Gongylidioides angustus Tu & Li, 2006

Ballarin, Francesco, Yamasaki, Takeshi & Su, Yong-Chao, 2021, A survey on poorly known rainforest litter-dwelling spiders of Orchid Island (Lanyu, Taiwan) with the description of a new species (Araneae: Linyphiidae Tetrablemmidae, and Theridiosomatidae), Zootaxa 4927 (2), pp. 197-208 : 207

Gongylidioides angustus Tu & Li, 2006

Fig. 6A ̅G.

G. angustus Tu & Li, 2006: 55 , f. 2A̅J (³♀).

Material examined. TAIWAN: 4³³, 3♀♀, Taitung County, Orchid Island (Lanyu), Dongqing neighborhood, Elev. 50m a.s.l., (22°01’42.5”N, 121°34’36.4”E), 14. JUNE .2019, rainforest litter, ( NMNS); 1³, 1♀, same locality, Elev. 40m a.s.l., (22°01’47.6”N, 121°34’30.3”E), 15. JUNE .2019, ( NMNS); 2³³, 5♀♀, Hongtou neighborhood, along the trail to Datianchi lake († R ¨), Elev. 106m a.s.l., (22°00’46.2”N, 121°34’13.9”E), 13. JUNE .2019, rainforest litter, ( NMNS); 2³³, 4♀♀, same locality and date, Elev. 270m a.s.l., (22°00’59.1”N, 121°34’20.5”E), rainforest litter, ( NSMT); 4³³ , 10♀♀, Hongtou forest, walking trail under a bridge, Elev. 68m a.s.l., (22°00’34.8”N, 121°34’26.1”E), 17. JUNE .2019, rainforest litter ( FBPC); 1³, 8♀♀, Langdao neighborhood, near the Lanyu lighthouse, Elev. 200m a.s.l., (22°04’53.2”N, 121°30’17.7”E), 17. JUNE .2019, rainforest litter, ( FBPC); 1³, 3♀♀, near the Xiaotianchi Lake (ṮR¨), Elev. 160m a.s.l., (22°04’39.7”N 121°30’35.8”E), 17. JUNE .2019, rainforest litter ( MSNV). All leg. Ballarin F.

Description and diagnosis. Male and female habitus as in Figs. 6F and G respectively. Male palp as in Fig. 6 A–C, female epigyne and vulva as in Fig. 6D, E . For diagnosis and full description of male and female see Tu & Li 2006.

Distribution. Endemic to Orchid Island. Widespread throughout the island ( Fig. 7 ).

Habitat. Humid rainforest leaf litter.

Remarks. This species was first described by Tu & Li (2006). Herein we provide further detailed photos of genitalia and habitus of both sexes.

Figures

FIGURE 6. Gongylidioides angustus Tu & Li, 2006: A. male palp prolateral view; B. ditto retrolateral view; C. ditto ventral view; D. epigyne ventral view; E. vulva dorsal view after maceration; F. male habitus; G. female habitus. Abbreviations: cd = copulatory duct; co = copulatory opening; dsa = distal supertegular apophysis; dta = dorsal tibial apophysis; e = embolus; fd = fertilization duct; mm = median membrane; lc = lamella charateristica; pc = paracymbium; pt = protegulum; sp = spermatheca.

FIGURE 7. Map of Orchid Is., red dots show the localities where the species discussed in the text were collected: Brignoliella tao sp. nov. (1, 3̅7); Gongylidioides angustus Tu & Li, 2006 (1̅7); Theridiosoma triumphale Zhao & Li, 2012 (3, 4, 6); Zoma taiwanica (Zhang, Zhu & Tso, 2006) comb. nov. (1̅3, 5̅7).