. 2016 Jan 13;6:19298. doi: 10.1038/srep19298

Table 2. A comparison of the MG density in the LMC and RMC between the control group and the groups fed imidacloprid.

Density^¹,²,³
Treatment (conc.⁴)	LMC
Treatment (conc.⁴)	Lip (l)⁴	Collar	Lip (r)⁴
Normal	1.67 ± 0.43	1.46 ± 0.26	1.35 ± 0.29
Control	1.91 ± 0.42	1.47 ± 0.38	1.40 ± 0.39
1 ppb	1.84 ± 0.44	1.23 ± 0.53	1.14 ± 0.40
10 ppb	1.66 ± 0.49	1.35 ± 0.50	1.16 ± 0.42
100 ppb	1.64 ± 0.55	1.04 ± 0.35^*	1.34 ± 0.46
500 ppb	1.40 ± 0.37^*	0.75 ± 0.42^**	0.95 ± 0.41^*
Treatment (conc.⁴)	RMC
Treatment (conc.⁴)	Lip (r)^*	Collar	Lip (l)^*
Normal	1.65 ± 0.55	1.41 ± 0.30	1.26 ± 0.39
Control	1.93 ± 0.37	1.43 ± 0.46	1.61 ± 0.31
1 ppb	1.90 ± 0.44	1.01 ± 0.46^*	1.06 ± 0.45^*
10 ppb	1.76 ± 0.35	1.13 ± 0.24	1.25 ± 0.43
100 ppb	1.43 ± 0.56^*	0.86 ± 0.37^**	1.32 ± 0.44
500 ppb	1.29 ± 0.47^*	0.86 ± 0.56^**	1.02 ± 0.47^**

¹Data are expressed as the mean ± SD. Bees were collected on the 20^th day after eclosion. The regions in the LMC and RMC that are bilaterally symmetrical are shown in the same column.

²MG (micro-glomerulus)/1000 μm³.

³*p < 0.05, **p < 0.01, ***p < 0.001.

⁴conc., concentration; l, left; r, right.