Chaerilus variegatus Simon, 1877

Tang, Victoria, 2025, Current challenges and preliminary morphological reassessment of the genus Chaerilus Simon, 1877 in China (Scorpiones: Chaerilidae), Euscorpius 406, pp. 1-89 : 3

Chaerilus variegatus Simon, 1877 , Indonesia, 1♂ 1♀ ( Figs.

76–91), purchased live specimens (now preserved in 75%

ethanol) from a local friend (Mr. Ang Wei Ayang in Tang

& Liu, 2024). The Chinese species, Scorpiops jendeki

Kovařík, 1994, has been informally misidentified as this species ( Tang, 2022c: 14).

Chaerilus sp. ( cf. herta sp. n.), China, Tibet Autonomous

Region, Nyingchi City , Mêdog County, June 2024, 2♀

( Figs. 52–67 ), purchased dried specimens from goofish.

com, allegedly from a recent expedition to this county,

collector unknown.

Chaerilus sp. ( aff. chubluk ), Vietnam, Đắk Lắk Province,

Buôn Ma Thuột City, Hòa Khánh Commune, December

2023, 2♀ 1♂ (alive), 2 juv. ♂ (now preserved in 75%

ethanol), purchased specimens from a local friend; not examined in detail.

Abbreviations. Morphology: CAM, carapace anterior margin; CG, carapacial granulation; ChL/W, pedipalp chela length (ChL) to width (ChW) ratio; CPM, centro-posteromedian carina(e); DSC, pedipalp movable finger denticle subrow count(s); EDD, enlarged distal denticle; EPD, enlarged proximal denticle; FL/CaL, pedipalp femur length (FL) to carapace length (CaL) ratio; MIIC, number of carinae on metasoma II; MLMa, mediolateral major ocellus(i); PLMa, posterolateral major ocellus(i); PTC, pectinal tooth count(s); SVII, ventral surface of sternite VII; TL, total length (in mm); VADC, ventral accessory denticle (VAD) count(s) of cheliceral finger (movable/fixed). Others: AC, anonymous collector; ANOVA, analysis of variance; CC, canonical correlation; CDA, canonical discriminant analysis; CV, canonical variables; FAMD, factorial analysis of mixed data; HCA, hierarchical cluster analysis; ISS, incorrect subsequent spelling; KMCA, k-means cluster analysis; KMO, Kaiser-Meyer-Olkin measure; MAE, mean absolute error; MANOVA, multivariate ANOVA; MCA, multiple correspondence analysis; MCS, Monte Carlo simulation; MWU, Mann-Whitney U test; PCA, principal component analysis; PD, principal dimension; PERMANOVA, permutational MANOVA; RMSE, rootmean-square error; SD, standard deviation; SW, Shapiro-Wilk test; UPGMA, unweighted pair group method with arithmetic mean; UV, ultraviolet; WSR, Wilcoxon signed-rank test.

Specimen Depositories. FKCP, personal collection of František Kovařík, Prague, Czech Republic (will in future be merged with the collections of the National Museum of Natural History , Prague, Czech Republic) ; MHBU, Museum of Hebei University , Baoding, China ; MNHN, Muséum National d´Histoire Naturelle , Paris, France ; MWHU, Museum of Wuhan University , Wuhan, China ; NHMUK, Natural History Museum, London , UK ; NZSI, National Collection, Zoological Survey of India , Kolkata, India ; USTC, University of Science and Technology of China , Hefei, China ; VT, personal collection of Victoria Tang, Shanghai, China (will in future be donated to NHMUK) ; ZMNH, Zoologie des Museums der Natur Hamburg, Hamburg, Germany (formerly known as “ Zoologisches Institut und Zoologisches Museum, Universität Hamburg, Germany ”) .

Figures

Figures 76–77. Adult male Chaerilus variegatus, fresh specimen (now preserved in 75% ethanol), habitus in dorsal (76) and ventral (77) views, under white light.

Figures 78–83. Adult male Chaerilus variegatus, carapace (78), pectines (79), sternite VII (80), and right chela in dorsoexternal view (81) under white light, and left (82) and right (83) pedipalp movable fingers under UV light.

Figures 84–85. Adult female Chaerilus variegatus, fresh specimen (now preserved in 75% ethanol), habitus in dorsal (84) and ventral (85) views, under white light.

Figures 86–91. Adult female Chaerilus variegatus, carapace (86), pectines (87), sternite VII (88), and right chela in dorsoexternal view (89) under white light, and left (90) and right (91) pedipalp movable fingers under UV light.

Figures 52–53.Adult female Chaerilus sp. (cf. herta sp. n.) from Mêdog (purchased), dried specimen (now preserved in 75% ethanol), habitus in dorsal (52) and ventral (53) views, under white light; record not included in the map.

Figures 54–59. Adult female Chaerilus sp. (cf. herta sp. n.) from Mêdog (purchased), carapace (54), pectines (55), sternite VII (56), and right chela in dorsoexternal view (57) under white light, and left (58) and right (59) pedipalp movable fingers under UV light.

Figures 60–61. Adult female Chaerilus sp. (cf. herta sp. n.) from Mêdog (purchased), dried specimen (now preserved in 75% ethanol), habitus in dorsal (60) and ventral (61) views, under white light; record not included in the map.

Figures 62–67. Adult female Chaerilus sp. (cf. herta sp. n.) from Mêdog (purchased), carapace (62), pectines (63), sternite VII (64), and right chela in dorsoexternal view (65) under white light, and left (66) and right (67) pedipalp movable fingers under UV light.