Cumulative emergence (%) of the midges exposed to thin fullerenes layers on the top of the sediment. A) Results analyzed separately (n=18, 19, 19, 17, respectively) B) Results where all fullerene treatments (A, B, and C) are combined. Asterisks indicate significant differences from controls. (n=18 and 55, respectively). Treatments were compared to the control using the Log-rank Mantel-Cox test. The significant difference (p < 0.05) for Treatment A compared to the control is indicated by an asterisk.