Table 1. Summary of the experimental data collected.

Data set	Location	Colonies	Test duration	Group sizes	Sample sizes
1	Dunedin (NZ)	A	3 min	1–2–5–10	60–60–60–60
2	Konstanz (Ger)	B-C-D-E	10 min	1–2–5-7-10-15	68–68–60-56-52-48
3	Konstanz (Ger)	B-C-F-G	10 min	1–2–5-10	40–40-40-40