Number of eggs (+se) laid by a single Tetranychus urticae female in 24 (A), 48 (B) and 72 (C) hours after treatment with several pesticides (Direct spray F=4.36, df=7, p=0.006; Spray residues F=5.24, df=7, p=0.006). Means followed by overlapping standard error between same bar type are not statistically different.