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86 results for “Araucaria Forests”
FIGURES 7A–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 7A–B. Mean abundance of Arauchemus gen. nov. species at three habitat types in Araucaria Forest areas at Pró- Mata, São Francisco de Paula, RS, Brazil, from October 2000 to May 2002. Bars represent mean values of the total catches of individuals of each area divided by 20 traps used in each habitat. A, A. graudo sp. nov.; B, A. miudo sp. nov. PRI, primary forest habitats; SEC, secondary forest habitats; PIN, Pinus silviculture habitats. Error bars representing standard errors of mean.
FIGURES 6A–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 6A–H. Arauchemus miudo sp. nov., male (SEM images). A. palp, ventral; B, tegulum, ventral; C, embolus, distal; D, tibial apophysis, retrolateral (arrow: triangular process); E, chelicerae, postero–ventral view (arrow: tooth at promargin; roman numbers I, II, III: indicating the three retromarginal teeth); F, abdomen, anterodorsal scutum; G, leg I trichobothrium. H, leg I tarsal organ. Abbreviations: a, median apophysis; c, conductor; e embolus; h, hematodoca; t, tegulum. Scale bars: A, B, D–F, 100 μm; C, H, 10 μm; G, 5 μm.
FIGURES 5A–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 5A–H. Arauchemus graudo sp. nov. (SEM images). A–C, male; D–H, female. A, leg I dorsal; B, leg I tarsal organ (arrow); C, leg I trichobothrium; D, median spinnerets; E, median spinnerets fusulas; F, palp claw (arrow); G, leg IV claws; H, leg IV preening brush. Scale bars: A, D, H, 100 μm; F, G, 50 μm, B, C, E, 10 μm.
FIGURES 3A–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 3A–G. Arauchemus miudo sp. nov.. A–C, male holotype; D–G, female. A. dorsal; B, leg IV prolateral (arrow: preening brush); C, palp retrolateral (arrow: triangular process); D, dorsal; E, ventral; F, epigynum ventral; G, cleared epigy-
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.
FIGURES 18–23 in A new species of land flatworm (Platyhelminthes: Continenticola) from areas of Araucaria Forest in southern Brazil
FIGURES 18–23. Cratera steffeni sp. nov.: (18) detail of prostatic vesicle of paratype MZU PL.00176 in horizontal section; (19) detail of penis papilla of the holotype in sagittal section; (20) detail of male atrium of the holotype in sagittal section; (21) detail of vagina and ovovitelline ducts in paratype MZU PL.00176 in horizontal section; (22) detail of vagina and common ovovitelline duct of the holotype in sagittal section; (23) detail of female atrium of the holotype in sagittal section. Anterior tip to the left (Figs. 19–20; 22–23) or to the bottom (Figs. 18 and 21). (cov) common glandular ovovitelline duct; (ej) ejaculatory duct; (fa) female atrium; (ma) male atrium; (ov) ovovitelline ducts; (p) penis papilla; (pv) prostatic vesicle; (sc) secretory cells; (sg) shell glands; (sv) spermiducal vesicle; (v) vitellaria; (va) vagina.
FIGURES 1–5 in A new species of land flatworm (Platyhelminthes: Continenticola) from areas of Araucaria Forest in southern Brazil
FIGURES 1–5. Cratera steffeni sp. nov.: (1–2) colour pattern of a fixed specimen (paratype MZU PL.00178) in dorsal view; (3) eyes pattern of a fixed specimen (paratype MZU PL.00177) in dorsal view; (4) detail of eyes pattern in the anterior extremity of the holotype; (5) detail of the median third of the body of the holotype. Anterior tip to the left (Figs. 1–3) or to the top (Figs. 4–5). (ca) copulatory apparatus; (db) dorsal band; (e) eyes; (ph) pharynx; (ps) paramarginal stripes.
FIGURES 16–17 in A new species of land flatworm (Platyhelminthes: Continenticola) from areas of Araucaria Forest in southern Brazil
FIGURES 16–17. Cratera steffeni sp. nov.: (16) copulatory apparatus of the holotype in sagittal section; (17) copulatory apparatus of paratype MZU PL.00176 in horizontal section. Anterior tip to the left. The arrow indicates the approximate position of the common muscle coat. (cmc) common muscle coat; (ej) ejaculatory duct; (fa) female atrium; (go) gonopore; (ma) male atrium; (ov) ovovitelline ducts; (p) penis papilla; (pv) prostatic vesicle; (sc) secretory cells; (sg) shell glands; (va) vagina.
FIGURES 14–15 in A new species of land flatworm (Platyhelminthes: Continenticola) from areas of Araucaria Forest in southern Brazil
FIGURES 14–15. Cratera steffeni sp. nov.: (14) sagittal composite reconstruction of the copulatory apparatus of the holotype; (15) diagrammatic horizontal composite reconstruction of the copulatory apparatus of paratype MZU PL.00176. Anterior tip to the left. (cmc) common muscle coat; (cov) common glandular ovovitelline duct; (ej) ejaculatory duct; (fa) female atrium; (go) gonopore; (ma) male atrium; (ov) ovovitelline ducts; (p) penis papilla; (pv) prostatic vesicle; (sc) secretory cells; (sg) shell glands; (sv) spermiducal vesicle; (va) vagina.
FIGURES 6–13 in A new species of land flatworm (Platyhelminthes: Continenticola) from areas of Araucaria Forest in southern Brazil
FIGURES 6–13. Cratera steffeni sp. nov., holotype: (6) anterior region of the body in transverse section; (7) detail of the anterior region of the body in transverse section; (8) pre-pharyngeal region in transverse section; (9) detail of body margin of the pre-pharyngeal region in transverse section; (10) detail of the dorsal surface of the pre-pharyngeal region in transverse section; (11) detail of the ventral surface of the pre-pharyngeal region in transverse section; (12) pharynx in sagittal section (anterior tip to the left); (13) ovary in sagittal section (anterior tip to the left). (de) dorsal epidermis; (di) dorsal insertion; (dm) dorsal cutaneous musculature; (e) eyes; (es) esophagus; (gm) glandular margin; (i) intestine; (im) internal musculature; (lu) pharyngeal lumen; (m) mouth; (mm) mesenchymal muscles; (n) nerve cord; (o) ovary; (om) outer musculature; (ov) ovovitelline duct; (pp) pharyngeal pouch; (sc) secretory cells; (sp) sensory pit; (t) testes; (v) vitellaria; (ve) ventral epidermis; (vi) ventral insertion; (vm) ventral cutaneous musculature.
FIGURE 10 in A new species of swamp rat of the genus Scapteromys Waterhouse, 1837 (Rodentia: Sigmodontinae) endemic to Araucaria angustifolia Forest in Southern Brazil
FIGURE 10. Biogeographic regions and provinces in South America (A), with details of the study area (in dark blue) and sampling sites of Scapteromys meridionalis [For details see Material and Methods] (B); and Araucaria angustifolia Forest habitat (C). Sources: A, adapted from Morrone (2006); C, Photography of Araucaria angustifolia Forest: G.L. Gonçalves.
FIGURE 9 in A new species of swamp rat of the genus Scapteromys Waterhouse, 1837 (Rodentia: Sigmodontinae) endemic to Araucaria angustifolia Forest in Southern Brazil
FIGURE 9. Occlusal views of upper and lower molar series of Scapteromys meridionalis holotype (FURB 20253). Bar = 1 mm.
FIGURE 6 in A new species of swamp rat of the genus Scapteromys Waterhouse, 1837 (Rodentia: Sigmodontinae) endemic to Araucaria angustifolia Forest in Southern Brazil
FIGURE 6. Thenar pad of manus (indicated by the red arrow) and its respective morphology in Scapteromys meridionalis (holotype, FURB 20253) (right) and S. tumidus (FURB 20290) (left). Bar = 1 mm.
FIGURE 8 in A new species of swamp rat of the genus Scapteromys Waterhouse, 1837 (Rodentia: Sigmodontinae) endemic to Araucaria angustifolia Forest in Southern Brazil
FIGURE 8. Hamular process of pterygoid (red square) and its respective shapes in Scapteromys meridionalis (holotype, FURB 20253) (left) and S. tumidus (MCNU 3378) (right).Bar = 1 mm.
FIGURE 5 in A new species of swamp rat of the genus Scapteromys Waterhouse, 1837 (Rodentia: Sigmodontinae) endemic to Araucaria angustifolia Forest in Southern Brazil
FIGURE 5. Dorsal (upper), ventral (middle) and bottom (bottom) views of skins of (A) Scapteromys meridionalis (holotype, FURB 20253), (B) S. aquaticus (FCM 500) and (C) S. tumidus (FURB 20290). Bar = 10 mm.
FIGURE 7 in A new species of swamp rat of the genus Scapteromys Waterhouse, 1837 (Rodentia: Sigmodontinae) endemic to Araucaria angustifolia Forest in Southern Brazil
FIGURE 7. (A) Dorsal (left), ventral (middle) and lateral (right) views of skull and labial view of mandible (bottom right) of (A) Scapteromys meridionalis holotype (FURB 20253). (B) S. aquaticus (FCM 489) and (C) S. tumidus (FURB 20289). Bar = 5 mm.
FIGURE 4 in A new species of swamp rat of the genus Scapteromys Waterhouse, 1837 (Rodentia: Sigmodontinae) endemic to Araucaria angustifolia Forest in Southern Brazil
FIGURE 4. Convex hull for specimens scores of Scapteromys species on the principal components 1 and 2 (A) and 1 and 3 (B) extracted from the variance-covariance matrix of 21 cranial measurements.
FIGURE 3 in A new species of swamp rat of the genus Scapteromys Waterhouse, 1837 (Rodentia: Sigmodontinae) endemic to Araucaria angustifolia Forest in Southern Brazil
FIGURE 3. Karyotype (conventional Giemsa standing) of Scapteromys sp. n. Above: 2n=34, FNa=40; below: 2n=36, FNa=40.
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