Claim 1: a method for producing a water concentrated suspension formula of formula compound (1) in the form of fine particles, containing formula compound (1),a. At least one surfactant and water, characterized in that the method comprises: (a) water suspension of thick particles of formula compound (1);wherein the compound of the formula (1) is at least partially present in its crystalline form B which, in a powder X-ray diffractogram at 25 ° C with Cu-Ka radiation, shows at least 3 of the following reflections, indicated as values 2q: 8.0 ± 0.2º;9502107021100211202117021420215.6 + 0.2;165021770221502(b) Smash the thick particles in the suspension of the compound according to formula (1),In the case of at least one surfactant, at least part of it exists in type B. Claim 2: the method according to claim 1, which is characterized by comprising: (1) discontinuing a solid formula compound form (1),a. Different from type B in water, in order to obtain a heavy particle suspension in water, the compound is formula compound (1);(A2) keep the thickness particles of formula (1) compound in suspension for a long enough time to achieve at least partial conversion of formula (1) compound to form B; A3) add at least one surfactant at A1 or A2 stage,Or after A2,(b) Smash the heavy particles in the suspension of formula compound (1);After the addition of at least one surfactant, at least part of it is present in type B. Claim 18: a concentrated water suspension formula (1),as defined in claim 1, characterized in that the compound of the formula (1) is at least partially present in its Y form which, in a powder X-ray diffractogram at 25 ° C with Cu-Ka radiation, shows at least 3 of the following reflexes, indicated as 2q values: 9.7 ± 0.2º,10.3 + 0.2.11.3 + 0.2.14 + 0.2.15.5 + 0.2.16.4 + 0.2.17.6 + 0.2 Requirement 19: according to the wording of requirement 18, it is characterized by: (a) according to the total weight of the formula, the pesticide compound in the formula (1) accoun