taxonID	type	description	language	source
A7F0FB85712B57D683FC55EEA8A51C38.taxon	materials_examined	Material examined. Holotype female (IBB 82002, preserved in ethanol: Kyrgyzstan, Osh Province, vicinity of Aravan, Duvankhan Cave (40 ° 32 ' 30.15 " N, 72 ° 29 ' 49.05 " E), 09 August 2019, leg. R. L Ferreira. Paratype female (ISLA 66250), on SEM stub: same data as holotype.	en	Prado 1, Guilherme C., Viana 1, Ana Clara M., Milko 2, Dmitry A., Ferreira 1, Rodrigo L. (2021): Chthonius kirghisicus (Pseudoscorpiones, Chthoniidae), a new cave-dwelling species from Kyrgyzstan. Subterranean Biology 40: 27-41, DOI: http://dx.doi.org/10.3897/subtbiol.40.67303, URL: http://dx.doi.org/10.3897/subtbiol.40.67303
A7F0FB85712B57D683FC55EEA8A51C38.taxon	etymology	Etymology. The epithet Chthonius kirghisicus is an adjective that refers to the country where the specimens were collected, Kyrgyzstan.	en	Prado 1, Guilherme C., Viana 1, Ana Clara M., Milko 2, Dmitry A., Ferreira 1, Rodrigo L. (2021): Chthonius kirghisicus (Pseudoscorpiones, Chthoniidae), a new cave-dwelling species from Kyrgyzstan. Subterranean Biology 40: 27-41, DOI: http://dx.doi.org/10.3897/subtbiol.40.67303, URL: http://dx.doi.org/10.3897/subtbiol.40.67303
A7F0FB85712B57D683FC55EEA8A51C38.taxon	diagnosis	Diagnosis. Chthonius kirghisicus sp. nov. differs from other members of the subgenus by the following combination of characters: one pair of eyes (C. tadzhikistanicus with four feebly small eyes, C. aquasanctae with two eyespots, C. pagus and C. submontanus bearing two anterior well-developed eyes and two posterior eyespots, C. shelkovnikovi, C. carinthiacus, C. delmastroi and C. tenuis with four well developed eyes, C. azerbaidzhanus and C. satapliaensis lack eyes or eye spots) (Redikorzev 1930; Schawaller and Dashdamirov 1988; Dashdamirov and Schawaller 1992; Gardini 2009; Christophoryova et al. 2011; Curcic et al. 2011, 2012 a); epistome large and heavily dentated (C. azerbaidzhanus, C Chthonius pagus and C. satapliaensis with small dentated epistome, C. carinthiacus and C. aquasanctae with a distinct but small epistome, C. ponticus, C. delmastroi, C. tenuis and C. submontanus without an epistome) (Beier 1964; Schawaller and Dashdamirov 1988; Gardini 2009; Christophoryova et al. 2011; Curcic et al. 2011, 2012 a); anterior margin mostly serrated (ranging between seta ame and al) (C. tadzhikistanicus with anterior margin entirely serrated, C. azerbaidzhanus, C. satapliaensis, C. pagus, C. aquasanctae, C. carinthiacus and C. ponticus with only epistome region serrated) (Beier 1964; Schawaller and Dashdamirov 1988; Christophoryova et al. 2011; Curcic et al. 2011, 2012 a); carapace with 20 setae, chaetotaxy 4: 2: 4: 4: 2: 4 (C. ponticus [4: 4: 2: 4: 2: 2], C. carinthiacus, C. delmastroi, C. tenuis and C. submontanus [4: 6: 4: 2: 2] with 18 setae); il located medially (in C. tadzhikistanicus, C. shelkovnikovi and C. azerbaidzhanus il is situated on the lateral margin), pl situated posteriorly to pm (in C. satapliaensis pl is located anteriorly to pm); palpal femur 5.2 times longer than wide (4.5 times in C. tadzhikistanicus, 3.0 times in C. shelkovnikovi, 5.4 times in C. azerbaidzhanus and 6.1 times in C. satapliaensis); chela 5.8 times longer than wide (5.4 times in C. tadzhikistanicus, 5.1 times in C. satapliaensis, 4.0 times in C. shelkovnikovi and 5.1 times in C. ponticus, 4.9 times in C. aquasanctae, 4.4 times in C. delmastroi, 5.3 times in C. tenuis, 4.5 times in C. submontanus and 4.8 times in C. pagus) (Redikorzev 1930; Beier 1964; Dashdamirov and Schawaller 1992; Gardini 2009; Curcic et al. 2011, 2012 a); fixed chelal finger with 75 - 77 contiguous, acute and reclined backwards teeth (25 acute and straight teeth in C. azerbaidzhanus, 28 in C. satapliaensis, 33 - 38 acute, reclined backwards and close-set teeth in C. carinthiacus, 23 - 25 in C. aquasanctae, 30 - 33 in C. pagus, 32 - 36 in C. submontanus, 38 in C. tenuis, and 27 - 29 in C. delmastroi; 12 - 13 acute and sparse teeth in C. ponticus and 50 round and small teeth in C. shelkovnikovi); movable finger with 59 - 60 contiguous acute and retrorse teeth (18 acute and small teeth in C. azerbaidzhanus, 18 acute and straight teeth in C. satapliaensis, 17 - 20 acute, reclined backwards and close-set teeth in C. carinthiacus, 19 - 21 in C. aquasanctae, 25 - 39 in C. pagus, 23 - 30 in C. submontanus, 34 in C. tenuis, 26 - 29 in C. delmastroi; 24 flat and small teeth in C. ponticus and 50 round and small teeth in C. shelkovnikovi); absence of a protuberance near ib and isb (found in C. tadzhikistanicus C. tenuis and C. delmastroi); chelal hand long and slender (C. ponticus presents a ventrally round portion of the hand, C. shelkovnikovi exhibits short and robust chela) (Redikorzev 1930; Beier 1964; Schawaller and Dashdamirov 1988; Dashdamirov and Schawaller 1992; Gardini 2009; Christophoryova et al. 2011; Curcic et al. 2011, 2012 a).	en	Prado 1, Guilherme C., Viana 1, Ana Clara M., Milko 2, Dmitry A., Ferreira 1, Rodrigo L. (2021): Chthonius kirghisicus (Pseudoscorpiones, Chthoniidae), a new cave-dwelling species from Kyrgyzstan. Subterranean Biology 40: 27-41, DOI: http://dx.doi.org/10.3897/subtbiol.40.67303, URL: http://dx.doi.org/10.3897/subtbiol.40.67303
A7F0FB85712B57D683FC55EEA8A51C38.taxon	description	Description. (Fig. 6 E). Body pale yellowish, mostly translucent; chelicerae slightly reddish orange, abdomen dark beige. Some parts of the body scaly. Vestitural setae sharp and anteriorly projected. Carapace (Fig. 1 A-C). 1.0 - 1.1 times longer than broad, strongly constricted posteriorly showing a difference between ocular breadth and posterior breadth of 0.12 mm (0.06 from each side of the carapace); anterior margin mostly serrated (ranging between seta ame and al); one pair of eyes; epistome strongly dentate and saw-like; presence of three furrows, one from the posterior to anterior margin, splitting in two in the area between me and oc (Fig. 1 A); posterior margin of carapace scaly; chaetotaxy 4: 2: 4: 4: 2: 4 (20). Chelicera (Figs 1 D, 5 A-D). Hand with 6 setae; movable finger with 1 subdistal seta; galea present as a tubercle; fixed finger with 8 - 10 acute teeth including two large ones (the two distalmost); movable finger with 7 - 8 acute teeth including one large distal tooth; rallum with 10 blades, middle blades long, presenting ramifications at the apex; serrula exterior with 15 - 17 blades, serrula interior with 12 blades. Tergites. Not divided; surface smooth; chaetotaxy uniseriate, I-XI 4: 4: 4: 4 - 6: 6: 6: 6: 6: 6: 4 - 6: 4. Anal operculum with two dorsal setae. Pleural membranes smooth. Coxae (Fig. 3 A, B). Manducatory process with 2 apical enlarged setae, delicate lamellae outlined by 17 - 19 small spines; rest of palp coxae with 3 setae arranged in a triangle; presence of two conspicuous pores on anterior region of palpal coxae. Pedal (Fig. 3 A): coxal spines bipinnate, irregularly arranged in a rounded patch (Fig. 3 A, B), present in coxae II (8 - 14) and coxae III (3 - 5), chaetotaxy: I 6, II 4, III 5, IV 7; intercoxal tubercle present between coxae III and IV, bearing two setae. Genital operculum of female: setae distributed in four horizontal rows: 2: 4: 4: 2, genital opening angularly bifurcated. Sternites: chaetotaxy IV-XI: 10 - 12: 7 - 8: 6 - 8: 6: 4: 2 - 4: 2: 0. Anal operculum without ventral setae. Palp (Figs 2 A-D, 4 A-D). Trochanter 1.5 - 1.7 times longer than broad, patella 1.7 - 2.0 times longer than broad, femur 5.0 - 5.2 times longer than broad. Femoral chaetotaxy 3: 4: 2: 5: 1. Chelal hand fusiform, with 4 posterior setae (ph 3 present), apodeme reduced, almost absent, trichobothrial pattern: ib and isb located at the base of the hand, adjacent to each other, eb proximad to esb, ist distad to esb, eb - esb - ist located at the base of fixed finger, it proximad to est, et distad from est. Fixed finger almost straight, movable finger slightly bent (Fig. 2 C, D). Left chelal fixed finger with 75 - 77 acute, not widely spaced teeth. In holotype left fixed chelal finger, teeth divided in three groups by gaps (probably frayed teeth), counting from basal to distal: 31 teeth, a gap of ca. 10 teeth; followed by 5 teeth, a gap of ca. 6 teeth and 23 more teeth (Fig. 2 B). Movable finger with 59 - 60 acute teeth, growing from basal to distal; right chelal fixed finger with 75 - 77 teeth, not widely spaced, without gaps. Leg IV (Figs 3 C, 4 E). Arolia shorter than claws; a small protuberance near end of tarsus. Measurements (length / breadth or depth inmm; ratios in parenthesis calculated by using three significant digits): Female holotype and female paratype range. Body length 1.46 [1.44]. Carapace 0.50 - 0.51 / 0.47 - 0.48 (1.0 - 1.1). Palps: trochanter 0.21 - 0.22 / 0.13 (1.5 - 1.7), femur 0.65 - 0.66 / 0.13 (5.0 - 5.2), patella 0.26 - 0.28 / 0.14 - 0.15 (1.7 - 2.0), chela 0.94 - 0.96 / 0.1 (5.7 - 5.8), movable finger length 0.60 - 0.61. Leg I: trochanter 0.10 - 0.12 / 0.08 - 0.09 (1.2 - 1.4), femur 0.34 - 0.36 / 0.05 - 0.07 (4.9 - 5.9), patella 0.14 - 0.17 / 0.06 (2.6 - 2.7), femur / patella 2.1 - 2.4, tibia 0.21 - 0.22 / 0.04 (4.8 - 5.8), tarsus 0.35 - 0.38 / 0.04 (10.0 - 10.1). Leg IV: Trochanter: 0.13 - 0.17 / 0.10 - 0.12 (1.1 - 1.8), femur + patella 0.54 - 0.61 / 0.21 - 0.22 (2.5 - 2.9), tibia 0.36 - 0.38 / 0.09 (4.1 - 4.2), basitarsus 0.18 - 0.20 / 0.06 (2.9 - 3.1), telotarsus 0.33 - 0.35 / 0.03 - 0.04 (9.7 - 9.9).	en	Prado 1, Guilherme C., Viana 1, Ana Clara M., Milko 2, Dmitry A., Ferreira 1, Rodrigo L. (2021): Chthonius kirghisicus (Pseudoscorpiones, Chthoniidae), a new cave-dwelling species from Kyrgyzstan. Subterranean Biology 40: 27-41, DOI: http://dx.doi.org/10.3897/subtbiol.40.67303, URL: http://dx.doi.org/10.3897/subtbiol.40.67303
