Jacaena erawan, Deeleman-Reinhold, 2001

Dankittipakul, Pakawin, Tavano, Maria & Singtripop, Tippawan, 2013, Revision of the spider genus Jacaena Thorell, 1897, with descriptions of four new species from Thailand (Araneae: Corinnidae), Journal of Natural History 47 (23), pp. 1539-1567 : 1552-1553

Jacaena erawan (Deeleman-Reinhold, 2001) comb. nov. ( Figures 1 E, 5 A–C, 11)

Sesieutes erawan Deeleman-Reinhold, 2001: 464 , figs 767–770, description of ♂.

Type material

Holotype: ♂, Thailand, Kanchanaburi Province, Erawan Waterfalls NP, evergreen forest along river, leaf litter, 15–16 March 1986, P.P. and C. Deeleman leg. ( RMNH, examined, Figures 5 A–C, 11) .

Other material examined

The following specimen was studied by Deeleman-Reinhold (2001) and included in the original description, but it was not designated as a type: Thailand: Lamphang Province, Doi Khuntan NP, Doi Khuntan , disturbed evergreen forest, 1200–1300 m, 16 February 1992, P.J. Schwendinger leg., 1♂ ( MHNG) .

New material

Thailand: Kanchanaburi Province, Erawan NP and waterfalls, 100 m, 10 November 2000, P.J. Schwendinger leg., 1♂ ( MHNG, TH–00 / 05 ) .

Diagnosis

Jacaena erawan comb. nov. can be easily distinguished by the truncated dRTA of the male palp when viewed from the ventral side ( Figure 5 A), and by the base of the conductor that is rather broad and gradually tapered towards its apex ( Figures 5 A, 11 A–C).

Distribution

Northern and Western Thailand.

Figures

Figure 1. Males of Jacaena spp., habitus, dorsal (A – H). Jacaena schwendingeri comb. nov., holotype (A); J. lunulata sp. nov., holotype (B); J. punctata sp. nov., holotype (C); J. mihun (D); J. erawan comb. nov. (E); J. thakek comb. nov., holotype (F); J. schwendingeri comb. nov. (G); J. lunulata sp. nov., paratype (H). DS, dorsal scutum.

Figure 5. Jacaena spp. Male palps, ventral (A, D, G). Ditto, prolateral (B, E, H). Ditto, retrolateral (C, F, I). Jacaena erawan comb. nov., holotype (A – C); J. punctata sp. nov., holotype (D – F); J. thakek comb. nov., holotype (G – I).