Storage stable pesticide compositions comprising neem seed extracts which contain azadirachtin as the active pesticidal ingredient wherein the compositions are characterized by their non-degrading solvent systems. In a first embodiment, the pesticide compositions contain solvent systems characterized as having greater than 50%
by volume aprotic solvents and less than 15% by volume water. In a second embodiment, tile pesticide compositions contain solvent systems characterized as having greater than 50% by volume alcohol and less than 5% by volume water.