Hahnia saccata Zhang, Li & Zheng, 2011

Rivera-Quiroz, Francisco Andrés, Petcharad, Booppa & Miller, Jeremy A., 2020, First records and a new genus of comb-tailed spiders (Araneae: Hahniidae) from Thailand with comments on the six-eyed species of this family, European Journal of Taxonomy 724, pp. 51-69 : 61-62

Hahnia saccata Zhang, Li & Zheng, 2011

Figs 5 , 6 d–f

Hahnia saccata Zhang, Li & Zheng, 2011: 16 , figs 14a–e, 15a–h, 16a–g.

Material examined

THAILAND • 2 ♀♀; Chiang Mai Province, Doi Suthep National Park ; 18º48.780′ N, 98º55.928′ E; 643 m a.s.l.; 25–28 Jul. 2018; Booppa Petcharad, Jeremy Miller and F. Andrés Rivera-Quiroz leg.; Dipterocarpus forest; hand coll.; RMNH.ARA.18412 (four legs of one specimen used for DNA extraction) .

Description

Female

Carapace pear-shaped, reddish-brown, slightly darker in cephalic region; texture smooth ( Fig. 5c ). AME 0.06 mm, ALE 0.11 mm, PME 0.08 mm, PLE 0.05 mm, AME–AME 0.02 mm, AMEALE 0.01 mm, PME–PME 0.06 mm, PME–PLE 0.04 mm ( Fig. 5d ). Chelicerae with three promarginal and seven retromarginal teeth ( Fig. 5e ). Legs same color as carapace, darker on proximal and distal part of each segment. Abdomen dark grey with light patches forming five to six chevron bands, oval, longer than wide ( Fig. 5c ). Tracheal spiracle near middle of abdomen ( Fig. 5a ).

VULVA. Epigynal plate dark. Copulatory openings close together but not forming an atrium ( Figs 5g , 6f ). Spermatheca sub-speherical with brown coloration ( Fig. 5f ). Copulatory ducts forming secondary spermatheca ( Figs 5f , 6 e–f).

MEASUREMENTS (in mm). Total length 3.20, carapace 1.45 long, 1.04 wide; clypeus 0.10; chelicera 0.70 long, 0.33 wide; leg I: femur 1.22, patella 0.46, tibia 1.13, metatarsus 0.92, tarsus 0.63; leg II: femur 1.12, patella 0.45, tibia 0.90, metatarsus 0.81, tarsus 0.61; leg III: femur 0.98, patella 0.41, tibia 0.75, metatarsus 0.80, tarsus 0.49; leg IV: femur 1.31, patella 0.45, tibia 1.12, metatarsus 1.03, tarsus 0.65; leg formula IV-I-II-III; abdomen 1.73 long, 1.20 wide.

Distribution

Known from the Menglun Nature Reserve, Yunnan, China (type locality), and Doi Suthep National Park, Chiang Mai, Thailand (present work) ( Fig. 8 ).

Figures

Fig. 5. Hahnia saccata Zhang, Li & Zheng, 2011, ♀ (RMNH.ARA.18412). a–c. Habitus.a. Ventral view. b. Lateral view. c. Dorsal view. d. Prosoma, anterior view. e. Chelicerae, posterior view. f–g. Epigynum. f. Dorsal view, cleared. g. Ventral view. Scale bars: a–c = 1.0 mm; d = 0.50 mm; e–g = 0.25 mm.

Fig. 6. Female spinnerets and genitals. a–c. Hahnia ngai sp. nov., holotype (RMNH.ARA.18415). a. Spinnerets, ventral view. b. Epigynum, cleared, dorsal view. c. Ventral view. d–f. Hahnia saccata Zhang, Li & Zheng, 2011 (RMNH.ARA.18412). d. Spinnerets, ventral view. e. Epigynum, cleared, dorsal view. f. Ventral view. Scale bars: a, d–f = 0.25 mm; b–c = 0.1 mm.

Fig. 8. Map of mainland Southeast Asia, showing the collecting sites of Zhang et al. (2011) (Hahnia saccata Zhang, Li & Zheng, 2011 and Hexamatia senaria (Zhang, Li & Zheng, 2011) gen. et comb. nov.), circle; and our new hahniid specimens (Hexamatia seekhaow gen. et sp. nov., Hahnia ngai sp. nov. and Hahnia saccata), square.