Table 1. Sound characteristics in stridulation sounds at the experimental temperatures.
| Temperature | 22°C | 30°C | 22°C repeated | |||
| AD | AB | AD | AB | AD | AB | |
| Duration (ms) | 94.8±10.0 | 88.4±4.4 | 71.5±5.9 | 67.1±3.6 | 122.7±10.8 | 91.0±8.8 |
| Number of pulses | 7.9±1.0 | 7.6±0.3 | 6.0±0.6 | 7.8±1.1 | 7.7±1.2 | 6.2±0.9 |
| Minimum pulse period (ms) | 7.7±1.3 | 5.8±0.6 | 7.4±1.2 | 5.1±0.7 | 8.8±1.3 | 7.7±0.7 |
| Maximum pulse period (ms) | 23.2±4.9 | 18.0±1.2 | 20.7±3.0 | 17.2±2.3 | 29.2±4.8 | 26.1±4.4 |
| SPL (dB re 1 µPa) | 136.4±0.7 | 137.9±1.0 | 136.6±1.1 | |||
| Dominant frequency (Hz) | 601.6±118.9 | 1271.9±107.5 | 1203.0±133.1 | |||
Mean (±SE) sound duration, number of pulses, minimum and maximum pulse period, sound pressure level (SPL) and dominant frequency in AD- and AB-stridulation sounds in P. armatulus. N = 8.