Requirement 1: liquid concentration formula, which is characterized by: (a) according to the total weight of the formula, the weight percentage is 0.5-30% (1);b) 20 to 80% by weight, based on the total weight of the formulation, of an aromatic hydrocarbon solvent or mixture of aromatic hydrocarbon solvents, c) 10 to 50% by weight, based on the total weight of the formulation, of at minus an alkoxylated aliphatic alcohol of the formula (A): Rᵃ-O- (CₘH₂ₘO) ˣ- (CₙH₂ₙO) ʸ- (CₚH₂ₚO) ᶻ-Rᵇ (A) where Rᵃ represents C₈₋₃₆ alkyl,C₈₋₃₆ alkenyl or a mixture thereof; Rᵇ represents H or C₁₋₁₂ alkyl;M. N, P are represented independently,A integers from 2 to 16; X, y, Z are represented independently,a number from 0 to 50; yx + y + z corresponds to a value of 2 to 50, which also comprises d) at least one anionic surfactant, and e) at least one nonionic surfactant S which is selected from the group consisting of C₂₋₃ polyalkoxylates of acid triglycerides C₁₀₋₂₂ hydroxyfats and C₂₋₃ polyalkoxylates of mono- or diglycerides of C₁₀₋₂₂ fatty acids. Claim 2: The formulation according to claim 1,characterized in that the non-ionic surfactant S is selected from the group consisting of triglyceride polyethoxylates of C₁₂₋₂₂-hydroxygrasic acid and mono- or diglyceride polyethoxylates of C₁₂₋₂₂-fatty acid. Claim 7: The formulation according to any of the preceding claims, characterized in that the anionic surfactant is selected from the group consisting of C₁₋₂₂-alkyl arylsulfonates, ethoxylated C₄₋₂₂-alkyl phenols sulfates, C₄₋₂₂ alkyl ethoxylated phosphates -phenols,Polydienediene phosphate and polydienediene sulfonate. Claim 23: water to be used, characterized in that it is formed by dilution in accordance with the expression of any of the above water claims. Requirement 24: a method of protecting plants from invertebrate pests, characterized by contact with the plants, soil or water in which the plants grow,The effective amount of insecticide to be used in accordance with any one of require