The invention concerns insecticide compositions comprising: (a) between 0.001 and 5%, preferably between 0.05 and 1% of a compound of the type 1-phenyl pyrazole, in particular 1-[2,6-Cl<；SUB>；2<；/SUB>；4-CF<；SUB>；3 <；/SUB>；phenyl]3-CN 4-[SO-CF<；SUB>；3<；/SUB>；]5-NH<；SUB>；2 <；/SUB>；pyrazole； and (b) between 0.05 and 10%, preferably between 0.1 and 5% of one (or several) moisture retaining agent of the organic type； and (c) between 40 and 99%, preferably between 50 and 98% (and more preferably between 70 and 97%) of vegetable flour. The invention also concerns a method for fighting insects using said compositions, in particular against click beetles.
