Table 3.

Village of Downers Grove gypsy moth trapping results. All trapping programs for 1981, 1982, 1983, and 1984.

No. of moths caught732821
No. of traps with positive catches202121
No. of traps with multiple catches11300
Trapping density per square mile within treatment area32192019201920
Trapping density per square mile outside treatment area13232/9*32/9*
  • * 32 traps/sq. mile throughout 4 sq. miles and 9 traps/sq. mile throughout the remaining area