Table 3.

Flower visitors of Ericainfundibuliformis at both study sites, including tongue lengths and pollen loads. Numbers represent mean ± SD (sample size), apart from visitors observed, which are counts.

	Number observed	Tongue length (mm)	Pollen load	Percent Erica tetrads in pollen
Agtertafelberg
Legitimate feeding
Hawkmoth spp.	12	20.7 ± 0.92 (3)	259.3 ± 33.9 (3)	88.2 ± 10.2 (3)
In population
Moegistorhynchus sp.	1	19.0 (1)	245 (1)	100
Robbing
Xylocopa sp.	121	5.94 ± 1.33 (8)	187.9 ± 392.3 (11)	0.44 ± 1.3 (9)
Other bee sp.	3	3.24 (2)	2768.0 ± 3805.7 (3)	1.6 ± 1.2 (3)
Wasp sp.	12	2.01 ± 0.37 (4)	66.5 ± 111.7 (4)	25.0 ± 43.3 (4)
On plant
Monkey beetles	10	0.9 (1)	0	0
Stettynsberg
Legitimate feeding
Hawkmoth spp.	5	19.6 (2)	851.0 ± 67.2 (3)	99.5 ± 0.44 (3)
Settling moth spp.	15	12.3 ± 3.27 (4)	523.4 ± 425.2 (5)	100 ± 0.0 (5)
In vicinity
Philoliche sp.	5	25.5 ± 0.41 (3)	1020.3 ± 484.3 (3)	0 (3)