EFFICIENCY OF SULFLURAMID-GRANULATED BAITON ON THE CONTROL OF RED LEAF CUTTING ANT, Acromyrmex heyeri.
DOI:
https://doi.org/10.5902/19805098313Keywords:
Acromyrmex heyeri, red leaf cutting ant, chemical control, granilated baits, Sulfluramid, Chlorpyrifos, Dodecachlor.Abstract
Two experiments were carried out to evaluate the efficiency of some ganulated baits on the control of the red leaf cutting ant, Acromyrmex heyeri (Forel, 1899) (Hymenoptera: Formicidae) in Santa Maria- RS from January until May 1995 on an area with native pasture. Baits containing Chlorpyrifos at 4.5g a.i. kg-1, Sulfluramid at 3.0g a.i. kg-1 and Dodecachlor at 4.5g a.i. kg-1 were applied 10g/small nest (20-30cm diameter) and 30g/big nest (45-60cm diameter) using a completely randomized design with 10 replication. Up to 72 hours afterwards the attractiveness or repulsiveness of the baits were evaluated. Five, 30, 60, and 90 bays later the activity of the nests were observed. Ninety after treatmentes the nests were excaved and control efficiency was calculated. For small nests, 10g/ nest of baits containing Sulfluramid were as efficient as the standard treatment, 30g/ nest of Docecachlor. For big nests, 30g/ nest of baits containing Sulfluramid were as efficient as the standard Dodecachlor. Baits containing Chlorpyrifos were not efficient on the control of the red ant.
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References
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