August 2012

Seasonal variation in the prevalence of malaria and vector species in Northern Namibia

  The prevalence of malaria parasite, Plasmodium falciparum and the abundance of malaria vector species were studied in selected areas of northern Namibia during the wet and the dry seasons.  Female mosquitoes were collected using exit window traps. Blood smears were prepared and body temperatures recorded from suspected malaria patients in order to determine the prevalence of malaria parasites...

Author(s): Kamwi R. N., Mfune J. K. E., Kaaya G. P. and Jonazi J. B.

August 2012

Virulence of Beauveria bassiana against Sunn pest, Eurygaster integriceps Puton (Hemiptera: Scutelleridae) at different time periods of application

  The virulence of Beauveria bassiana to overwintering Sunn pest adults was determined in the laboratory using micro-application techniques. Five microliter of 2 × 103, 2 × 104, 2 × 105, 2 × 106, 1 × 107, 2 × 107, 1 × 108 conidia/ml-1 were used in  November, January and March. Applications were made to the mesosternum of adults. Mortality was...

Author(s):   Abdul Nasser Trissi, Mustapha El Bouhssini, Mohammad Naif Al Salti, Mohammad Abdulhai, Margaret Skinner and Bruce L. Parker