Methods of attracting and combatting insects

A method for attracting and killing insects comprising offering to said insects for ingestion a compound having the formula:

• ##STR5## wherein:
• R.sub.1 is CN or methyl;
• R.sub.2 is S(O).sub.n R.sub.3 ;
• R.sub.3 is alkyl or haloallcyl;
• R.sub.4 is hydrogen, halogen, --NR.sub.5 R.sub.6, --S(O).sub.m R.sub.7, alkyl, haloalkyl, --OR.sub.8 or --N=C(R.sub.9)(R.sub.10);
• each of R.sub.5 and R.sub.6, which are the same or different, is hydrogen, alkyl, haloalkyl, -C(O)alkyl or -S(O).sub.r CF.sub.3 ;
• or R.sub.5 and R.sub.6 together form a divalent lower alkylene radical which is optionally interrupted by one or more heteroatoms selected from O, S and N;
• R.sub.7 is alkyl or haloalkyl;
• R.sub.8 is alkyl, haloalkyl or hydrogen;
• R.sub.9 is hydrogen or alkyl;
• R.sub.10 is phenyl or heteroaryl, each of which is unsubstituted or is substituted with one or more substituents selected from the group consisting of hydroxy, halogen, --O--alkyl, --S--alkyl, cyano and alkyl;
• each of R.sub.11 and R.sub.12, which are the same or different, is halogen or hydrogen;
• R.sub.13 is halogen, haloalkyl, haloalkoxy, --S(O).sub.q CF.sub.3 or --SF.sub.5 ;
• each of m, n, q and r, which are the same or different, is 0, 1 or 2;
• and
• X is nitrogen or C--R.sub.12 ;
• provided that when R.sub.1 is methyl, R.sub.3 is haloalkyl, R.sub.4 is NH.sub.2, R.sub.11 is C.sub.1, R.sub.13 is CF.sub.3, and X is N;
• wherein said compound of formula (I) is offered in an amount which is effective both as an attractant and as an insecticide.

A method for controlling a population of insects at a locus which is in or near a food storage, preparation, serving or eating area, said method comprising offering to said insects as an alternative food source an amount of a compound having the formula:

• ##STR6## wherein:
• R.sub.1 is CN or methyl;
• R.sub.2 is --S(O).sub.n R.sub.3 ;
• R.sub.3 is alkyl or haloalkyl;
• R.sub.4 is hydrogen, halogen, --NR.sub.5 R.sub.6, --S(O).sub.m R.sub.7, alkyl, haloalkyl, --OR.sub.8 or each of R.sub.5 and R.sub.6, which are the same or different, is hydrogen, alkyl, haloalkyl, --C(O)alkyl or --S(O).sub.r CF.sub.3 ;
• or R.sub.5 and R.sub.6 together form a divalent lower alkylene radical which is optionally interrupted by one or more heteroatoms selected from O, S and N;
• R.sub.7 is alkyl or haloalkyl;
• R.sub.8 is alkyl, haloalkyl or hydrogen;
• R.sub.9 is hydrogen or alkyl;
• R.sub.10 is phenyl or heteroaryl, each of which is unsubstituted or is substituted with one or more substituents selected from the group consisting of hydroxy, halogen, --O--alkyl, --S--alkyl, cyano and alkyl;
• each of R.sub.11 and R.sub.12, which are the same or different, is halogen or hydrogen;
• R.sub.13 is halogen, haloalkyl, haloalkoxy, --S(O).sub.q CF.sub.3 or --SF.sub.5 ;
• each of m, n, q and r, which are the same or different, is 0, 1 or 2;
• and
• X is nitrogen or C--R.sub.12 ;
• provided that when R.sub.1 is methyl, R.sub.3 is haloalkyl, R.sub.4 is NH.sub.2, R.sub.11 is Cl, R.sub.13 is CF.sub.3, and X is N;
• which is effective both as an attractant and as an insecticide.