Fecha de publicación: -- Fuente: WIPO "tomato" The present invention discloses imidazolone compounds of formula (I), wherein R1, R2, R3a, R3b, R4a, R4b, Y, and Q are as defined in the detailed description. The present invention further relates to methods for preparing the compounds of formula (I), to compositions and combinations comprising these compounds, and to the use of the compounds of formula (I) as pest control agents.