
TABLE 3. Characteristics of male stridulatory files, calling songs and habitat across Eneoptera species.Stridulatory teethAmplitude modulation in trillDominant frequencyNo. of types of syllablesHabitatE. surinamensisSimple (mean 71 teeth)Yes2.95 ± 0.10 kHz (low frequency)2 (lower amplitude vs. high amplitude)Open areas and forest edgesE. caliginosaSimple (mean 64 teeth)No3.58 ± 0.04 kHz (low frequency)1 (homogenous trill)Open fieldE. guyanensisDouble teeth (mean = 57) and simple teeth (mean = 58)YesLF section: 6.48 kHz and 19.73 kHz (codominance); HF section: 20 kHz (broadband).2 (LF with lower amplitude + HF with high amplitude)Open in forested habitatE. nigripedisDouble teeth (mean = 54) and simple teeth (mean = 40h)Yes? (likely)LF section: ca. 3 kHz and 17.5 kHz (likely co-dominant);2 (LF with higher? amplitude + HF with lower? amplitude)Open in forested habitat
