바퀴 독먹이제의 살충 효과 및 지속성 검증 = Insecticidal Effect of Cockroach Baits and their Persistent Efficacy Against the German Cockroach, Blattella germanica

국문 초록 (Abstract)

바퀴는 혐오감을 줄 뿐만 아니라 여러 종류의 병원체를 기계적으로 전파하는 주요한 위생곤충이며, 바퀴 방제를 위해 독먹이제를 가장 많이 사용한다. 본 연구에서는 4종류(chlorpyrifos, avermectin, hydramethylnon 및 fipronil)의 살충 주성분이 각각 함유된 국내 유통 독먹이제 3종(Korea Combat Ultra Slim (K-CUS), Korea Combat Power (K-CP) 및 Korea Zaps Dual Bait (K-ZDB))과 미국 유통 독먹이제 3종(US Combat Source Kill Max (US-CSKM), US Hot Shot MaxAttrax Roach Bait (US-HSM) 및 US Raid Double Control Small Roach Bait (US-RDC))의 독일바퀴(Blattella germanica)에 대한 살충효력을 검증하였다. 6종의 독먹이제 중 fipronil을 살충 주성분으로 사용하는 세 가지의 독먹이제(K-CUS, K-CP 및 US-CSKM)가 속효성 및 높은 살충효과를 나타내었다. K-CUS과 K-CP의 살충효력의 지속성을 검정하기 위해 두 제품을 개봉 후 6개월 및 12개월 이후에 추가로 생물검정을 실시한 결과, 두 제품 모두 시간이 지남에 따라 제품 개봉 직후에 비해 살충효과가 감소하는 경향을 보였지만, 40시간 이내 독일바퀴에 대한 사충률이 90%에 도달하는 것을 감안하면 적어도 이들 독먹이제의 옥내 설치 후 1년동안은 살충효과가 유지되는 것으로 판단된다.

다국어 초록 (Multilingual Abstract)

Cockroaches are a not only nuisance insects but also have medical importance as they mechanically propagate various pathogens. To date, baits have been widely suggested for use in cockroach control. In this study, we investigated the insecticidal effects of three Korean baits-Korea Combat Ultra Slim (K-CUS), Korea Combat Power (K-CP), and Korea Zaps Dual Bait (K-ZDB)-and three US baits-US Combat Source Kill Max (US-CSKM), US Hot Shot MaxAttrax Roach Bait (US-HSM), and US Raid Double Control Small Roach Bait (US-RDC)-on the German cockroach (Blattella germanica). Among the six baits, three (K-CUS, K-CP, and US-CSKM), the main active ingredients of fipronil, showed rapid and strong insecticidal efficacy. In addition, we compared the persistence of the insecticidal effects of K-CUS and K-CP 6 months and 12 months after initial opening. Insecticidal effects of both baits decreased over time, but the mortality rates of cockroaches exposed to 6-month- and 12-month-aged baits were over 90%, suggesting that these baits can maintain their insecticidal effect for at least one year after indoor installation.

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