Non-native species |
Number of measured individuals |
Frequency of
occurrence (%) |
Number of insects |
Difference in herbivore pressure
(binary data of undamaged vs. damaged leaves in a cbind matrix) |
Difference in herbivore pressure (binary data of undamaged vs. damaged
leaves in a cbind matrix) |
Difference in herbivore pressure (binary
data of undamaged vs. damaged leaves in a cbind matrix) |
|
|
|
|
Df |
Chisq |
P |
Erigeron canadensis* |
66 |
78.6 |
4131 |
21 |
9.88 |
0.980 |
Ipomoea cairica* |
36 |
42.9 |
355 |
11 |
1.43 |
1.000 |
Bidens frondosa* |
30 |
35.7 |
1747 |
9 |
8.76 |
0.460 |
Amaranthus spinosus* |
27 |
32.1 |
1396 |
8 |
19.61 |
0.012 |
Bidens pilosa* |
27 |
32.1 |
1708 |
8 |
6.16 |
0.629 |
Amaranthus retroflexus* |
18 |
21.4 |
696 |
5 |
26.96 |
0.000 |
Aster subulatus* |
15 |
17.9 |
19 |
4 |
1.38 |
0.848 |
Datura stramonium* |
15 |
17.9 |
1098 |
4 |
100.21 |
0.000 |
Hibiscus trionum* |
15 |
17.9 |
1105 |
4 |
13.21 |
0.010 |
Abutilon theophrasti* |
12 |
14.3 |
3066 |
3 |
6.34 |
0.096 |
Phytolacca americana* |
12 |
14.3 |
1329 |
3 |
20.57 |
0.000 |
Rhus typhina* |
12 |
14.3 |
2 |
3 |
3.65 |
0.302 |
Solidago canadensis* |
12 |
14.3 |
1122 |
3 |
0.52 |
0.914 |
Xanthium italicum* |
12 |
14.3 |
18 |
3 |
1.02 |
0.798 |
Cyperus rotundus |
9 |
10.7 |
8 |
|
|
|
Erigeron bonariensis |
9 |
10.7 |
15 |
|
|
|
Flaveria bidentis |
9 |
10.7 |
12 |
|
|
|
Veronica didyma |
9 |
10.7 |
0 |
|
|
|
Veronica persica |
9 |
10.7 |
0 |
|
|
|
Ambrosia artemisiifolia |
6 |
7.1 |
1370 |
|
|
|
Cosmos bipinnata |
6 |
7.1 |
173 |
|
|
|
Daucus carota |
6 |
7.1 |
4 |
|
|
|
Helianthus tuberosus |
6 |
7.1 |
243 |
|
|
|
Lactuca seriola |
6 |
7.1 |
648 |
|
|
|
Solanum aculeatissimum |
6 |
7.1 |
5 |
|
|
|
Erigeron annuus |
3 |
3.6 |
320 |
|
|
|
Sonchus asper |
3 |
3.6 |
133 |
|
|
|