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35 results for “Ornithodoros”
FIGURES 1–6 in Description of nymphal instars of Ornithodoros mimon Kohls, Clifford & Jones, 1969 (Acari: Argasidae)
FIGURES 1–6. Scanning electron microscopy of Ornithodoros mimon, first nymphal instar (N1): 1. Capitulum, small cheeks arrowed; 2. Idiosoma dorsal view, discs arrowed; 2a. Detail on dorsal integument; 3. Idiosoma ventral view, coxal gland pairs arrowed, pa: preanal groove, mpa: medial postanal groove and tpa: transverse postanal groove; 4. Idiosoma lateral view, spiracular plate arrowed, coxae II, III and IV represented by roman number; 5. Spiracular plate; 6. Tarsus I, capsule of Haller's organ arrowed. Scale bars: 1-2a-4, 150 µm; 2–3, 500 µm; 5–6, 50 µm.
FIGURES 14–20 in Ornithodoros brasiliensis Aragão (Acari: Argasidae): description of the larva, redescription of male and female, and neotype designation
FIGURES 14–20. Scanning electron microscopy of Ornithodoros brasiliensis male. 14. Capitulum, hypostome smaller than the female (arrowed). 15. Idiosoma dorsal view, the circle corresponds a disc of the tegument, dorsoventral groove distinct (arrowed). 16. A disc of the tegument increased 500x. 17. Idiosoma ventral view. 18. Four pairs of bulging lateral structures on supracoxal folds (arrowed). 19. Bulging lateral structure in focus. 20. Tarsus I, rounded and prominent dorsal humps present, large capsule of Haller's organ with numerous halleral setae (arrowed). Scale bars: 14, 500µm; 15, 1000µm; 16, 200µm; 17, 600µm; 18, 500µm; 19, 250µm; 20, 60µm.
FIGURES 7–13 in Ornithodoros brasiliensis Aragão (Acari: Argasidae): description of the larva, redescription of male and female, and neotype designation
FIGURES 7–13. Scanning electron microscopy of Ornithodoros brasiliensis female. 7. Capitulum. 8. Idiosoma dorsal view, dorsoventral groove distinct (arrowed). 9. Idiosoma ventral view. 10. Idiosoma lateral view, spiracular plate (arrowed). 11. Preanal, transverse postanal and medium postanal grooves (arrowed). 12. Tarsus I, with a pointed dorsal hump, anterior to Haller's organ, and 3 posterior rounded (arrowed). 13. Hallers' organ, with large capsule and distal hump (arrowed). Abbreviations: PA, preanal groove; Ph, post hypostomal setae; Tpa, transverse postanal groove; Mpa, medium postanal groove. Scale bars: 7–10– 12, 300µm; 8–9–11, 500µm; 13, 60µm.
FIGURES 1–6 in Ornithodoros brasiliensis Aragão (Acari: Argasidae): description of the larva, redescription of male and female, and neotype designation
FIGURES 1–6. Scanning electron microscopy of Ornithodoros brasiliensis larva. 1. Capitulum dorsal view, presence of short spines palpal article I (arrowed). 2. Capitulum ventral view. 3. Idiosoma dorsal view, dorsal plate (arrowed). 4. Idiosoma ventral view, mild transverse postanal groove present (arrowed). 5. Opisthosoma ventral view, presence of two posteromedian setae in one specimen (arrowed). 6. Capsule of Haller's organ open, numerous halleral spinose setae present (arrowed). Abbreviations: A, anal setae; C, dorsal central setae; CA, circumanal setae, DAL, dorsal anterolateral setae; DPL, dorsal posterolateral setae; Ph, post hypostomal setae; PM, posteromedian setae; ST (sternal setae), VPL, ventral posterolateral setae. Scale bars: 1, 90µm; 2, 60µm; 3–4, 300µm; 5, 40µm; 6, 30µm.
FIGURE 28 in Ornithodoros brasiliensis Aragão (Acari: Argasidae): description of the larva, redescription of male and female, and neotype designation
FIGURE 28. Phylogenetic tree based on 16 Argasidae ticks and Ixodes holocyclus (outgroup). The alignment was made with 631 characters (including gaps) of the 16S rRNA mitochondrial gene used in the analysis. The Bayesian support (posterior probabilities) values are derived from 500 replicates. The branch length scale is the number of substitutions per site. The species with similar morphology are in a grey box.
FIGURES 21–27 in Ornithodoros brasiliensis Aragão (Acari: Argasidae): description of the larva, redescription of male and female, and neotype designation
FIGURES 21–27. Tarsi of adults of Ornithodoros rostratus (Figures 21–25) and Ornithodoros brasiliensis (Figures 26–27). 21. Tarsus I of O. rostratus, the distal and proximal dorsal humps (arrowed). 22. Capsule of Haller's organ of O. rostratus. 23– 25. Tarsi II–IV of O. rostratus, distal and proximal humps present on figures 23–24 (arrowed), and the proximal hump on tarsus IV is absent on figure 25. 26. Tarsus III of O. brasiliensis, rounded dorsal humps present (arrowed). 27. Tarsus IV of O. brasiliensis, proximal and dorsal humps present. (arrowed) Scale bars: 21, 90µm; 22, 40µm; 23–25, 120µm; 26–27, 200µm.
FIGURES 4–7 in Ornithodoros guaporensis (Acari, Ixodida: Argasidae), a new tick species from the Guaporé River Basin in the Bolivian Amazon
FIGURES 4–7. Larva of Ornithodoros guaporensis. 4. Dorsal idiosoma. 5. Dorsal plate. 6. Hypostome. 7. Capitulum, ventral view.
FIGURE 16 in Ornithodoros guaporensis (Acari, Ixodida: Argasidae), a new tick species from the Guaporé River Basin in the Bolivian Amazon
FIGURE 16. Principal components analysis of the body and setal measurements of the larvae of Ornithodoros guaporensis (G1–G10), Ornithodoros rioplatensis (R1–R10), Ornithodoros puertoricensis (P1–P10) and Ornithodoros talaje (T1–T5), using the features detailed in Table 1. Each point constitutes the position of each measured specimen on the reduced space.
FIGURE 15 in Ornithodoros guaporensis (Acari, Ixodida: Argasidae), a new tick species from the Guaporé River Basin in the Bolivian Amazon
FIGURE 15. Optical micrographs of the hypostomes of the larvae of Ornithodoros guaporensis (A), Ornithodoros puertoricensis (B), and Ornithodoros rioplatensis (C). Arrows indicate denticles in hypostomal row 3.
FIGURE 14 in Ornithodoros guaporensis (Acari, Ixodida: Argasidae), a new tick species from the Guaporé River Basin in the Bolivian Amazon
FIGURE 14. Maximum-likelihood tree based on 16S rDNA partial sequences. Numbers represent bootstrap support generated from 1,000 replications. GenBank accession numbers are also indicated. An., Antricola; O., Ornithodoros; N., Nothoaspis; Ot., Otobius; Ar., Argas.
FIGURES 8–13 in Ornithodoros guaporensis (Acari, Ixodida: Argasidae), a new tick species from the Guaporé River Basin in the Bolivian Amazon
FIGURES 8–13. Adults of Ornithodoros guaporensis. 8. Female, dorsal idiosoma. 9. Female, ventral idiosoma. 10. Female, capitulum, ventral view. 11. Male, ventral idiosoma. 12. Female, hypostome. 13. Female, capsule of Haller's organ. Note: Male is similar to the female except for the genital area (see figure 11).
Fig. 5. Phylogenetic tree including Ornithodoros huajianensis n in Ornithodoros (Ornithodoros) huajianensis sp. nov. (Acari, argasidae), a new tick species from the Mongolian marmot (Marmota bobak sibirica), Gansu province in China
Fig. 5. Phylogenetic tree including Ornithodoros huajianensis n. sp. and other selected species of Ixodes based on 16S rDNA. The alignment was produced using Clustal X and the tree was inferred by means of the MP method with 500 replicates of random addition. The species Otobius megnini was used as outgroup. The Bayesian support (posterior probability) values are derived from 1,000,000 replicates.
Fig. 1. Ornithodoros huajianensis n in Ornithodoros (Ornithodoros) huajianensis sp. nov. (Acari, argasidae), a new tick species from the Mongolian marmot (Marmota bobak sibirica), Gansu province in China
Fig. 1. Ornithodoros huajianensis n. sp. (female, holotype): A) dorsal view, entire; B) ventral view, entire; C) basis capitulum; D) Coxa I ∼ IV.
Fig. 3. Ornithodoros huajianensis n in Ornithodoros (Ornithodoros) huajianensis sp. nov. (Acari, argasidae), a new tick species from the Mongolian marmot (Marmota bobak sibirica), Gansu province in China
Fig. 3. Ornithodoros huajianensis n. sp. (male, paratype): A) basis capitulum; B) ventral view, entire; C) Coxa I ∼ IV; D) tarsi II and IV; E) Spiracle plate; F) genital apron; G) comparative morphology of genital apron in O. moubata.
FIGURES 1–3 in Ornithodoros guaporensis (Acari, Ixodida: Argasidae), a new tick species from the Guaporé River Basin in the Bolivian Amazon
FIGURES 1–3. Larva of Ornithodoros guaporensis. 1. Dorsal idiosoma. 2. Ventral idiosoma. 3. Tarsus 1.
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