Table 4. Surfaces responsible for the capture of ants in N. alata with a dry or wetted peristome (5-min observations of M. barbarus ants placed individually on the pitchers).
Fallen from
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Peristome/wax (no. legs on peristome)
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Peristome condition | n | Lid | Peristome only | 5 | 4 | 3 | 2 | 1 | Wax only | Not fallen | No peristome visit |
Dry | 60 | - | - | - | - | 1 | 3 | 38 | 4 | 13 | 1 |
Wet | 60 | 1 | 22 | 3 | 7 | 8 | 1 | 3 | - | 4 | 11 |