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. 2018 Sep 27;111(6):2617–2631. doi: 10.1093/jee/toy285

Table 5.

Mean (± SEM) number of seeds consumed for four weed species by four different omnivorous ground beetle species over a 48-h period

Weed Ground beetle species Overall mean
Amara carinata Harpalus amputatus Harpalus erraticus Harpalus pensylvanicus
Barnyardgrass 0.32 ± 0.16a 0.22 ± 0.13a 10.26 ± 1.20a 8.12 ± 1.26a 4.91 ± 0.39a
Yellow foxtail 0.06 ± 0.07a 0.87 ± 0.29a 0.65 ± 0.24b 1.25 ± 0.35b 0.76 ± 0.13b
Kochia 3.12 ± 0.87b 6.26 ± 1.27b 8.06 ± 1.02a 2.11 ± 0.48b 5.36 ± 0.42a
Lambsquarters 6.82 ± 1.76c 10.20 ± 1.94c 19.63 ± 1.96c 21.79 ± 2.93c 15.78 ± 0.94c
Dry beetle dry weight (mg) 39.34 ± 2.21 23.02 ± 1.36 85.50 ± 5.10 56.27 ± 3.35

Values within a column followed by different lower case letters indicate significant differences in the mean number of weed seeds consumed by a particular ground beetle species (Tukey’s Honest Significant Difference multiple comparison test, α = 0.05).