This also relates to processes and Intermediates for preparing such Compounds, compositions, acaricides, insecticides, nematicides and molluscicides comprising these compounds and to methods for using these compounds to control insects, mites, nematodes and Molus Cos.Claim 1: a compound of formula (1) where is C - r5b: A1, A2, A3 and A4 are, independently of one another, C - C - H, r5a or G1 is Oxygen or nitrogen； Sulfur； y1 y2 y3 is - - - C = N - O -, - C = n - CH2 -, - C = CH - or - O - N - CH2 - CH2 -； n is 0, 1 or 2； r1 is Hydrogen, alkyl alkyl C1 C1 - 8 - 8 replaced co No one to five R6, alkoxy C1 - 8(alkyl C1 - 8 (C1) or alkoxy carbonyl carbonyl - 8)； R2 is alkyl or alkyl C1 C1 - 8 - 8 replaced with one to five alquenilo R6, C2 or C2 - 8 - 8 alquenilo replaced with one to five alquinilo R6, C2 or C2 - 8 - 8 alquinilo replaced with one to five R6 cycloalkyl C3, C3 - 10 - 10 or cycloalkyl substituted With one to five R7,(cicloalquil C3 - 10 (- 4) - alquileno (C1) or cicloalquil C3 - (10) - alquileno c1-4) replaced with one to five R7 (alquileno C1 -, aryl or aryl (4) alquileno c1-4) where the rest is aryl substituted with one to five R8 heterociclil (alquileno C1 -, - or - (4) heterociclil alquileno c1-4) where the rest heter Ociclilo is replaced with one to five R8, aryl or aryl substituted with one to five R8,Heterociclilo or heterociclilo replaced with one to five R8 (C1 - (8) - (Aminocarbonyl alquileno c1-4 (C1), haloalquil - 8 - (Aminocarbonyl) alquileno c1-4 (C3), cicloalquil - 8 - (Aminocarbonyl) alquileno c1-4 (C1), alkyl - or - 6) - n = CH - (or haloalquil C1 - 6) - or - (n = CH -, alkyl - or - C1 - 6) n = CH - (alquileno c1-4) or (haloalquil C1 - 6) - or - n = CH - (alquileno c1-4)Cyano or alquilsulfonilo C1 - 8； R3 is haloalquilo C1 - 8； R4 is aryl or substituted with one to five aryl or heteroaryl heteroaryl substituted R9, or with one to five r5a R9； each is independently Halogen alkyl, cyano, Nitro, C1 - 8 - 8 alquenilo haloalquilo C1, C2 8 haloalq
