Table 3. Effect of imidacloprid on the sizes of incipient ant colonies.

Imidacloprid (μg/ml)	When workers first emerged			Six weeks after the first emergence of workers
	Brood	Workers	Total	Brood	Workers	Total
0.00	54.07 ± 9.71	2.14 ± 0.33	56.21 ± 9.94	64.00 ± 17.43	286.64 ± 78.46	350.64 ± 94.45
0.01	56.73 ± 5.65	1.64 ± 0.15	58.36 ± 5.72	60.75 ± 11.80	204.62 ± 46.94	265.38 ± 56.66

There was no significant difference between control and 0.01 μg/ml imidacloprid treatment for each category (t-test, P > 0.05).