Periplaneta americana (Blattodea:Blattidae) toxicity of 17 different plant-based essential oil against, adults were investigated. Used oils Lavendula angustifola (Lamiaceae), Zingiber officinale (Zingiberaceae), Citrus bergamia (Rutaceae), Juniperus virginiana (Cupressaceae), Piper nigrum (Piperaceae), Curcuna longa Betula lenta (Betulaceae), Myristica fragranaceae (Myristica fragranaceae), com...