Laboratory and Field Evaluation of Methoprene and Its Slow-Release Formulation, Altosid^<[○!R]> 10F, against the Sprinkler Sewage Filter Fly, Psychoda alternata SAY(Diptera:Psychodidae)

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The effects of methoprene (isopropyl 11-methoxy-3,7,11-trimethyldodeca-2,4-dienoate) and its slow-release formulation, Altosid[○!R] 10F containing 10% methoprene, were evaluated against Psychoda alternata both in laboratory and field conditions. Methoprene was effective on P. alternata, causing larval death, pupal death, failure of emergence, and abnormal adults. The IC_<50> values of methoprene and its slow-release formulation were 0.0014 μg/ml and 0.0023 μg/ml, respectively. Three seconds subversion of the 4th instar larvae in this slow-release formulation (3.9 μg/ml methoprene) produced a marked emergence inhibition effect. A field test was conducted against a natural population of P. alternata in a 10-person septic tank in Naruto City. After the introduction of 2.5 g of this slow-release formulation into the tank, the adults of P. alternata disappeared 1 week after the treatment for a period of over two months.
日本応用動物昆虫学会の論文
1993-02-25