© Benaki Phytopathological Institute
        
        
          Papachristos & Stamopoulos
        
        
          94
        
        
          all doses tested (Mann-Whitney U test, Table
        
        
          5). Males that survived the two higher doses
        
        
          weighted significantly less compared to the
        
        
          control males (F
        
        
          3, 79
        
        
          = 4.246, P < 0.01), where-
        
        
          as the weight of the female survivors was not
        
        
          significantly affected (F
        
        
          3, 116
        
        
          = 2.489, P > 0.05).
        
        
          
            Figure 1.
          
        
        
          Mortality of
        
        
          Acanthoscelides obtectus
        
        
          larvae and pupae after exposure to three essential oil vapours [columns
        
        
          within each dose and essential oil capped by the same letter do not differ significantly (t-test: P>0.05)].