Figure 4 from: Zheng Y-N, Cai X-R, Ma L-B (2022) Taxonomy of Landrevus species group of Velarifictorus Randell, 1964 (Orthoptera, Gryllidae, Gryllinae) with one new species and morphological diversity of Velarifictorus flavifrons Chopard, 1966. ZooKeys 1084: 101-117. https://doi.org/10.3897/zookeys.1084.77096

Figure 4 Calling song of Velarifictorus zhengi sp. nov. A oscillogram of chirp (amplitude versus time) B oscillogram of pulse (amplitude versus time) C spectrogram (frequency versus time).