Pseudoplecta bijuga (Stoliczka, 1873)

Figs 17 B, 22 A

Material examined.

Malaysia • Penang Hill, The Habitat, Research trail, Plot. 01; 5.4248 ° N, 100.2669 ° E; 720 m a. s. l.; 5 Sept. 2022; T. S. Liew, J. Dulipat, S. M. Goh leg.; BOR/MOL 15114 • same data as for preceding; BOR/MOL 15114 • same data as for preceding; BOR/MOL 15159 • Penang Hill, The Habitat, Research trail, Plot. 02; 5.4237 ° N, 100.2649 ° E; 720 m a. s. l.; 5 Sept. 2022; T. S. Liew, J. Dulipat, S. M. Goh leg.; BOR/MOL 15113 • same data as for preceding; BOR/MOL 15197 • Penang Hill, The Habitat, Research trail, Plot. 03; 5.4226 ° N, 100.2645 ° E; 750 m a. s. l.; 5 Sept. 2022; T. S. Liew, J. Dulipat, S. M. Goh leg.; BOR/MOL 15106 • Penang Hill, The Habitat, Habitat nature trail, Plot. 04; 5.4231 ° N, 100.2668 ° E; 770 m a. s. l.; 5 Sept. 2022; T. S. Liew, J. Dulipat, S. M. Goh leg.; BOR/MOL 15116 • same data as for preceding; BOR/MOL 15128 • Penang Hill, The Habitat, Habitat nature trail, Plot. 05; 5.4228 ° N, 100.2653 ° E; 770 m a. s. l.; 5 Sept. 2022; T. S. Liew, J. Dulipat, S. M. Goh leg.; BOR/MOL 15125 • same data as for preceding; BOR/MOL 15133 • Penang Hill, The Habitat, Research trail, Plot. 06; 5.4247 ° N, 100.2674 ° E; 750 m a. s. l.; 5 Sept. 2022; T. S. Liew, J. Dulipat, S. M. Goh, M. Y. Lee, M. Y. Wua leg.; BOR/MOL 15082 • same data as for preceding; BOR/MOL 15083 • same data as for preceding; BOR/MOL 15138 • Penang Hill, The Habitat, Habitat nature trail, Plot. 07; 5.4210 ° N, 100.2642 ° E; 760 m a. s. l.; 6 Sept. 2022; T. S. Liew, J. Dulipat, S. M. Goh, M. Y. Lee leg.; BOR/MOL 15086 • same data as for preceding; BOR/MOL 15089 • same data as for preceding; BOR/MOL 15146 • same data as for preceding; BOR/MOL 15431 • Penang Hill, The Habitat, Habitat nature trail, Plot. 08; 5.4223 ° N, 100.2648 ° E; 760 m a. s. l.; 6 Sept. 2022; J. Dulipat, S. M. Goh, M. Y. Lee leg.; BOR/MOL 15095 • same data as for preceding; BOR/MOL 15155 • Penang Hill, Moon Gate Station 5 trail, Plot. 10; 5.4305 ° N, 100.2913 ° E; 250 m a. s. l.; 7 Sept. 2022; T. S. Liew, J. Dulipat, S. M. Goh leg.; BOR/MOL 15123 • Penang Hill, Moon Gate Station 5 trail, Plot. 11; 5.4341 ° N, 100.2921 ° E; 110 m a. s. l.; 7 Sept. 2022; T. S. Liew, J. Dulipat, S. M. Goh leg.; BOR/MOL 15093 • Penang Hill, Botanical garden, Plot. 12; 5.4396 ° N, 100.2860 ° E; 85 m a. s. l.; 4 Sept. 2022; T. S. Liew, J. Dulipat, S. M. Goh leg.; BOR/MOL 15090 • Penang Hill, Teluk Bahang- Balik Pulau, Tropical fruit farm, Plot. 15; 5.4160 ° N, 100.2200 ° E; 250 m a. s. l.; 21 Oct. 2022; T. S. Liew, J. Dulipat, M. Y. Lee leg.; BOR/MOL 15276 • Penang Hill, Teluk Bahang, Taman Rimba Teluk Bahang, Trail, Simpang 6, Plot. 16; 5.4429 ° N, 100.2212 ° E; 120 m a. s. l.; 21 Oct. 2022; T. S. Liew, J. Dulipat, M. Y. Lee leg.; BOR/MOL 15268 • same data as for preceding; BOR/MOL 15274 • Penang Hill, Teluk Bahang, Taman Rimba Teluk Bahang, Trail Stesen 3, Plot. 18; 5.4420 ° N, 100.2218 ° E; 150 m a. s. l.; 22 Oct. 2022; T. S. Liew, J. Dulipat leg.; BOR/MOL 15236 • same data as for preceding; BOR/MOL 15280 • Penang Hill, Teluk Bahang- Balik Pulau, Bukit Kerajaan ForestReserve next to Lam durian farm, Plot. 20; 5.4199 ° N, 100.2265 ° E; 330 m a. s. l.; 23 Oct. 2022; T. S. Liew, J. Dulipat, M. Y. Lee leg.; BOR/MOL 15217 • Penang Hill, Trail to Western hill, Km 3.6, Plot. 23; 5.4203 ° N, 100.2517 ° E; 750 m a. s. l.; 24 Oct. 2022; T. S. Liew, J. Dulipat, M. Y. Lee leg.; BOR/MOL 15218 • same data as for preceding; BOR/MOL 15286 • Penang Hill, Air Itam, Forest near Dam, Plot. 24; 5.3904 ° N, 100.2612 ° E; 380 m a. s. l.; 24 Oct. 2022; T. S. Liew, J. Dulipat leg.; BOR/MOL 15241 • same data as for preceding; BOR/MOL 15288 • Penang Hill, Air Itam, Forest near Dam, Plot. 25; 5.3900 ° N, 100.2575 ° E; 290 m a. s. l.; 25 Oct. 2022; T. S. Liew, J. Dulipat leg.; BOR/MOL 15237 • same data as for preceding; BOR/MOL 15293 • same data as for preceding; BOR/MOL 15432 • Penang Hill, Trail from Viaduct to Claremont, after shelter, Plot. 27; 5.4205 ° N, 100.2724 ° E; 500 m a. s. l.; 26 Oct. 2022; T. S. Liew, J. Dulipat leg.; BOR/MOL 15234 • same data as for preceding; BOR/MOL 15297 • Penang Hill, Trail - Moniot Road East, Plot. 28; 5.4240 ° N, 100.2746 ° E; 530 m a. s. l.; 26 Oct. 2022; T. S. Liew, J. Dulipat leg.; BOR/MOL 15231 • same data as for preceding; BOR/MOL 15300 • Penang Hill, Moniot trail, Plot. 32; 5.4165 ° N, 100.2574 ° E; 695 m a. s. l.; 4 Feb. 2023; T. S. Liew, A. Yusni leg.; BOR/MOL 15733 • Penang Hill, By Path H, Plot. 33; 5.4210 ° N, 100.2701 ° E; 610 m a. s. l.; 4 Feb. 2023; T. S. Liew, A. Yusni leg.; BOR/MOL 15734 • Penang Hill, Path B, Random 1. PathB; 5.4216 ° N, 100.2674 ° E; 730 m a. s. l.; 4 Sept. 2022; T. S. Liew, J. Dulipat leg.; BOR/MOL 15150 • Penang Hill, Bukit Laksamana, Random 5.; 5.4239 ° N, 100.2362 ° E; 710 m a. s. l.; 3 Feb. 2023; T. S. Liew, M. Y. Lee, A. Yusni leg.; BOR/MOL 15770 .

Remark.

One of the most common large land snails at Penang Hill, with a shell width of up to 22 mm. It is also known from other localities in Peninsular Malaysia and Thailand (Maassen 2001; Foon et al. 2017).