<p>A granular pesticidal composition which comprises a pyrazolinone compound given by the formula (1):
wherein R 1 represents a chlorine atom etc.; R 2 represents a chlorine atom etc.; R 3 represents a 1-methylethyl group etc.; and R 4 represents a C1-C4 alkoxy group etc.
and a salt of ligninsulfonic acid,
and the amount of the salt of ligninsulfonic acid in the granular pesticidal composition is 10-60% by weight
has good disintegrability in water when it is diluted with water.</p>
