Two new species of the genus Trilacuna from Chongqing, China (Araneae, Oonopidae)

Abstract

Two new species of the genus Trilacuna Tong & Li, 2007, T. simianshan Tong & Li, sp. n. and T. songyuae Tong & Li, sp. n., are described from Simianshan Natural Reserve, Chongqing, China.

Two new species of the genus Trilacuna (Araneae: Oonopidae) from Jinyun Mountain of Chongqing, China

“…This new species is similar to Trilacuna simianshan Tong & Li, 2018, but males can be distinguished by the large flag like protrusion and the broad dorsal branch of embolus system (Fig. 2E, F, H), and females by the rectangular shaped structure of endogyne (Fig.…”

“…In China the genus is represented by 13 species, of which only three are known in Chongqing Municipality, China, i.e., T. angularis Tong & Li, 2007, T. simianshan Tong & Li, 2018and T. songyuae Tong & Li, 2018(Tong & Li 2007Tong et al 2018Tong et al , 2019Liu et al 2019;Huang et al 2020). In this paper two new Trilacuna species, T. jinyun Tong, Zhang & Li sp.…”

Seven new species of the genus Trilacuna Tong & Li, 2007 from Yunnan, China (Araneae, Oonopidae)

“…1K). Females of the new species are similar to those of T.songyuae Tong & Li, 2018, but can be distinguished by the absence of the large dark knob marking in ventral surface of genital area (Tong et al 2018: fig. 10H).…”

Taxonomic studies on the genus Trilacuna (Araneae, Oonopidae) from Myanmar

“…Of the 1850 spider species of family Oonopidae Simon, 1890 known worldwide (Li 2020), 10 have been previously recorded from Myanmar: Gamasomorpha inclusa (Thorell, 1887), G. psyllodes Thorell, 1897, G. sculptilis Thorell, 1897, Kachinia mahmolae Tong & Li, 2018, K. putao Tong & Li, 2018, Opopaea kanpetlet Tong & Li, 2020, O. zhigangi Tong & Li, 2020, Promolotra hponkanrazi Tong & Li, 2020 shankhaung Li, 2020, andXestaspis parmata Thorell, 1890. The current article investigates species of the genus Trilacuna Tong & Li, 2007 that were collected in Myanmar and includes descriptions and illustrations of four new species.…”

“…The spider genus Trilacuna was established to accommodate two new species from Southwest China (Tong and Li 2007). Subsequently, additional species have been described: seven from Thailand, Malaysia, and Sumatra (Eichenberger and Kranz-Baltensperger 2011), two from Vietnam (Tong and Li 2013), seven from Bhutan, India, Nepal, and Pakistan (Grismado et al 2014), one from Iran (Malek-Hosseini et al 2015), one from Korea (Seo 2017), and 10 from Southwest China (Tong et al 2018(Tong et al , 2019Liu et al 2019). Currently, the genus Trilacuna comprises 30 species, all of which are known from Asia (WSC 2020).…”