Table 2. Parameter values for different groups of agents in both models.

Parameters given to all agents are described under the ’Ants’ sub-population.

Sub-population	Parameter	Model	Value
Ants
	Crop state capacity	All	1
	Movement speed	2D	0.2 ant-lengths second-1
Nest-ants
	Initial crop state	All	0
	Position
		1D	45 ants, one on every cell
		2D	89 ants randomly placed
	Radius of interaction	2D	0.2 ant-lengths
Forager
	Initial crop state	All	1
	Threshold value	All	0.45
	Initial position	All	Entrance of nest
	Foraging time	All	0
	Interaction proportion	All	${\displaystyle p\sim Exp(\frac{1}{0.15})}$
	Biases in state A	1D	{0.32,0.22,0.46}
	Biases in state B	1D	{0.53,0.31,0.16}
	Possible angles in state A	2D	Appendix 1—figure 1, above
	Possible angles in state B	2D	Appendix 1—figure 1, below
	Boarder reflection noise	2D	[–0.3 radians, 0.3 radians]