Pila virescens (Deshayes, 1824)

Ng, Ting Hui, Jeratthitikul, Ekgachai, Sutcharit, Chirasak, Chhuoy, Samol, Pin, Kakada, Pholyotha, Arthit, Siriwut, Warut, Srisonchai, Ruttapon, Hogan, Zeb S. & Ngor, Peng Bun, 2020, Annotated checklist of freshwater molluscs from the largest freshwater lake in Southeast Asia, ZooKeys 958, pp. 107-141 : 107

Pila virescens (Deshayes, 1824) Fig. 5C

Ampullaria virescens Deshayes, 1824: un-numbered plate. Type locality: unknown.

Pila polita : Brandt 1974: 49, pl. 3, fig. 57.

Material examined.

CIFI.MOL.010, ZRC.MOL.015681, ZRC.MOL.015682, ZRC.MOL.015683, ZRC.MOL.015684, ZRC.MOL.015685, ZRC.MOL.015686, ZRC.MOL.015687, ZRC.MOL.015688, ZRC.MOL.015689.

Distribution and habitat.

Tonle Sap River and Lake, paddy fields and irrigation ponds in Kampong Chhnang, Banteay Meanchey and Siem Reap Provinces (locality no. 3, 13, 14, 18, 35, 38 and 42).

Remarks.

Pila virescens is the largest among the native ampullariids, and commonly harvested for food (Fig. 4D ), and is often sold in markets and roadside stalls. An annual harvest of more than 1500 tonnes of the species was recorded from five commercial landing points in Kampong Chhnang Province ( Ngor et al. 2018d).

Figures

Figure 4. Freshwater mollusc fisheries at the Tonle Sap Lake, Cambodia. Small-scale harvesting of freshwater molluscs A Corbicula spp. and B Mekongia rattei, at open areas of the Lake. Freshwater molluscs C Corbicula spp. and D Pila spp., being sorted and packed at main landing sites around the Lake. Photographs by A Pholyotha (A, B), TH Ng (C), PB Ngor (D).

Figure 5. Freshwater gastropods of the Tonle Sap basin, Cambodia A Pila gracilis B Pila pesmei C Pila virescens D Pomacea maculata E Filopaludina martensi cambodjensis F Idiopoma umbilicata G Mekongia rattei H Trochotaia trochoides I Bithynia siamensis goniomphalus J Wattebledia siamensis K Anentome cambojiensis L Anentome helena M Sulcospira housei N Melanoides tuberculata O Indoplanorbis exustus and P Radix rubiginosa. Scale bars: 10 mm, unless stated otherwise. Photographs by TH Ng.