Susceptibility of Non-target Aquatic Macro-invertebrates and Vertebrates to Piper guineense (Piperaceae) and Spilanthes mauritiana (Asteraceae) Powder in Kilifi District, Kenya

S. O. Ohaga, I. O. Ndiege, S. S. Kubasu, J. C. Beier and C. M. Mbogo

International Journal of Zoological Research 3 ( 2 ): 86 - 93 , 2007