Table 2. Percent of the total predator community and mean abundance ± SEM of predators found in Iowa and Michigan soybean fields.
Sweep Neta | ||||
Percentage of Total | Mean ± SEM | |||
Predator Species | Iowa | Michigan | Iowa | Michigan |
H. axyridis | 16.7 | 33.3 | 0.04±0.04 | 0.22±0.07 |
C. septempunctata | 0.0 | 57.1 | 0 | 0.38±0.11 |
P. quatuordecimpunctata | 0.0 | 4.8 | 0 | 0.03±0.03 |
C. maculata | 16.7 | 0.0 | 0.04±0.04 | 0 |
H. parenthesis | 16.7 | 4.8 | 0.04±0.04 | 0.03 |
C. nigriceps | 50.0 | 0.0 | 0.13±0.09 | 0 |
Total | 100 | 100 | 0.25±0.12 | 0.66±0.12 |
Sweep samples consisted of a 20-sweep sample of two rows of soybean plants.
Yellow sticky cards were placed just above the plant canopy and remained in the field for 48 h (coincident with egg predation experiment).