Percent of the total predator community and mean abundance ± SEM of predators found in Iowa and Michigan soybean fields.

aSweep samples consisted of a 20-sweep sample of two rows of soybean plants.bYellow sticky cards were placed just above the plant canopy and remained in the field for 48 h (coincident with egg predation experiment).a. 扫网采样样本为针对两行大豆植株开展20次扫网所获得的样本。b. 黄色粘虫板（Yellow sticky cards）被置于植株冠层正上方，于田间留存48小时，与本次卵捕食实验时长一致。