%0 Conference Proceedings %T Contact toxicity of three formulations from lambda- cyhalothrin against German cockroach, Blattella germanica (L.) (Blattaria: Blattellidae %A Moravvej, Gholamhossein %A Saboor, Ayda %J بیست و چهارمین کنگره بین المللی حشره شناسی (کره جنوبی) XXIV International Congress of Entomology %D 2012