Table 2 Parameters characterizing the peripheral directionality in the four species of field cricket.
From: Two matched filters and the evolution of mating signals in four species of cricket
|  | Optimum of mean directional tuning [kHz] | Max. IIDs of mean standardized tuning curve [dB] | Optimum of directional tuning in individuals [kHz] [Range of variation] | Mean width of directional tuning 5dB below optimum ± SD [Hz] [Range of variation] | Mean CF of male signals ± SD [kHz] [Range of variation] |
|---|---|---|---|---|---|
Gryllus bimaculatus | 4.5 | 7.7 | 4.5 (± 0.23) [4-5.1] | 1395 (± 488) [400-2200] | 4.7 (± 0.21) [4.3-5.2] |
Gryllus campestris | 4.8 | 17.4 | 4.6 (± 0.56) [3.6-5.7] | 567 (± 602) [100-1900] | 4.7 (± 0.2) [4.3-5.1] |
Teleogryllus oceanicus | 4.4 | 11.2 | 4.2 (± 0.27) [3.6-4.5] | 991 (± 591) [200-2500] | 4.8 (± 0.21) [4.3-5.4] |
Teleogryllus commodus | 4.0 | 13 | 3.9 (± 0.3) [3.4-4.5] | 833 (± 559) [200-1800] | 4.0 (± 0.15) [3.8-4.2] |