Account
What the sources say about this taxon, as written.
description · 
Plazi
The species was described from China (Liu Yf et al. 2019, Liu Cx et al. 2020), but is obviously more widespread. The long lasting trilling song of M. fallax ( Fig. 6 ) is composed of quite short song units (less than one second) which are repeated without intervals. Within these units regular changes in amplitude are observed ( Fig. 7 ). The duration of one unit was 0.3–0.8 s in China (T=24–29ºC; Liu Yf et al. 2019, Liu Cx et al. 2020), 0.7 s in Thailand (T=21.5ºC) and 0.2 s in Malaysia (T=27ºC). M. fallax has a long stridulatory file carrying about 110 teeth ( Fig. 11 E ). Concerning the inter-tooth distances, the file is relatively homogenous. The distances start anally around 40–50 µm, reach the maximum at about 60–70 µm and become smaller than 40 µm only very near to the articulation ( Fig. 12 ). It will be interesting to study the songs and the relationships between the two Vietnamese species M. prominens and M. ampla and the widespread M. fallax . All three have with quite similar files ( Figs. 11–12 ) and occur in Vietnam .
diagnosis · Plazi
Diagnosis. The species is distinguished from M. niponensis by the comparatively long wide tegmen (see measurements in Tables 5–6). Bioacoustics. The species differs from M. niponensis by the much shorter period of a single song unit, and that three phases are made up of repeated simple syllables (see song parameters in Table 2). The species is widely distributed in South and southwestern China (only including Guangxi , Guangdong , Hainan and Yunnan ).
distribution · Plazi
Distribution. China ( Yunnan ). Song. The song is continuous with 0.572± 0.004s cycle repeatedly ( Fig. 5C ).
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