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FIGURE 2 in An updated identification key to the pseudoscorpions (Arachnida: Pseudoscorpiones) of the Czech Republic and Slovakia

FIGURE 2. Characters of the family Chthoniidae; A, anterior part of carapace of Chthonius orthodactylus; B, palpal chela of C. diophthalmus (arrow shows flat but completed dentition of movable chelal finger); C, palpal chela of C. heterodactylus; D, anterior margin of carapace of C. heterodactylus; E, detail of chelal fingers of C. heterodactylus (arrows on fig. E, G show trichobothrium est); F, anterior margin of carapace of C. subterraneus; G, detail of chelal fingers of C. subterraneus; H, palpal chela of C. fuscimanus (arrow shows basal lamella); I, chelicera with detail of cheliceral movable finger of C. fuscimanus (arrow shows isolated subdistal tooth); J, chelicera of C. boldorii; scale 0.1 mm: D, I, J; 0.5 mm: A–C, E–H.

FIGURE 4 in An updated identification key to the pseudoscorpions (Arachnida: Pseudoscorpiones) of the Czech Republic and Slovakia

FIGURE 4. Characters of the family Neobisiidae; A, pedipalp of Neobisium beieri; B, palpal femur and patella of N. crassifemoratum (arrow shows pedicel on palpal femur); C, palpal femur and patella of N. simile (arrow shows line of tubercles); D, palpal femur and patella of N. brevidigitatum; E, anterior margin of carapace of N. carpaticum; F, anterior margin of carapace of N. fuscimanum; G, pedipalp of N. carpaticum; H, pedipalp of N. jugorum; I, pedipalp of Microbisium brevifemoratum; J, pedipalp of M. suecicum; K, palpal femur and patella of N. sylvaticum (arrows show typical tulip shape of patella). Scale lines 0.2 mm: E; 0.5 mm: B, F, I, J; 1 mm: A, C, D, G, H, K.

FIGURE 3 in An updated identification key to the pseudoscorpions (Arachnida: Pseudoscorpiones) of the Czech Republic and Slovakia

FIGURE 3. Characters of the families Syarinidae, Atemnidae, Neobisiidae and Larcidae; A, chelicera of Syarinus strandi (arrow shows galea); B, chelicera of Neobisium carcinoides (gs–galeal seta; arrow shows spinneret); C, chelicera of Atemnus politus (gs–galeal seta); D, carapace of N. slovacum; E, carapace of Roncus lubricus; F, carapace of N. fuscimanum; G, cheliceral rallum of R. transsilvanicus; H, cheliceral rallum of N. erythrodactylum (arrows on fig. H, I show denticulated blades); I, cheliceral rallum of Microbisium brevifemoratum; J, palpal femur of R. transsilvanicus; K, palpal femur of R. lubricus; L, fixed chelal finger of N. sylvaticum; M, chelal fingers of N. fuscimanum with abbreviations in terminology of trichobothria (movable finger: t–terminal, st–subterminal, sb–subbasal, b–basal; fixed finger: et–exterior terminal, est–exterior subterminal, esb–exterior subbasal, eb–exterior basal, it–interior terminal, ist–interior subterminal, isb–interior subbasal, ib–interior basal); N, fixed chelal finger of N. polonicum; O, fixed chelal finger of N. erythrodactylum; P, fixed chelal finger of N. carcinoides; Q, carapace of Larca lata. Scale lines 0.1 mm: G–I; 0.4 mm: C; 0.5 mm: A, B, D–F, J–M, O–Q; 1 mm: N.

FIGURE 1 in An updated identification key to the pseudoscorpions (Arachnida: Pseudoscorpiones) of the Czech Republic and Slovakia

FIGURE 1. Characters of the families Neobisiidae and Chthoniidae; A, leg I of Neobisium carcinoides (arrows on figs. A–D show tarsi); B, leg IV of N. carcinoides; C, leg I of Chthonius diophthalmus; D, leg IV of C. diophthalmus; E, pedal coxae I–IV of Mundochthonius styriacus (arrows on fig. E, F show coxal spines); F, pedal coxae I–IV of C. carinthiacus; G, carapace of M. carpaticus; H, carapace of M. styriacus; I, palpal chela of C. carinthiacus (arrow shows clearly rounded dorsum of chelal hand); J, palpal chela of C. tetrachelatus (arrow shows not rounded dorsum of chelal hand); K, palpal chela of C. tenuis; L, carapace of C. hungaricus; M, carapace of C. ischnocheles (arrow shows epistome); scale 0.5 mm: A–M.

FIGURE 5 in An updated identification key to the pseudoscorpions (Arachnida: Pseudoscorpiones) of the Czech Republic and Slovakia

FIGURE 5. Characters of the families Cheiridiidae, Atemnidae, Chernetidae and Cheliferidae; A, carapace of Apocheiridium ferum; B, carapace of Chelifer cancroides; C, carapace of Chernes hahnii; D, pedipalp of A. ferum with measurement examples (arrow shows basally widened femur); E, pedipalp Cheiridium museorum; F, chelal fingers of Atemnus politus (arrow shows venom apparatus); G, chelal fingers of Dendrochernes cyrneus (arrows show examples of accessory teeth); H, chelal fingers of Dactylochelifer latreillii (arrow shows trichobothrium it); I, tarsus IV of A. politus; J, tarsus IV of Diplotemnus insolitus; K, palpal femur of Lamprochernes chyzeri (arrow shows pointed seta); L, tarsus IV of L. chyzeri; M, palpal femur of C. hahnii (arrow shows clavate seta); N, tarsus IV of Pselaphochernes scorpioides; O, leg I of Anthrenochernes stellae; P, leg IV of A. stellae; Q, leg IV of L. nodosus (arrow shows tactile seta on palpal patella); R, palpal trochanter and femur of L. nodosus (arrows on fig. R, S show protuberance on palpal trochanter); S, palpal trochanter and femur of L. chyzeri; T, tarsus IV of Chernes similis. Scale lines 0.1 mm: L, N, T; 0.2 mm: I–K, M, R, S; 0.5 mm: A–H, O–Q.

FIGURES 26–27 in Four new troglobiotic species of the genus Megalothorax Willem, 1900 (Collembola: Neelipleona) from the Carpathian Mountains (Slovakia, Romania)

FIGURES 26–27. Megalothorax carpaticus sp. nov.: 26, right antenna, dorsal view (sensillum of Ant. III organ and apical organite enlarged); 27, furca, posterior view, a—lateral view of mucro.

FIGURES 13–16 in Four new troglobiotic species of the genus Megalothorax Willem, 1900 (Collembola: Neelipleona) from the Carpathian Mountains (Slovakia, Romania)

FIGURES 13–16. Megalothorax tatrensis sp. nov.: 13, leg I; 14, leg II; 15, leg III; 16, unguis and unguiculus of leg I.

FIGURES 1–6 in Four new troglobiotic species of the genus Megalothorax Willem, 1900 (Collembola: Neelipleona) from the Carpathian Mountains (Slovakia, Romania)

FIGURES 1–6. Megalothorax tatrensis sp. nov.: 1, head, dorsal side; 2, anterior part of head with labrum, chaetae of anterior row enlarged; 3, mandible; 4, head of maxilla; 5, maxillary outer lobe, o.f.—oral fold, b.s.—basal chaeta, sl.h.— sublobal hair, t.h.—terminal hair; 6, ventral side of head with labium and connection of integumentary channels with linea ventralis, b.f.l.—basolateral field of labium.

FIGURES 36–38 in Four new troglobiotic species of the genus Megalothorax Willem, 1900 (Collembola: Neelipleona) from the Carpathian Mountains (Slovakia, Romania)

FIGURES 36–38. Megalothorax hipmani sp. nov.: 36, chaetotaxy and arrangement of sensory fields on thorax and abdomen, a—sensillum s3 enlarged, b—abdominal sensory field (enlarged), c—Abd. V–VI with anal valve and female genital plate (enlarged, av—anal valve chaetae), d—sensory field at leg III base (enlarged), e—sensory field at leg II base (enlarged), f—thoracal sensory field (enlarged); 37, tubus ventralis; 38, retinaculum.

FIGURES 11–12 in Four new troglobiotic species of the genus Megalothorax Willem, 1900 (Collembola: Neelipleona) from the Carpathian Mountains (Slovakia, Romania)

FIGURES 11–12. Megalothorax tatrensis sp. nov.: 11, right antenna, dorsal view (sensillum of Ant. III organ and apical organite enlarged); 12, furca, posterior view.

FIGURES 32–35 in Four new troglobiotic species of the genus Megalothorax Willem, 1900 (Collembola: Neelipleona) from the Carpathian Mountains (Slovakia, Romania)

FIGURES 32–35. Megalothorax hipmani sp. nov.: 32, head, dorsal side; chaetae of anterior row enlarged; 33, mandible from two different views; 34, maxillary outer lobe; 35, ventral side of head with labium and connection of integumentary channels with linea ventralis.

FIGURES 22–25 in Four new troglobiotic species of the genus Megalothorax Willem, 1900 (Collembola: Neelipleona) from the Carpathian Mountains (Slovakia, Romania)

FIGURES 22–25. Megalothorax carpaticus sp. nov.: 22, chaetotaxy and arrangement of sensory fields on thorax and abdomen, a—abdominal sensory field (enlarged), b—Abd. V–VI with anal and female genital field (av—anal valve chaetae), c—sensory field at leg III base (enlarged), d—sensory field at leg II base (enlarged), e—thoracal sensory field (enlarged); 23, tubus ventralis; 24, retinaculum; 25, male genital plate.

FIGURES 7–10 in Four new troglobiotic species of the genus Megalothorax Willem, 1900 (Collembola: Neelipleona) from the Carpathian Mountains (Slovakia, Romania)

FIGURES 7–10. Megalothorax tatrensis sp. nov.: 7, chaetotaxy and arrangement of sensory fields on thorax and abdomen, a—thoracal sensory field (enlarged), b—sensory field at leg II base (enlarged), c—sensory field at leg III base (enlarged), d—abdominal sensory field (enlarged); 8, tubus ventralis; 9, retinaculum; 10, Abd. V–VI with anal and female genital field, Abd. VI te—tergum, Abd. VI st—sternum, gp—genital plate, ns—neosminthuroid chaetae, avanal valve chaetae.

FIGURES 58–61 in Four new troglobiotic species of the genus Megalothorax Willem, 1900 (Collembola: Neelipleona) from the Carpathian Mountains (Slovakia, Romania)

FIGURES 58–61. Integumentary channels on head: 58, Megalothorax tatrensis sp. nov.—dorsally; 59, Megalothorax carpaticus sp. nov.—dorsally, a—ventrolateral view of head with integumentary channels; 60, Megalothorax hipmani sp. nov.—on headback; 61, Megalothorax draco sp. nov.—dorsally and laterally on headback.

FIGURES 28–31 in Four new troglobiotic species of the genus Megalothorax Willem, 1900 (Collembola: Neelipleona) from the Carpathian Mountains (Slovakia, Romania)

FIGURES 28–31. Megalothorax carpaticus sp. nov.: 28, leg I; 29, leg II; 30, leg III; 31, unguis and unguiculus of leg I.

FIGURES 54–57 in Four new troglobiotic species of the genus Megalothorax Willem, 1900 (Collembola: Neelipleona) from the Carpathian Mountains (Slovakia, Romania)

FIGURES 54–57. Megalothorax draco sp. nov.: 54, leg I; 55, leg II; 56, leg III; 57, unguis and unguiculus of leg I.

FIGURES 17–21 in Four new troglobiotic species of the genus Megalothorax Willem, 1900 (Collembola: Neelipleona) from the Carpathian Mountains (Slovakia, Romania)

FIGURES 17–21. Megalothorax carpaticus sp. nov.: 17, head, dorsal side, chaetae of anterior row enlarged; 18, mandible; 19, maxillary outer lobe; 20, head of maxilla; 21, ventral side of head with labium and connection of integumentary channels with linea ventralis.

FIGURES 50–51 in Four new troglobiotic species of the genus Megalothorax Willem, 1900 (Collembola: Neelipleona) from the Carpathian Mountains (Slovakia, Romania)

FIGURES 50–51. Megalothorax draco sp. nov.: 50, chaetotaxy and arrangement of sensory fields on thorax and abdomen, a—sensory field at leg III base (enlarged), b—sensory field at leg II base with sensillum s1 (enlarged), cthoracal sensory field (enlarged), d—tubus ventralis, e—retinaculum, f—Abd. V–VI with anal valve, female genital plate and neosminthuroid chaetae (enlarged), g—abdominal sensory field (enlarged), h—sensillum s3 enlarged, av—anal valve, gp—genital plate, ns—neosminthuroid chaetae; 51, male genital plate.

FIGURES 41–44 in Four new troglobiotic species of the genus Megalothorax Willem, 1900 (Collembola: Neelipleona) from the Carpathian Mountains (Slovakia, Romania)

FIGURES 41–44. Megalothorax hipmani sp. nov.: 41, leg I; 42, leg II; 43, leg III; 44, unguis and unguiculus of leg I.

FIGURES 39–40 in Four new troglobiotic species of the genus Megalothorax Willem, 1900 (Collembola: Neelipleona) from the Carpathian Mountains (Slovakia, Romania)

FIGURES 39–40. Megalothorax hipmani sp. nov.: 39, left antenna, dorsal view (apical organite of Ant. IV enlarged, position marked with star); 40, furca, posterior view.