crazy ants (Figure 2.4). There was no effect of sugar level on the on the number of crazy
ants (Fii2o = 3.16, p = 0.091) or fire ants (F1,2o = 3.28, p = 0.085) engaged in fights.
Protein type and the interaction of the two resources were not significant factors in either
the number of crazy ants fighting (Fι,2o = 0.10, p = 0.757 for protein; Fi>2о = 1.27, p =
0.2730 for the interaction) or the number of fire ants fighting (Fij2o = 0.22 and p = 0.644
for protein, Fij2o = 0.95 and p = 0.341 for the interaction). After 2 hours, there was no
effect of sugar level on crazy ant mortality (F1,20 = 3.19, p = 0.090). Neither protein type
(Fι,го = 0.09, p = 0.769) nor the interaction of sugar and protein (Fι,2o = 0.09, p = 0.769)
significantly affected crazy ant mortality, and none of the response variables affected fire
ant mortality (Fι,2o = 0.21, p = 0.651 for sugar level; Fι,20 = 2.84, p = 0.108 for protein
type; Fι,20 = 0.59, p = 0.453 for the interaction).
Overall, there was no difference between species in average number of workers
fighting (Z23 9.00, p = 0.289) or mortality (t23 = -1.14, p = 0.268). There was no effect
of sugar level (F1,20 = 2.49, p = 0.130), protein type (F1,20 - 0.90, p = 0.354), or the
interaction of diet components (F1,20 = 0.54, p = 0.470) on the difference between crazy
ants and fire ants in mortality. There was also no effect of protein or sugar level (both Zi
= -0.73, p = 0.444) on the difference in average number of fighting ants of each species.
Discussion
The results of the trials between crazy ants and fire ants of different sizes showed
a trend for more crazy ants than fire ants to be involved in fights (Figure 2.2) and higher
crazy ant than fire ant mortality after one hour (Figure 2.3). Both ant species experienced
higher mortality after exposure to the other species than either species experienced in
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