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The tribe lnsarini is delimited in this paper to four genera: Arethaea, Brachyinsara, lnsara and Psilinsara. A table to separate these genera is provided. The generic boundaries are not well delimited in this tribe. The genus Callinsara n. syn. is synonymized under Sictuna and is moved to the group Plagiopleurae. The tribal boundaries of lnsarini a...
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Citations
... The animals we found were identified as members of the genus Anaulacomera Stål, 1873 using the keys in Brunner von Wattenwyl (1891) and Cadena-Castañeda (2015). Within the genus, they are possibly similar to the species of the group alfaroi according to the size of the cerci as described by Cadena-Castañeda (2012. However, the cerci are even shorter than in this group where they are said to be slightly longer than the subgenital plate. ...
To find a mate, males and females of phaneropterine bush-crickets engage in duets. The male starts a duet and a female responds if she is prepared to mate. This pattern is exactly followed in the acoustic communication of a species of the genus Anacaulomera from the State of Bahia in Brazil which we newly describe in this manuscript. However, the male also acoustically defends the duet. As soon as it hears a female response, it adds an additional component to its own signal to make the localisation of the female difficult for rivals. At the same time the male reduces the interval between its songs for a faster exchange of information about the location of the partner, and reduces the intensity of the song that it can be heard only from nearby. Besides the nearly perfect anti-eavesdropping modifications of the duet the new species is remarkable concerning its karyotype. The meiotic behaviour of chromosomes in the male may indicate the origin of a new type of sex determination mechanism.
