Subject area	Environmental science
More specific subject area	Terrestrial ecology, ecotoxicology, environmental monitoring
Type of data	Table, figure
How data were acquired	LC-MS/MS measurements of daily sampled guttation droplets
Data format	Filtered data (means of duplicate measurements; concentrations of metabolites were added to the parent compound concentration, calculated by molecular masses)
Experimental factors	2 maize cultivars, three neonicotinoids, different pesticide formulations and application rates
Experimental features	Field test, in two years with different weather conditions, randomized block design, immediate residue analysis
Data source location	Experimental field of the Julius Kühn-Institut in Berlin, Germany
Data accessibility	The field data set is publicly available at the OpenAgrar repository underhttps://doi.org/10.5073/20180907-142020.
Research article related to guttation	E. Lippmann: Über das Vorkommen der verschiedenen Arten der Guttation und einige physiologische und ökologische Beziehungen. Bot. Arch. 1 (1925) 362–463.
	V. Girolami, L. Mazzon, A. Squartini, N. Mori, M. Marzaro, A. Di Bernardo, M. Greatti, C. Giorio, A. Tapparo: Translocation of neonicotinoid insecticides from coated seeds to seedling guttation drops: a novel way of intoxication for bees. J. Econ. Entomol. 102 (2009) pp 1808–1815.
	A. Schmolke, B. Kearns, B. O`Neill: Plant guttation water as a potential route for pesticide exposure in honey bees: a review of recent literature. Apidologie, (2018) online first, access 26.09.2018.