. The Canadian entomologist. Insects; Entomology. THE CANADIAN ENTOMOLOGIST 283 TABLE VI. Method of Treatment. Number of trees. Olives infested in treated orchard. Olives infested in untreated orchard. 1907 sprayed 1908 sprayed 1909 sacs 620 620 620 /o /o % % It is evident from tables V and VI that the use of these sacs in isolated olive gardens did not give as good results as the use of the poisoned bait spray during the previous years. In a non-isolated orchard containing 675 olive trees, each tree was provided with a sac. This orc
. The Canadian entomologist. Insects; Entomology. THE CANADIAN ENTOMOLOGIST 283 TABLE VI. Method of Treatment. Number of trees. Olives infested in treated orchard. Olives infested in untreated orchard. 1907 sprayed 1908 sprayed 1909 sacs 620 620 620 /o /o % % It is evident from tables V and VI that the use of these sacs in isolated olive gardens did not give as good results as the use of the poisoned bait spray during the previous years. In a non-isolated orchard containing 675 olive trees, each tree was provided with a sac. This orchard had never been sprayed. The results showed that 15 to of the olives were infested in this olive garden, whereas in a neighbouring olive plantation bearing the same variety of olives 26 to were attacked by the pest. It is apparent that little value can be attributed to this dry method of control in a non-isolated olive Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Entomological Society of Canada (1863-1871); Entomological Society of Canada (1951- ); Entomological Society of Ontario. Ottawa [etc. ] Entomological Society of Canada [etc. ]
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