Philalanka kusana (Aldrich, 1889)

Marzuki, Mohammad Effendi bin, Liew, Thor-Seng & Mohd-Azlan, Jayasilan, 2021, Land snails and slugs of Bau limestone hills, Sarawak (Malaysia, Borneo), with the descriptions of 13 new species, ZooKeys 1035, pp. 1-113 : 1

Philalanka kusana (Aldrich, 1889) Figure 34C

Trochomorpha kusana Aldrich, 1889: 24, pl. 3, figs 3, 3A, 3B.

Type locality.

"Kusan and Penggiron districts in South-eastern Borneo" [= Kusan and Pangeran in South Kalimantan, Indonesian Borneo].

Material examined.

Gunung Doya: ME 8956, ME 9115. Gunung Kapor: ME 2238, ME 2244, ME 2249, ME 8157, ME 8501, ME 8788, ME 9029. Gunung Stulang: ME 5897. Lobang Angin: ME 8737, ME 9181, ME 9270. Gunung Batu: ME 2252, ME 2254.

Distribution in Borneo.

Sarawak: Kuching, Serian, Kapit, and Miri divisions. Sabah: Interior, Kudat, Sandakan, Tawau, and West Coast divisions. Kalimantan: Exact location was not mentioned in Vermeulen et al. (2015). Distribution elsewhere. West Malaysia to Papua ( Vermeulen et al. 2015).

Remarks.

Living snails were observed foraging among leaf litter and plant debris near the cliff in a lowland limestone forest.

Figures

Figure 34. A Beilania philippinensis (C. Semper, 1874) ME 10290 Gunung Batu B Philalanka jambusanensis, sp. nov., ME 1879 Paratype Gunung Batu C Philalanka kusana (Aldrich, 1889) ME 5897 Gunung Batu D Philalanka moluensis (E. A. Smith, 1893) ME 0443 Gunung Doya [not in natural colour, shell surface coated with platinum for examination under scanning electron microscope].