Establishment of the Presence of Moth: Niphograpta albiguttalis (Warner) (Lepidoptera: Pyralidae), Biological Control Agent of Water Hyacinth (Eichhornia crassipes) in Waterways of Lagos and Ogun States, Southwestern Nigeria

O.A. Oke, B.A. Adelaja, C.N. Emuh and O.J. Taiwo

Environmental Research Journal 6 ( 3 ): 158 - 163 , 2012