lepidoptera: Gracillariidae) from southern Brazil, with life-history description and genetic comparison to congeneric species
FIGURE 5. Scanning electron micrographs of Phyllocnistis tethys fourth larval (cocoon-spinning) instar: (A) head, general, dorsal view; (B–C) detail of head, dorsal and lateral views; (D) head, general, anterior view; (E) spinneret (indicated by arrow), anterior view; (F) antenna, lateral view; (G) invaginations of integument on abdominal sterna, ventral view; (H) caudal end of abdominal, ventral view; (I) dorsal view of fig. H (last segment retracted). Scale bars = 100, 50, 50, 50, 10, 10, 50, 50, 50 µm, respectively.
FIGURE 2 in Gelatinous zooplankton fauna (Cnidaria, Ctenophora and Thaliacea) from Baía da Babitonga (southern Brazil)
FIGURE 2. Number of gelatinous zooplankton species found on each sampling date (columns) at Baía da Babitonga, S Brazil, and cumulative number of recorded species (closed circles) between July 2007 and June 2009. All types of nets were pooled together. Dotted grey line indicates the average number of species from all campaigns (22).
FIGURE 1 in Gelatinous zooplankton fauna (Cnidaria, Ctenophora and Thaliacea) from Baía da Babitonga (southern Brazil)
FIGURE 1. Map of Baía da Babitonga, S Brazil, showing stations sampled on 17 July 2007 and 19 June 2009 (circles) and throughout October 2007 and August 2008 (crosses).
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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.