Gulella bicolor (T. Hutton, 1834) Figure 21B

Pupa bicolor Pupa bicolor T. Hutton, 1834: 86, 93.

Type locality.

"Mirzapoor, India".

Material examined.

Gunung Kapor: ME 9095.

Distribution in Borneo.

Sabah: Interior, Kudat, Tawau, and West Coast divisions. Sarawak: Kuching, Samarahan, Serian, Sibu, and Miri divisions. Distribution elsewhere. South to East Asia, Malay Archipelago (Vermeulen and Whitten 1998).

Remarks.

Only dry shells were found during the surveys. Introduced species.