Observation of Continuous Activities of Solenopsis invicta Worker after Disturbance in the Arecanut Plantation
To provide a scientific basis for scientific monitoring and accurate control of Solenopsis invicta,the method of ruler-mark was used to observe and analysis the climbing height,the number of worker ants,and the restore calm time of S.invicta worker in arecanut(Areca catechu L.)plantation of Hainan Island.The results indicate that the number of worker ants and climbing height decreased gradually after reaching the peak at 45 s after being disturbed.Path analysis revealed that climbing height of the sunny side within 180 s of worker ants had the highest correlation with volume of ant nest after being disturbed.The volume of ant nest and the activity test duration positively influenced the climbing height of the sunny side at 15 s of worker ants after being disturbed,the climbing height of the shady side at 60 s of worker ants after being disturbed,the climbing height at 60 s of worker ants after being disturbed,and the climbing height within 180 s of worker ants after being disturbed.Additionally,surface height and volume of ant nest positively influenced the climbing height of sunny side at 60 s of worker ants after being disturbed.
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