Table 2. Wet season arthropod densities by order and guild.
|
Density,†
no./m2 (SE)
|
|||
|---|---|---|---|
| Arthropods | On accessible branches | On inaccessible branches | % change‡ |
| By order | |||
| Arachnida | 1.00 (0.17) | 1.93 (0.37) | 92*** |
| Blattaria | 0.11 (0.03) | 0.22 (0.05) | 98* |
| Coleoptera | 0.58 (0.12) | 0.80 (0.27) | 37 |
| Hemiptera | 3.85 (0.82) | 3.16 (0.56) | -18 |
| Lepidoptera§ | 0.28 (0.06) | 0.78 (0.24) | 181* |
| Orthoptera | 0.24 (0.05) | 0.29 (0.09) | 18 |
| By guild | |||
| Chewing | 0.85 (0.18) | 1.74 (0.36) | 103* |
| Predatory | 1.14 (0.24) | 2.06 (0.43) | 80*** |
| Phloem-feeding | 3.98 (0.83) | 3.16 (0.66) | -20 |
†
Mean (SE) number of arthropods per m2 of leaf area
‡
Calculated as [(density inaccessible - density accessible)/density accessible] × 100
*
, P < 0.05
***
, P < 0.001 for paired permutation tests
§
Of the total Lepidoptera, 81% (211/257) were leaf-chewing larvae and 19% were adults, with similar age proportions on accessible and inaccessible branches