Treatments    Exposed periods (hour) (Mortality %) 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 Anethum  graveolens 16.67 26.67 33.33 36.67 36.67 46.67 50 53.333 56.67 56.67 Apium  graveolens 36.67 60 73.33 76.67 83.33 86.67 86.67 90 90 93.33 Eucalyptus  glauca 13.33 73.33 86.67 90 90 90 90 90 90 90 Malva  parviflora 73.33 83.33 90 93.33 93.33 96.67 96.67 96.667 96.67 96.67 Mentha  longifolia 43.33 63.33 73.33 76.67 86.67 90 90 93.333 93.33 93.33 Zingiber  officinale 93.33 96.67 96.67 100 100 100 100 100 100 100 *Total of 3 replication

Table 1: Cumulative percent mortality of Tribolium confusum with different plant extracts at exposed periods