Figures 1-4.
Larva of Antricola. 1. Idiosoma dorsal view,
showing dorsolateral and central setae (arrow). 2. Idiosoma ventral
view, showing pulvilli enlarged (arrow). 3. Dorsal plate. 4.
Gnathosoma ventral view, showing hypostome 3/3 (arrow).
Scale bars: 1-2, 90 µm; 3, 30
µm; 4, 60 µm.
Figures 5-9.
Nymph of Antricola. 5. Idiosoma dorsal view,
showing lateral tubercles elongated (arrow). 5a. Lateral tubercles
in detail (arrow). 6. Idiosoma ventral view, showing post-anal
groove weakly produced and a wide prominent tubercle posterior to
the transverse post-anal groove, without setae (arrow). 7.
Capitulum, showing hypostome slightly longer than wide with a few
small denticles (arrow). 8. Spiracular plate. 9. Tarsus I, showing
Haller's organ with a rounded capsule open only in a small
central portion (arrow). Scale bars: 5, 600
µm; 5a, 200 µm; 6, 300 µm; 7, 80 µm;
8, 40 µm; 9, 60 µm.
Figures 10-14.
Larva of Argas. 10. Idiosoma dorsal view,
showing elongated plate (arrow). 11. Idiosoma ventral view. 12.
Gnathosoma ventral view, showing dentition 4/4 close to the apex.
13. Gnathosoma dorsal view. 14. Tarsus I, showing Haller's
organ with small capsule aperture transversely slit-like (arrow).
Scale bars: 10, 200 µm; 11, 120
µm; 12, 60 µm; 13, 40 µm; 14, 140
µm.
Figures 15-18.
Nymph of Argas. 15. Idiosoma dorsal view,
showing suture distinguishing dorsal surface from ventral surface
(arrow). 15a. Discs of the tegument in detail. 16. Idiosoma ventral
view. 17. Gnathosoma ventral view. 18. Tarsus I, showing
Haller's organ with capsule perforated (arrow). Scale
bars: 15-16, 300 µm; 15a, 40 µm; 17-18,
60 µm.
Figures 19-28.
Larva of Ornithodoros. 19. O.
mimon, showing dorsal plate with piriform shape. 20.
O. marinkellei, showing dorsal plate with
elongated subrectangular shape. 21. O. rostratus,
showing dorsal plate with subrectangular shape presenting concavity
anteriorly and posteriorly. 22. O fonsecai, showing
dorsal plate with piriform shape. 23. Capitulum of O.
fonsecai, showing pointed hypostome and dentition 3/3
near to the apex. 24. Capitulum of O. rostratus,
showing spatulated hypostome and dentition 2/2. 25. Capitulum of
O. mimon, showing spatulated hypostome and
dentition 4/4 near to the apex. 26. Haller's organ of
O. brasiliensis, showing capsule aperture
transversely slit-like and large. 27. Haller's organ of
O. rostratus, showing capsule aperture
transversely slit-like, occupying part of dorsum. 28. Haller's
organ of O. mimon, showing small capsule with
aperture transversely slit-like, occupying part of dorsum.
Scale bars: 19, 30 µm; 20, 60
µm; 21, 20 µm; 22, 60 µm; 23-24, 60
µm; 25, 40 µm; 26, 30 µm; 27, 50 µm;
28, 40 µm.
Figures 29-32.
Nymph of Ornithodoros (first nymphal instar).
29. Gnathosoma of O. mimon. 30. Idiosoma dorsal
view of O. mimon. 31. Gnathosoma of O.
brasiliensis. 32. Idiosoma dorsal view of O.
brasiliensis, with dorsoventral grooves present
(arrow). Scale bars: 29, 100 µm; 30, 250
µm; 31, 250 µm. 32, 500 µm.
Figures 33-36.
Larva of Otobius. 33. Idiosoma dorsal view,
showing two pairs of eyes (arrow). 34. Haller's organ, showing
branch-like posterior projections and very long posthalleral setae
(arrow). 35. Gnathosoma dorsal view. 36. Gnathosoma ventral view.
Scale bars: 33, 90 µm; 34, 30
µm; 35, 40 µm; 36, 60 µm.
Figures 37-41.
Nymph of Otobius. 37. Idiosoma dorsal view,
showing integument with spines. 38. Idiosoma ventral view, showing
spines absent in the area surrounding the capitulum. 39. Capitulum,
showing hypostomal dentition 4/4. 40. Idiosoma lateral view, showing
spiracular plate conical (arrow). 41. Tarsus I, showing
Haller's organ with capsule aperture transversely slit-like,
elevated and large, bordered superiorly with prolonged pointed
projections (arrow). Scale bars: 37, 600
µm; 38, 800 µm; 39, 90 µm; 40, 400
µm; 41, 30 µm.