The cost-effectiveness of the pyrethroid insecticides for controlling Heliothis spp. in cotton underscores the critical need to prolong their use. To this end, four major efforts focusing on Heliothis virescens pyrethroid resistance in the Cotton Belt were conducted during 1987. These were: (1) a Texas state-wide resistance management program, (2) a tri-state resistance management program in the mid-south, (3) an adult monitoring program conducted by university personnel, and (4) an inter-company monitoring program conducted by PEG-US. These programs represent an unprecedented wide-scale effort in the U.S. to better understand the resistance situation in Heliothis spp. on cotton and to manage the use of the pyrethroids. In general, the expectations based on the 1986 season of wide-scale control failures against H. virescens throughout the Cotton Belt were not realized. In act, in some areas, resistance levels appeared to decline. This may in part be due to the excellent compliance during 1987 with recommended management tactics. This does not, however, mean that we should become complacent. In fact, it is clearly in the national interest that we increase our collaborative efforts to combat resistance.