The toxicity value of 13 kinds of pub1ic health insecticides against the adult female cockroach, Peripianeta fu1inosa ， Serville in Korea were evaluated by the topical app1ication method of insecticides. The results obtained were summarized as follows; l ‘ S-biolline showed the most strpng susceptibility with LDso of 1.9 μg per cockroach (l, 100mg) out of 13 kinds of insecticides and other synthetic pyrethroides insecticides (bio-resmethrin2.8μ.g/cockroach ， permethrin 4.3 μg/cockroach) showed some degree of susceptibility to the smoky brown cockroach. 2. Fenitrothion showed 2.5 μ.g per cockroach which was the most strong susceptibi1ity out of 8 kinds of organophosphorus and most of them were good susceptibile but there was clear evidence for developed resistance against malathion with LDso of 80.5 μ.g per cockroach(1,100 mg). 3. Lindane showed some degree of susceptibility with LD so of 13.9 μg per cockroach (l ,100 mg) but DDT showed the most strong resistance to the smoky brown cockroach out of 13 kinds of insecticides tested.
1 . 縮論
II. 實驗 및 方法
lll. 實驗方法
lV. 考蔡
V. 結論
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