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4,490 results for “Brazilian species”
FIGURES 20–25 in New troglobitic and troglophilic syntopic species of Endecous (Orthoptera, Grylloidea, Phalangopsidae) from a Brazilian cave: a case of sympatric speciation?
FIGURES 20–25. Right tegmen of Endecous (Pedroecous) didymus n. sp. in dorsal and lateral view. 20–holotype (ISLA 43330); 21–paratype (ISLA 15696); 22–paratype (ISLA 15697); 23–paratype (ISLA 43329); 24–paratype (ISLA 43336) and 25–paratype (ISLA 43338).
Data from: Aeschynomene chicocesariana, a striking new unifoliolate legume species from Brazilian Chapada Diamantina and its phylogenetic placement in the dalbergioid clade
Unifoliolate leaves are relatively rare in the species-rich dalbergioid clade of papilionoid legumes (Leguminosae, Papilionoideae). For the pantropical, diverse genus Aeschynomene (ca. 180 species), the only known record of unifoliolate species described so far is the savanna-inhabiting A. simplicifolia from Chapada dos Veadeiros in Goiás, Brazil. The current work provides a description, illustrations, and a distribution map of another unifoliolate species, Aeschynomene chicocesariana, which was newly discovered in the rupestrian grasslands of Chapada Diamantina in Bahia, Brazil. The new species readily differs from A. simplicifolia by having mostly single-stemmed, erect habit, leaves with considerably shorter, 1.5–4 mm long petioles, leaflet blades densely pubescent beneath and glabrescent above and inconspicuously veined on both surfaces and without a marginal vein, and much smaller, ca. 15 × 14 mm standard petal. Bayesian phylogenetic analyses of DNA sequence data (nuclear ribosomal ITS/5.8S and the plastid genes matK and trnL intron) have unequivocally placed A. chicocesariana with the rest of Aeschynomene species that are traditionally placed within sect. Ochopodium. This result concurs with the shared morphology of A. chicocesariana and members of that section.
FIGURES 9–14 in A new genus and species of odiniids (Diptera: Odiniidae) from the canopy of the Brazilian Amazon rainforest
FIGURES 9–14. Umbodinia bella, sp. nov., Holotype ♂. 9, terminalia, dorsal view; 10, phallapodeme, hypandrium, tergite 6, syntergosternite, sternite 6, epandrium and surstylar lobe, lateral view; 11, tergite 6 and sternite 6, epandrium and surstyli, posterior view; 12, terminalia, hypandrium, gonocoxal apodeme and phallus, ventral view; 13, epandrium, hypandrium, phallapodeme and phallus, lateral view; 14, epandrium, hypandrium and subepandrial sclerite, anterior view.
FIGURES 3–8 in A new genus and species of odiniids (Diptera: Odiniidae) from the canopy of the Brazilian Amazon rainforest
FIGURES 3–8. Umbodinia bella, sp. nov., Holotype ♂. 3, habitus, lateral view; 4, head, frontal view; 5, head, lateral view; 6, head and thorax, dorsal view; 7, wing; 8, abdomen, dorsal view.
FIGURES 1–2 in A new genus and species of odiniids (Diptera: Odiniidae) from the canopy of the Brazilian Amazon rainforest
FIGURES 1–2. Malaise trap, model Gressit & Gressit (1972), different angles, mounted 32 meters high in a metallic tower of the Tropical Silviculture Experimental Station, Manaus, Amazonas, Brazil.
More than meets the eye: syntopic and morphologically similar mangrove killifish species show different mating systems and patterns of genetic structure along the Brazilian coast
<p><a name="_Hlk40344892">Different mating systems can strongly affect the extent of genetic diversity and population structure among species. Given the increased effects of genetic drift on reduced population size, theory predicts that species undergoing self-fertilization should have greater population structure than outcrossed species, however demographic dynamics may affect this scenario. </a>The mangrove killifish clade is composed of the two only known examples of self-fertilising species among vertebrates (<i>Kryptolebias marmoratus </i>and <i>K</i>. <i>hermaphroditus</i>). A third species in this clade, <i>K. ocellatus, </i>inhabits mangrove forests in southeast Brazil, however its mating system and patterns of genetic structure have been rarely explored. Here, we examined the genetic structure and phylogeographic patterns of <i>K</i>. <i>ocellatus</i> along its distribution, using mitochondrial DNA and microsatellites to compare its patterns of genetic structure with the predominantly selfing and often syntopic, <i>K</i>. <i>hermaphroditus.</i> Our results indicate that <i>K</i>. <i>ocellatus</i> reproduces mainly by outcrossing across much of its known range, with no current evidence of selfing, despite being an androdioecious species. Our results also reveal a stronger population subdivision in <i>K</i>. <i>ocellatus </i>compared to <i>K</i>. <i>hermaphroditus</i>, contrary to the theoretical predictions based on reproductive biology of the two species. Our findings indicate that, although morphologically similar, <i>K</i>. <i>ocellatus </i>and <i>K</i>. <i>hermaphroditus</i> had remarkably different evolutionary histories when colonising the same mangrove areas in south-eastern Brazil, with other factors (e. g. time of colonisation, dispersal/establishment capacity) having more profound effects on the current population structuring of those species than differences in mating systems.</p>
Data from: A spectacular new species of Habenaria (Orchidaceae) from southern Brazilian Amazon
<p>A new <i>Habenaria</i> species from the state of Mato Grosso is described and illustrated. <b><i>Habenaria gracilisegmenta</i></b> was discovered in campinarana sub-forest, in northern Mato Grosso state, on the southern edge of the Brazilian Amazon. The species is distinguished by its slender habit, few, delicate flowers, and very long, thin lateral segments of the petals and lip, and its morphological affinity with other Neotropical species is unclear. A molecular phylogenetic analysis revealed that the new species does not belong to any of the Neotropical subclades of the genus, constituting an additional lineage. The species is one of two of the genus endemic to the Brazilian Amazon, and considered threatened by the small number of known populations and restricted distribution.</p>
FIGURE 9–13 in New Brazilian species of Folsomides Stach (Collembola: Isotomidae)
FIGURE 9–13. Folsomides cariocus sp. nov. 9, Abd II–VI chaetotaxy; 10, Tita II chaetotaxy; 11, Leg III chaetotaxy; 12, Subcoxa furcal; 13, Mucro.
FIGURE 2–8 in New Brazilian species of Folsomides Stach (Collembola: Isotomidae)
FIGURE 2–8. Folsomides cariocus sp. nov. 2, PAO and ocular plate; 3, head chaetotaxy; 4, Ant. IV dorsal chaetotaxy; 5, Ant. II dorsal chaetotaxy; 6, Ant. I ventral chaetotaxy; 7, sublobal hairs on maxillary outer lobe; 8, Th. II–III and Abd I chaetotaxy.
FIGURE 4. Glenurus incalis female terminalia, a in Rediscovery of Glenurus incalis Banks (Neuroptera: Myrmeleontidae), and notes on the Brazilian species of Glenurus Hagen
FIGURE 4. Glenurus incalis female terminalia, a: terminalia, lateral view; b: terminalia, ventral view; c: spermatheca. e = ectoproct; gp = gonapophyseal plate; lg = lateral gonapophysis; pg = posterior gonapophysis; pp = pregenital plate; S = sternite; T = tergite.
FIGURE 3. Glenurus incalis, a in Rediscovery of Glenurus incalis Banks (Neuroptera: Myrmeleontidae), and notes on the Brazilian species of Glenurus Hagen
FIGURE 3. Glenurus incalis, a: head, frontal view; b: head and thorax, dorsal view; c: head and thorax, lateral view. Scale bars = 1 mm.
FIGURE 2. Glenurus wings, a in Rediscovery of Glenurus incalis Banks (Neuroptera: Myrmeleontidae), and notes on the Brazilian species of Glenurus Hagen
FIGURE 2. Glenurus wings, a: G. heteropteryx forewing; b: G. incalis fore and hind wing; c: G. peculiaris fore and hind wing. Scale bar = 5 mm.
FIGURE 5 in Rediscovery of Glenurus incalis Banks (Neuroptera: Myrmeleontidae), and notes on the Brazilian species of Glenurus Hagen
FIGURE 5. South America map showing all the known records of Glenurus incalis, and the Brazilian records of Glenurus heteropteryx and Glenurus peculiaris.
FIGURES 12–13 in Thraulodes marianoi sp. nov., a remarkable new species of mayfly (Ephemeroptera Leptophlebiidae) with dark wings from the southern Brazilian Atlantic Forest
FIGURES 12–13. Outline of male genitalia of Thraulodes species in ventral view: (12) T. basimaculatus holotype (redrawn from Giordano & Domínguez, 2005); (13) T. marianoi holotype.
FIGURES 9–11 in Thraulodes marianoi sp. nov., a remarkable new species of mayfly (Ephemeroptera Leptophlebiidae) with dark wings from the southern Brazilian Atlantic Forest
FIGURES 9–11. Genitalia of Thraulodes marianoi sp. nov. holotype male (Brazil. PR: Pico do Marumbi State Park, DZUP 515215): (9) dorsal view, (10) ventral view and (11) ventrolateral view. Figures 10–11 with the 9th segment removed.
FIGURES 6–8 in Thraulodes marianoi sp. nov., a remarkable new species of mayfly (Ephemeroptera Leptophlebiidae) with dark wings from the southern Brazilian Atlantic Forest
FIGURES 6–8. Thraulodes marianoi sp. nov. holotype male (Brazil. PR: Pico do Marumbi State Park, DZUP 515215): (6) forewing; (7) hindwing, (8) fore-, middle- and hind legs in lateral view.
FIGURE 3–5 in Thraulodes marianoi sp. nov., a remarkable new species of mayfly (Ephemeroptera Leptophlebiidae) with dark wings from the southern Brazilian Atlantic Forest
FIGURE 3–5. Thraulodes marianoi sp. nov., holotype male (Brazil. PR: Pico do Marumbi State Park, DZUP 515215): (3) habitus in lateral view; (4) head and thorax in lateral view; (5) head and thorax in dorsal view.
FIGURES 1–2 in Thraulodes marianoi sp. nov., a remarkable new species of mayfly (Ephemeroptera Leptophlebiidae) with dark wings from the southern Brazilian Atlantic Forest
FIGURES 1–2. Type locality of Thraulodes marianoi sp. nov. at protected area of Mananciais da Serra, Pico do Marumbi State Park, Piraquara municipality, state of Paraná, Brazil: (1) artificial stream from the dissipation channel of the Carvalho catchment; (2) light sheet at Carvalho catchment. Photos: APP.
FIGURE 6 in A new species of the Rhinella margaritifera (Laurenti 1768) species group (Anura Bufonidae) from southern Brazilian Amazonia
FIGURE 6. Dorsal (above) and ventral (below) variation in the type-series of Rhinella parecis sp. nov. Scale bar = 10mm.
FIGURE 5 in A new species of the Rhinella margaritifera (Laurenti 1768) species group (Anura Bufonidae) from southern Brazilian Amazonia
FIGURE 5. Adult specimens of Rhinella parecis sp. nov. in life. A) Holotype, adult male (UFMT-A 13716); B) Adult male (UFMT-A 13698); C) Adult female (UFMT-A 18718); D) Adult male (UFMT-A 18735). Photos by D. H. Morais (A, B) and R. W. Ávila (C, D).
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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.