Observations of the “Egg White Injury” in Ants - Figure 6

<p><b>A</b> Mean number of biting events observed. Nests were scanned 60 times (every 3 min for 3 hours) for 5 days. <b>B</b> Mean aggression index (see text for definition) of workers fed with a mix of protein (5∶1 MIX, green error bars) or egg protein (5∶1 EGG, Blue error bars) encountering workers coming from the same or a different colony fed the same or a different diet. N = 4 experimental colonies of 200 individuals per treatment.