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122 results for “Eukoeneniidae”
Fig. 19 in Two extraordinary troglobitic species of Allokoenenia (Eukoeneniidae: Palpigradi) from Brazil: first records of this initially monotypic genus more than a century after its description
Fig. 19. Allokoenenia stygia sp. nov. A. Map of Brazil showing the placement of the Amazonia Biome, delimited in green, and of the SB_0114 and SB_0112 caves (in red). B–C. Inner portions of the single conduit that forms the SB_0114 cave, type locality of A. stygia sp. nov. D. Serra da Bocaina, with the placement of the two caves where the new species occurs indicated by a red star. E. Habitus of the paratype (MZSP 54249) under a stereo microcope before mounting. F. Landscape in the surroundings of Serra da Bocaina, showing the presence of pastures. G. Plan view of SB_0114 cave (type locality), showing the palpigrade collecting site (red star).
Fig. 18 in Two extraordinary troglobitic species of Allokoenenia (Eukoeneniidae: Palpigradi) from Brazil: first records of this initially monotypic genus more than a century after its description
Fig. 18. Allokoenenia stygia sp. nov., ♀, paratype (MZSP 54249). A–B. First and second lobes of female genitalia, respectively. Abbreviations: see Material and methods. Scale bar = 50 μm. Dotted circles and elipses represent cuticular orifices.
Fig. 8 in Two extraordinary troglobitic species of Allokoenenia (Eukoeneniidae: Palpigradi) from Brazil: first records of this initially monotypic genus more than a century after its description
Fig. 8. Allokoenenia canhembora sp. nov., ♀, holotype (ISLA 50394). A. Chaetotaxy of opisthosomal tergite III. B. Chaetotaxy of opisthosomal sternite VI. C. Opisthosomal segments VIII–XI. D. Flagellum. Abbreviations: see Material and methods. Scale bars: A–B = 20 μm; C–D = 100 μm.
Fig. 12 in Two extraordinary troglobitic species of Allokoenenia (Eukoeneniidae: Palpigradi) from Brazil: first records of this initially monotypic genus more than a century after its description
Fig. 12. Allokoenenia stygia sp. nov., ♀. A. Coxa of left pedipalp, holotype (MZSP 54247). B. Coxa of right leg I, paratype (MZSP 54249). C. Coxa of left leg II, holotype (MZSP 54247). D. Coxa of right leg III, paratype (MZSP 54249). E. Coxa of right leg IV, paratype (MZSP 54249). Scale bars = 60 μm. Thickened setae on coxae II, III and IV indicated by arrows.
Fig. 9 in Two extraordinary troglobitic species of Allokoenenia (Eukoeneniidae: Palpigradi) from Brazil: first records of this initially monotypic genus more than a century after its description
Fig. 9. Allokoenenia canhembora sp. nov. A. Map of Brazil showing the placement of the Caatinga Biome, delimited in yellow, and of Toca do Gonçalo Cave (red dot), the type locality of A. canhembora sp. nov. B. Entrance of Toca do Gonçalo Cave and its surrounding landscape, characterized by the semiarid climate. C. Gallery of the lower level (right branch) of Toca do Gonçalo Cave, where individuals of A. canhembora sp. nov. were observed. D. Puddle of water inside the Gruta do Gonçalo Cave, with numerous calcite rafts on its surface. E. Area of the cave devoid of water with muddy substrate covered by many layers of calcite rafts. F–G. Live specimens photographed on a tray before being captured. H. Habitus of the specimen (ISLA 50395) captured in 2014 under a stereo microcope.
Fig. 1. Allokoenenia afra Silvestri, 1913. A. Opisthosomal segments VIII–XI in Two extraordinary troglobitic species of Allokoenenia (Eukoeneniidae: Palpigradi) from Brazil: first records of this initially monotypic genus more than a century after its description
Fig. 1. Allokoenenia afra Silvestri, 1913. A. Opisthosomal segments VIII–XI and first flagellar segment, ♀, typus. B. Flagellum (second to fourteenth flagellar segments), ♀, typus. C. Frontal organ, immature, cotypus. Scale bars: A–B = 100 μm; C = 10 μm.
Fig. 11 in Two extraordinary troglobitic species of Allokoenenia (Eukoeneniidae: Palpigradi) from Brazil: first records of this initially monotypic genus more than a century after its description
Fig. 11. Allokoenenia stygia sp. nov., ♀. A. Deutotritosternal setae, holotype (MZSP 54247). B. Proximal setae (p 1–p 6) on basal segment of chelicera (p 1 out of focus), holotype (MZSP 54247). C. Opisthosomal segments VII–XI, paratype (MZSP 54249). D. Proximal region of cheliceral hand showing the two thickened setae, holotype (MZSP 54247). E. Chaetotaxy of opisthosomal tergite IV, paratype (MZSP 54249). F. Chaetotaxy of opisthosomal sternite IV, paratype (MZSP 54249). Abbreviations: see Material and methods. Scale bars: A–B = 30 μm; C = 100 μm; D = 35 μm; E–F = 20 μm.
FIGURE 1 in Two new troglobiotic palpigrades (Palpigradi: Eukoeneniidae) from Brazil
FIGURE 1. Eukoenenia jequitinhonha sp. n. Frontal organ, dorsal view. Scale bar 20 µm.
FIGURE 14 in Three new cave-dwelling Eukoenenia (Palpigradi: Eukoeneniidae) from limestone caves in Northern Minas Gerais state, Brazil
FIGURE 14. Eukoenenia lundi sp. nov. A, leg I, tarsus 3, left side, holotype (scale bar 80 μm); B, leg IV, basitarsus, right side, holotype (scale bar 60 μm); C, first lobe, female genitalia (scale bar 40 μm); D, second lobe, female genitalia (scale bar 40 μm); E, first lobe, male genitalia, left half (the sternal setae inserted close to the lobe are not shown) (scale bar 30 μm); F, second and third lobes, male genitalia, left half (scale bar 30 μm). Dotted circles and ellipses in Figs. C and D represent cuticular orifices; empty circles in Figs. E and F represent insertions of detached setae.
FIGURE 21 in Three new cave-dwelling Eukoenenia (Palpigradi: Eukoeneniidae) from limestone caves in Northern Minas Gerais state, Brazil
FIGURE 21. Eukoenenia jequitai sp. nov., leg I, right side. A, trochanter and femur; B, patella and tibia; C, basitarsi 1–4; D, tarsi 1–3. Scale bars 80 μm.
FIGURE 5 in Three new cave-dwelling Eukoenenia (Palpigradi: Eukoeneniidae) from limestone caves in Northern Minas Gerais state, Brazil
FIGURE 5. Eukoenenia magna sp. nov., leg I, right side of female II. A, trochanter and femur; B, patella and tibia; C, basitarsi 1– 4; D, tarsi 1–3. Scale bars 150 μm.
FIGURE 4 in Three new cave-dwelling Eukoenenia (Palpigradi: Eukoeneniidae) from limestone caves in Northern Minas Gerais state, Brazil
FIGURE 4. Eukoenenia magna sp. nov., pedipalp, right side. A, trochanter-femur, male II; B, tibia-basitarsus 2, female II; C, tarsi 1–3, female II. Scale bars: 150 μm (Figs. A–B) and (100 μm Fig. C).
FIGURE 8 in Three new cave-dwelling Eukoenenia (Palpigradi: Eukoeneniidae) from limestone caves in Northern Minas Gerais state, Brazil
FIGURE 8. Eukoenenia magna sp. nov., flagellar articles, male II. A, articles I–IV; B, articles V–VIII; C, articles IX–XIII. Scale bars 500 μm.
FIGURE 3 in Three new cave-dwelling Eukoenenia (Palpigradi: Eukoeneniidae) from limestone caves in Northern Minas Gerais state, Brazil
FIGURE 3. Eukoenenia magna sp. nov. A, propeltidial chaetotaxy (holotype); B, metapeltidial setae, female I; C, coxa of right pedipalp, female II; D, coxa of right leg I, female II; E, coxa of right leg II, female II; F, coxa of left leg III, female II; G, seta with reduced size and unusual shape replacing a thick seta on right coxa III, male II; H, coxa of left leg IV, female I. Thickened setae on coxae II, III and IV indicated by arrows. Scale bars: 200 μm (Fig. A), 5 μm (Fig. G) and 75 μm (Figs. B–F, H).
FIGURE 6 in Three new cave-dwelling Eukoenenia (Palpigradi: Eukoeneniidae) from limestone caves in Northern Minas Gerais state, Brazil
FIGURE 6. Eukoenenia magna sp. nov. A, chaetotaxy of opisthosomal tergite V, holotype; B, chaetotaxy of opisthosomal sternite VI, holotype; C, chaetotaxy of opisthosomal sternite V, female II; D, cuticular orifices (pointed by arrows) on first (flipped upwards) and second genital lobes, female I. The arrows in Figs. B and C indicate two pores between a1 setae. Scale bars 20 μm.
FIGURE 11 in Three new cave-dwelling Eukoenenia (Palpigradi: Eukoeneniidae) from limestone caves in Northern Minas Gerais state, Brazil
FIGURE 11. Eukoenenia lundi sp. nov., female holotype. A, propeltidial chaetotaxy; B, metapeltidial setae; C, coxa of left pedipalp; D, coxa of left leg I; E, coxa of right leg II; F, coxa of right leg III; G, coxa of right leg IV. The thickened setae on coxae II, III and IV are indicated by arrows. Scale bars: 100 μm (Fig. A), 40 μm (Fig. B) and 60 μm (Figs. C–G).
FIGURES 9–14 in A new species of Eukoenenia (Palpigradi: Eukoeneniidae) from Brazilian iron caves
FIGURES 9–14. Eukoenenia ferratilis sp. n. 9, coxa I of female 3; 10, coxa II of female 3; 11, coxa III of female 3; 12, coxa IV of female 3 (scale bar 60 µm); 13, opisthosoma of female 1, dorsal view; 14, opisthosoma of female 1, ventral view (scale bar 300 µm).
FIGURES 1–8 in A new species of Eukoenenia (Palpigradi: Eukoeneniidae) from Brazilian iron caves
FIGURES 1–8. Eukoenenia ferratilis sp. n. 1, frontal organ of female 3, dorsal view; 2, lateral organ of female 3, dorsal view (scale bar 20 µm); 3, propeltidial chaetotaxy of female 2 (scale bar 100 µm); 4, metapeltidial setae of female 2 (scale bar 50 µm); 5, deuto-tritosternal setae of female 3 (scale bar 40 µm); 6, chelicera of female 3 (scale bar 100 µm); 7, basitarsus 3–4 of leg I of female 4 (scale bar 40 µm); 8, basitarsus IV of female 4 (scale bar 40 µm).
FIGURES 15–17 in A new species of Eukoenenia (Palpigradi: Eukoeneniidae) from Brazilian iron caves
FIGURES 15–17. Eukoenenia ferratilis sp. n. 15, genitalia of female 3 (scale bar 60 µm); 16, genitalia of male (scale bar 60 µm); 17, bta IV of immature stage A (scale bar 40 µm).
FIGURES 11–12. Eukoenenia draco, genitalia. 11, female. 12, male. Scale bar 100 in Rediscovery of the troglobious palpigrade Eukoenenia draco (Peyerimhoff 1906) (Palpigradi: Eukoeneniidae), with notes on the adaptations to a cave-dwelling life
FIGURES 11–12. Eukoenenia draco, genitalia. 11, female. 12, male. Scale bar 100 µm. See Material and Methods for abbreviations.
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