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FIGURE 7 in The taxonomy of the American Ariadna Audouin (Araneae: Synspermiata: Segestriidae)

FIGURE 7. SEM images of Ariadna boliviana Simon, 1907, female from Paranaíba (IBSP 14084) (A‒G): left leg I, prolateral view (A); left metatarsus and tarsus I, prolateral view (B); left metatarsus and tarsus, ventral view (C); left tarsus I, ventral view (D), thickened tactile setae in blue, chemosensory setae in yellow; right metatarsus and tarsus IV, prolateral view (E), arrowheads = brush of thickened and serrated setae; right metatarsus IV, ventro-retrolateral view, distal preening comb of macrosetae (F), asterisks = thickened and serrated setae; left tarsus I, ventral view, detail of thickened setae.

FIGURE 1 in The taxonomy of the American Ariadna Audouin (Araneae: Synspermiata: Segestriidae)

FIGURE 1. Images of live specimens of Ariadna: Ariadna mollis (Holmberg, 1876), male (A) and female (B); Ariadna crassipalpa (Blackwall, 1863), female (C); Aridna comata O. P.-Cambridge, 1898, female (D). Photos by R.P. Indicatti (A‒C) and L.S. Carvalho (D).

FIGURE 4 in The taxonomy of the American Ariadna Audouin (Araneae: Synspermiata: Segestriidae)

FIGURE 4. SEM imagens of Ariadna boliviana Simon, 1907, males from Parque Estadual do Rio Doce (UFMG 10501) (A‒C) and Estação Ecológica de Jataí (IBSP 166947) (D‒E), and female from Paranaíba (IBSP 14084) (F‒G): left palp, retrolateral (A) and frontal view (B), arrowhead = cymbium distal notch, inset = trichobothrium from palp tibia; embolus tip, retrolateral view (C); bulb, internal view of spermatic duct (D), arrowhead = internal porous stripe; internal porous stripe in detail, internal view (E); right palp, ventro-prolateral view (F), asterisk = thickened and serrated tactile setae; apical region of palp tarsus, arrowheads = chemosensory setae, asterisks = thickened and serrated tactile setae.

FIGURE 22. Ariadna boesenbergi Keyserling, 1877 in The taxonomy of the American Ariadna Audouin (Araneae: Synspermiata: Segestriidae)

FIGURE 22. Ariadna boesenbergi Keyserling, 1877. Male from Reserva Biológica São Donato (IBSP 166778) (A‒E): Habitus, dorsal (A) and ventral view (B); left leg I, prolateral view (C) and retrolateral view (D); left metatarsi I, ventral view (E). Female from Parque Natural INIA Las Brujas (IBSP 166779) (F‒J): habitus, dorsal (F) and ventral view (G); epigastric furrow (H), arrowheads = ventral anterior sigillae; right leg I, prolateral (I) and retrolateral view (J). Scale bar: 1mm.

FIGURE 9 in The taxonomy of the American Ariadna Audouin (Araneae: Synspermiata: Segestriidae)

FIGURE 9. SEM images of Ariadna maxima (Nicolet, 1849), females from Santiago (IBSP 166664) (A‒B) and Doñihue (IBSP 166795) (C‒D): internal genitalia, frontal view (A); internal genitalia, lateral view (B), arrowhead = median membranous crack; internal genitalia, frontal view, anterior receptaculum broken (C), asterisk = opening of the anterior receptaculum connected to the bursa copulatrix; internal wall of the anterior receptaculum (D), inset = pore of a glandular duct.

FIGURE 6 in The taxonomy of the American Ariadna Audouin (Araneae: Synspermiata: Segestriidae)

FIGURE 6. SEM images of Ariadna tarsalis Banks, 1902, male from Barbones (MUSM 0504979) (A‒F): right metatarsus and tarsus I, ventral view, showing examples of modifications in the male metatarsus I; modified macrosetae (B‒D); tarsal claws, prolateral view (E), arrowhead = denticle in the inferior claw, asterisk = tarsal organ; tarsal organ, dorsal view (F), arrowheads = rimmed receptors.

FIGURE 11 in The taxonomy of the American Ariadna Audouin (Araneae: Synspermiata: Segestriidae)

FIGURE 11. Ariadna maxima (Nicolet, 1849), female from Santiago (IBSP 161292), after enzime prepatarion: habitus, dorsal view, without carapace and dorsal part of the abdomen (A); cephalothorax and anterior region of the abdomen, dorsal view (B); anterior region of the abdomen, dorsal view (C); posterior receptaculum, dorsal view, tubular invaginations (D).

FIGURE 12 in The taxonomy of the American Ariadna Audouin (Araneae: Synspermiata: Segestriidae)

FIGURE 12. Ariadna bicolor (Hentz, 1842). Male from Rockville (USNM) (A‒E): Habitus, dorsal (A) and ventral view (B); Left leg I, prolateral view (C) and retrolateral (D), arrowhead = lanceolated macroseta; Left metatarsus I, ventral view (E). Female from 2 mi W. Cedar Crk. (USNM) (F‒I): Habitus, dorsal (F) and ventral view (G); Right leg I, prolateral (H) and retrolateral view (I). Scale bar: 1mm.

FIGURE 8 in The taxonomy of the American Ariadna Audouin (Araneae: Synspermiata: Segestriidae)

FIGURE 8. SEM images of Ariadna boliviana Simon, 1907, female from Paranaíba (IBSP 14084) (A‒F): spinnerets, ventroposterior view (A), arrowheads = diagnal membranous stripe from ALS; right PLS, posterior view (B); left PMS, posterior view (C); right ALS, posterior view (D), asterisk = prolateral field of strain sensillae; left ALS, detail of the prolateral field of strain sensillae (E), arrowhead = canoe-shaped area, asterisks = rounded areas; colulus, ventral view (F).

FIGURE 21 in The taxonomy of the American Ariadna Audouin (Araneae: Synspermiata: Segestriidae)

FIGURE 21. Ariadna mollis (Holmberg, 1876). Male from Parque Estadual do Jaraguá (IBSP 166961) (A‒B): left palp, prolateral (A) and retrolateral view (B). Female from Perdizes (MZSP 1709) (C‒D): Internal genitalia, lateral view (C); Anterior receptaculum, ventral view (D). Scale bar: 1mm.

FIGURE 17 in The taxonomy of the American Ariadna Audouin (Araneae: Synspermiata: Segestriidae)

FIGURE 17. Ariadna obscura (Blackwall, 1858). Male from Mata São João (IBSP 85421) (A‒B): left palp, prolateral (A) and retrolateral view (B). Female from Una (IBSP 18283) (C‒D): Internal genitalia, lateral view (C); Anterior receptaculum, ventral view (D). Scale bar: 1mm.

FIGURE 5. Ariadna boliviana Simon, 1907 in The taxonomy of the American Ariadna Audouin (Araneae: Synspermiata: Segestriidae)

FIGURE 5. Ariadna boliviana Simon, 1907, male from Morrinhos (IBSP 152775) (A‒B): left palp, retrolateral view, midportion showing the less sclerotized region in detail (A); tarsus-metatarsus IV junction, retrolateral view (B), arrowheads = ventral brush of putative chemosensory setae, asterisk = preening comb of macrosetae.

FIGURE 3 in The taxonomy of the American Ariadna Audouin (Araneae: Synspermiata: Segestriidae)

FIGURE 3. SEM images of Ariadna boliviana Simon, 1907, male from Estação Ecológica de Jataí (IBSP 166947) (A, C‒F) and female from Paranaíba (IBSP 14084) (B): cephalothorax, dorsal view (A, B); chelicerae, frontal view (C), arrowheads = basal transverse ridge, asterisks = basal longitudinal band of ridges and/or tubercles; left chelicera, ventro-prolateral view (D), arrowhead = internal serrula, asterisk = left inset = cheliceral tooth, right inset = cheliceral gland; endites and labium, ventral view (E); endites and labrum, frontal view (F), inset = setae that compose the distal setae tuft.

FIGURE 2 in The taxonomy of the American Ariadna Audouin (Araneae: Synspermiata: Segestriidae)

FIGURE 2. Some habitats of Ariadna specimens: hole in a tree log (A); funnel web build between tree bark and epiphyte root (B); rock crevices (C); under rocks (D); antropic constructions (E‒F). Photos by R.P. Indicatti (A, C, E), L.S. Carvalho (B), I.L.S. Magalhães (D), and A.M. Giroti (F).

FIGURE 15 in The taxonomy of the American Ariadna Audouin (Araneae: Synspermiata: Segestriidae)

FIGURE 15. Ariadna maxima (Nicolet, 1849). Male from Illapel (IBSP 166832) (A‒B): left palp, prolateral view (A) (arrowhead = chemosensory patch), and retrolateral view (B). Female from Santiago (IBSP 161292) (C‒D): internal genitalia, lateral view (C); anterior receptaculum, ventral view (D). Scale bar: 1mm.

FIGURE 20 in The taxonomy of the American Ariadna Audouin (Araneae: Synspermiata: Segestriidae)

FIGURE 20. Ariadna mollis (Holmberg, 1876). Male from Parque Estadual do Jaraguá (IBSP 166961) (A‒E): habitus, dorsal (A) and ventral view (B); right leg I, prolateral (C) and retrolateral view (D); right metatarsus I, ventral view (E). Female from Instituto Butantan (IBSP 72885) (F‒I): habitus, dorsal (F) and ventral view (G); right leg I, prolateral (H) and retrolateral view (I). Scale bar: 1mm.

FIGURE 4 in A new species of the armored spider genus Caraimatta Lehtinen, 1981 from Colombia (Araneae: Synspermiata: Tetrablemmidae)

FIGURE 4. Caraimatta brescoviti sp. nov. Abdomen in ventral view: A. Male, B. Female. Abbreviations: A = anal plate; EF = epigynal fold; EP = epigynal pit; L = lateral plate; P = pulmonary plate; PA = preanal plate; PG = postgenital plate.

FIGURE 1 in A new species of the armored spider genus Caraimatta Lehtinen, 1981 from Colombia (Araneae: Synspermiata: Tetrablemmidae)

FIGURE 1. Caraimatta brescoviti sp. nov. A–C. Male holotype (ICN-Ar-10750) habitus: A. Dorsal view, B. Lateral view, C. Ventral view. D–F. Female paratype (ICN-Ar-10751) habitus: D. Dorsal view, E. Lateral view, F. Ventral view.

FIGURE 6 in A new species of the armored spider genus Caraimatta Lehtinen, 1981 from Colombia (Araneae: Synspermiata: Tetrablemmidae)

FIGURE 6. Map showing the distribution of Caraimatta species and Monoblemma muchmorei in America (the detailed area shows the distribution of Caraimatta brescoviti sp. nov. in the tropical dry forest of Caribbean region of Colombia).

FIGURE 5 in A new species of the armored spider genus Caraimatta Lehtinen, 1981 from Colombia (Araneae: Synspermiata: Tetrablemmidae)

FIGURE 5. Monoblemma muchmorei (AMNH) female paratype from Virgin Islands (U.S.). A. Dorsal view, B. Ventral view. Photographs courtesy of Norman Platnick and Lily Berniker (AMNH).