Density, infection and human bloodmeals of tsetse flies. This map shows the results of entomological survey. Tsetse flies are far more abundant in the southern rural area than in the northern rural area. Some tsetse flies were caught in the town. All the T. brucei infected tsetse flies were caught in the southern rural area and in the town, except one in the northern rural area. All the bloodmeals taken on humans by tsetse flies were located in the south rural area.