Efficacy of Certain Essential Oils and Insect Repellents Against Land Leeches

Relative efficacy of six essential oils, viz., Cinnamon, Citronella, Eucalyptus, Orange, Pine, Spearmint and four insect repellents i.e, Dimethyl phthalate (DMP), Dibutyl phthalate (DBP), Expel and Mylol was investigated against landleeches,Haemadipsa zeylanica montivindicis Moore, under laboratory conditions. Cinnamon oil was found to be the best among the essential oils and out of repellents, Mylol and DMP were effective equally.