Behaviour of female mosquitoes in the presence of black cloths. A. Landing frequency of female Aedes aegypti in different nutritional states on black cloths. B. Landing frequency of female Aedes aegypti on black cloths impregnated with conidia of the entomopathogenic fungus Metarhizium anisopliae. Results were mean number (± SD) of mosquitoes observed on black cotton cloths at different times following feeding on blood or sucrose. The X axis also shows chronological time. *Significant differences between number of mosquitoes observed on cloths when comparing sucrose and blood fed insects.