The present invention relates to novel triazole derivatives of formula (I) having insecticidal activity, to processes and intermediates for preparing them, to insecticidal, acaricidal, nematicidal or molluscicidal compositions comprising them and to methods of using them to combat and control insect, acarine, nematode or mollusc pests wherein R1, R2, G1, G2, Q1 and Q2 are as defined in claim 1; or salts or N-oxides thereof.