Fig. 2From: Human-landing rate, gonotrophic cycle length, survivorship, and public health importance of Simulium erythrocephalum in Zaragoza, northeastern SpainBimodal daily landing activity pattern (line) and parity rates (bars) of host-seeking S. erythrocephalum females. For the Y1 axis, the values are expressed as the least square means ± standard error of the number of flies attracted by human-landing collectors, whereas for the Y2 axis, the values are the parity rates expressed as percentagesBack to article page