Fumigant and contact toxicities of 11 Myrtaceae plant essential oils and their constituents against adult
male and female Blattella germanica were evaluated. Of 11 Myrtaceae plant essential oils, Eucalyptus polybractea,
Eucalyptus smithii, Eucalyptus radiata, Eucalyptus dives, Eucalyptus globulus, and Melaleuca uncinata,
showed 100% fumigant toxicity against adult male German cockroaches at a concentration of 7.5 mg/
liter air concentration.