Anoplolepis gracilipes was abundant at invaded sites, but rare to
absent in intact control sites (Table 1a). In fact, activity of
A. gracilipes at sugar baits was more than 100-fold greater in
invaded sites, where they foraged continuously on the forest
floor and canopy. Red land crabs were abundant in intact
forest, but were rare to absent at sites invaded by A. gracilipes
(Table 1b); the average density of red crab burrows
exceeded 1 m
)2 at intact sites, but was only 0.03 m
)2 in
invaded sites, a 42-fold difference. This dramatic difference
was reflected in crab mortality; dead crabs were abundant at
invaded sites, but absent at intact control sites.