Lasiochernes cretonatus Henderickx, 1998

Christophoryova, Jana, Krajcovicova, Katarina, Henderickx, Hans & Spaniel, Stanislav, 2016, A multivariate study of differentiating characters between three European species of the genus Lasiochernes Beier, 1932 (Pseudoscorpiones, Chernetidae), ZooKeys 629, pp. 51-81 : 55-56

Taxon classification Animalia Pseudoscorpiones Chernetidae

Lasiochernes cretonatus Henderickx, 1998 Figs 2B, 3; Table 1

Description.

Female (4 specimens analyzed) (Table 1). Chaetotaxy of carapace: 71-74 setae, 31-38 of them situated in front of anterior transverse furrow, 21-26 on medial disk, posterior margin with 13-14 setae. Cheliceral galea with 5-6 short terminal rami, serrula exterior with 19-21 blades. Palps: fixed chelal finger with 44-48 and movable chelal finger with 48-50 marginal teeth; fixed chelal finger with 9-13 antiaxial accessory teeth and movable chelal finger with 8-9 antiaxial accessory teeth; fixed and movable chelal fingers with four paraxial accessory teeth. Palpal parts without long, dense setation (Fig. 3). Legs: tarsus IV with long tactile seta situated one third from the joint with the tibia, meaning 0.15-0.19 mm from the tarsal base. Chaetotaxy of tergites I–X: 14-16 (left hemitergite 6-8 + right hemitergite 7-8): 14-17 (7-8 + 7-9): 13-18 (7-9 + 6-9): 19-24 (9-11 + 9-13): 21-25 (11-13 + 10-12): 18-27 (9-15 + 9-12): 19-23 (10-11 + 9-12): 21-22 (10-12 + 10-11): 19-22 (10-12 + 9-12): 14-18 (7-9 + 7-9); tergite XI with 10 setae (5 + 5) plus a pair of long tactile setae. Chaetotaxy of sternites IV–X: 8-13 (left hemisternite 4-6 + right hemisternite 4-8): 18-22 (9-11 + 9-11): 20-25 (10-12 + 10-13): 19-23 (9-11 + 9-12): 19-26 (10-12 + 9-14): 22-24 (10-12 + 11-13): 18-22 (9-11 + 9-12); sternite XI with 9-10 setae (4-5 + 5) plus a pair of long tactile setae. Female spermatheca unpaired, T-shaped; anterior genital operculum with 29-31 setae and two lyrifissures, posterior operculum with 10-12 setae and 4-6 lyrifissures (Fig. 6A).

Male (1 specimen analyzed) (Fig. 2B, Table 1). Chaetotaxy of carapace: 82 setae, 42 of them on anterior disk, 27 on medial disk, posterior margin with 13 setae. Cheliceral galea with six short terminal rami, serrula exterior with 20 blades. Palps (Fig. 4A): fixed chelal finger with 44 and movable chelal finger with 49 marginal teeth; fixed chelal finger with nine and movable chelal finger with eight antiaxial accessory teeth; fixed and movable chelal fingers with four paraxial accessory teeth. Palpal hand and patella with long and dense setation on their medial sides (Fig. 2B). Legs: tarsus IV with long tactile seta situated one third from the joint with the tibia, that means 0.16 mm from the tarsal base. Chaetotaxy of tergites I–XI: 16 (left hemitergite 9 + right hemitergite 7): 17 (8 + 9): 18 (9 + 9): 24 (12 + 12): 24 (13 + 11): 21 (11 + 10): 21 (10 + 11): 21 (10 + 11): 22 (12 + 10): 21 (10 + 11), tergite XI with 10 setae (5 + 5) and with a pair of long tactile setae. Chaetotaxy of sternites IV–XI: 14 (left hemisternite 8 + right hemisternite 6): 25 (12 + 13): 26 (12 + 14): 25 (13 + 12): 26 (13 + 13): 23 (11 + 12): 22 (11 + 11), sternite XI with 11 (5 + 6) and with a pair of long tactile setae. Anterior genital operculum with 50 setae and two lyrifissures, posterior operculum with 20 setae and six lyrifissures (Fig. 6B).