A compound selected from Formula 1, N-oxides and salts thereof: wherein Q 1 is a phenyl ring optionally substituted with up to 5 substituents independently selected from R 7; Q 2 is a phenyl ring optionally substituted with up to 5 substituents independently selected from R 10; Y 1 and Y 2 are each O; R 2, R 3, R 4, R 5 and R 6 are each H; R 1 is H, C 1 -C 6 alkyl, C 1 -C 6 haloalkyl or C 4 -C 8 cycloalkylalkyl; and each R 7 and R 10 is independently halogen, cyano, nitro, C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, C 2 -C 4 alkenyl, C 2 -C 4 haloalkenyl, C 2 -C 4 alkynyl, C 2 -C 4 haloalkynyl, C 1 -C 4 nitroalkyl, C 2 -C 4 nitroalkenyl, C 2 -C 4 alkoxyalkyl, C 2 -C 4 haloalkoxyalkyl, C 3 -C 4 cycloalkyl, C 3 -C 4 halocycloalkyl, cyclopropylmethyl, methylcyclopropyl, C 1 -C 4 alkoxy, C 1 -C 4 haloalkoxy, C 2 -C 4 alkenyloxy, C 2 -C 4 haloalkenyloxy, C 3 -C 4 alkynyloxy, C 3 -C 4 haloalkynyloxy, C 3 -C 4 cycloalkoxy, C 1 -C 4 alkylthio, C 1 -C 4 haloalkylthio, C 1 -C 4 alkylsulfinyl, C 1 -C 4 haloalkylsulfinyl, C 1 -C 4 alkylsulfonyl, C 1 -C 4 haloalkylsulfonyl, hydroxy, formyl, C 2 -C 4 alkylcarbonyl, C 2 -C 4 alkylcarbonyloxy, C 1 -C 4 alkylsulfonyloxy, C 1 -C 4 haloalkylsulfonyloxy, formylamino, C 2 -C 4 alkylcarbonylamino, -SF 5, -SCN, C 3 -C 4 trialkylsilyl, trimethylsilylmethyl or trimethylsilylmethoxy; provided that (c) when Q 1 is an unsubstituted phenyl ring, and Q 2 comprises a phenyl ring directly bonded to the remainder of Formula 1, then said Q 2 ring is substituted with R 10 other than F at a 2-position, cyano or -CF 3 at the 4-position; and (f) when Q 1 comprises a phenyl ring directly bonded to the remainder of Formula 1 and said ring is substituted with R 7 at both ortho positions (relative to the bond to the remainder of Formula 1), then said ring is also independently substituted with R 7 on at least one additional position. Q 1 is a phenyl ring optionally substituted with up to 5 substituents independently selected from R 7; Q 2 is a phenyl ring optionally substituted with up to 5 substituents independently selected from R 10; Y 1 and Y 2 are each O; R 2, R 3, R 4, R 5 and R 6 are each H; R 1 is H, C 1 -C 6 alkyl, C 1 -C 6 haloalkyl or C 4 -C 8 cycloalkylalkyl; and each R 7 and R 10 is independently halogen, cyano, nitro, C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, C 2 -C 4 alkenyl, C 2 -C 4 haloalkenyl, C 2 -C 4 alkynyl, C 2 -C 4 haloalkynyl, C 1 -C 4 nitroalkyl, C 2 -C 4 nitroalkenyl, C 2 -C 4 alkoxyalkyl, C 2 -C 4 haloalkoxyalkyl, C 3 -C 4 cycloalkyl, C 3 -C 4 halocycloalkyl, cyclopropylmethyl, methylcyclopropyl, C 1 -C 4 alkoxy, C 1 -C 4 haloalkoxy, C 2 -C 4 alkenyloxy, C 2 -C 4 haloalkenyloxy, C 3 -C 4 alkynyloxy, C 3 -C 4 haloalkynyloxy, C 3 -C 4 cycloalkoxy, C 1 -C 4 alkylthio, C 1 -C 4 haloalkylthio, C 1 -C 4 alkylsulfinyl, C 1 -C 4 haloalkylsulfinyl, C 1 -C 4 alkylsulfonyl, C 1 -C 4 haloalkylsulfonyl, hydroxy, formyl, C 2 -C 4 alkylcarbonyl, C 2 -C 4 alkylcarbonyloxy, C 1 -C 4 alkylsulfonyloxy, C 1 -C 4 haloalkylsulfonyloxy, formylamino, C 2 -C 4 alkylcarbonylamino, -SF 5, -SCN, C 3 -C 4 trialkylsilyl, trimethylsilylmethyl or trimethylsilylmethoxy; provided that (c) when Q 1 is an unsubstituted phenyl ring, and Q 2 comprises a phenyl ring directly bonded to the remainder of Formula 1, then said Q 2 ring is substituted with R 10 other than F at a 2-position, cyano or -CF 3 at the 4-position; and (f) when Q 1 comprises a phenyl ring directly bonded to the remainder of Formula 1 and said ring is substituted with R 7 at both ortho positions (relative to the bond to the remainder of Formula 1), then said ring is also independently substituted with R 7 on at least one additional position.