Number of frog-biting midges (Corethrella spp.) collected in acoustic traps (Gamboa, Panama) using a fully crossed 3×3 design: no, low or high artificial light treatments (0.10, 0.15, 0.30 lux, respectively) crossed with Engystomops pustulosus frog call plus no (solid trendline), low (dashed trendline), or high (dotted trendline) city noise (45, 60, and 75 decibels, respectively). Shown are means ± 1 SE.