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. 2018 Jan 3;13(1):e0189681. doi: 10.1371/journal.pone.0189681

Table 2.

Thiamethoxam Clothianidin Imidacloprid
2014 Ave. = 0.1 ng g-1 (SE = 0.13) Max = 1.41 ng g-1 Ave. = 0.28 ng g-1 (SE = 0.14) Max = 1.02 ng g-1 Ave. = 0.05 ng g-1 (SE = 0.09) Max = 0.64 ng g-1
2015 Ave. = 0.04 ng g-1 (SE = 0.02) Max = 1.41 ng g-1 Ave. = 0.11 ng g-1 (SE = 0.03) Max = 1.69 ng g-1 Ave. = 0.03 ng g-1 (SE = 0.02) Max = 1.61 ng g-1
May-15 Ave. = 0.24 ng g-1 (SE = 0.14) Max = 1.41 ng g-1 Ave. = 0.45 ng g-1 (SE = 0.17) Max = 1.69 ng g-1 Ave. = 0.03 ng g-1 (SE = 0.03) Max = 0.38 ng g-1
Jun-15 Ave. = 0.00 ng g-1 (SE = 0) Max = 0.00 ng g-1 Ave. = 0.27 ng g-1 (SE = 0.2) Max = 1.37 ng g-1 Ave. = 0.13 ng g-1 (SE = 0.21) Max = 1.61 ng g-1
Jul-15 Ave. = 0.05 ng g-1 (SE = 0.09) Max = 0.38 ng g-1 Ave. = 0.16 ng g-1 (SE = 0.14) Max = 0.72 ng g-1 Ave. = 0.06 ng g-1 (SE = 0.1) Max = 0.53 ng g-1
Aug-15 Ave. = 0.02 ng g-1 (SE = 0.02) Max = 0.69 ng g-1 Ave. = 0.04 ng g-1 (SE = 0.02) Max = 0.58 ng g-1 Ave. = 0.01 ng g-1 (SE = 0.01) Max = 0.38 ng g-1
Sep-15 Ave. = 0.00 ng g-1 (SE = 0) Max = 0.00 ng g-1 Ave. = 0.00 ng g-1 (SE = 0.00) Max = 0 ng g-1 Ave. = 0.02 ng g-1 (SE = 0.06) Max = 0.38 ng g-1

Summary of neonicotinoids residues found in honey. Mean and maximum recorded concentrations for individual compounds (thiamethoxam, clothianidin and imidacloprid) within honey from 2014–2015 are provided. Due to the zero inflate nature of the data median residue values for individual compounds were always zero.