Table 1.

Field locations and sampling size of the pollinators of selected Annonaceae species.

	Polyalthia suberosa	Desmos chinensis	Dasymaschalon trichophorum	Friesodielsia borneensis	Goniothalamus tapisoides
Field site	Daoyin village, Yinggeling Nature Reserve, Hainan; 18°59′03′′N, 109°19′45′′E	Mui Tsz Lam Road, Ma On Shan, Hong Kong; 22°24′00.24′′N, 114°13′39.96′′E	Daoyin village, Yinggeling Nature Reserve, Hainan; 18°59′03′′N, 109°19′45′′E	Nee Soon, Singapore; 01°23′52.80′′N, 103°48′32.43′′E	Rampayoh, Brunei Darussalam; 04°22′03.3′′N, 114°27′37.9′′E
Sampling period	May 2015 (10 days)	June 2014 (13 days)	May 2015 (20 days)	June 2015 (20 days)	May 2014 (21 days)
Beetle species and sample sizes	Curculionidae sp. (n = 8)	Amystrops sp. (Nitidulidae) (n = 48)	Endaenidius cf. polyalthiae (Curculionidae) (n = 27)	(a) cf. Carpophilus sp. (Nitidulidae) (n = 7);	(a) Endaeus sp. 1 (Curculionidae) (n = 20);
				(b) Curculionidae sp. (n = 3);	(b) Endaeus sp. 2 (Curculionidae) (n = 22);
				(c) Staphylinidae sp. (n = 6)
					(c) Endaeus sp. 3 (Curculionidae) (n = 13);
					(d) cf. Carpophilus sp. (Nitidulidae) (n = 11)