Haplogryllacris Karny, 1937

Ingrisch, Sigfrid, 2018, New taxa and records of Gryllacrididae (Orthoptera, Stenopelmatoidea) from South East Asia and New Guinea with a key to the genera, Zootaxa 4510 (1), pp. 1-278 : 188

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https://doi.org/ 10.11646/zootaxa.4510.1.1

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Haplogryllacris Karny, 1937


Haplogryllacris Karny, 1937 View in CoL

Type species: Gryllacris simplex Walker, 1871

Discussion. Regarding the shape of the male ninth abdominal tergite and its appendages, one of the most important characters for differentiation of species and genera in Gryllacrididae , all species of Haplogryllacris of which I could study males have a roughly globular ninth tergite but in two species, H. simplex and its synonyms and H. latifrons , the tergite is unfurrowed and the apical margin entire and provided with a pair of rather closely approached small, stout and blunt teeth. In contrast, in H. castanea the ninth tergite is furrowed in apical area and it looks as though both halves are moveable against each other and provided with a pair of very small, acute, and rather distant teeth. The situation in the " simplex group" agrees with that in the type species of the genus Eremus, E. rugosifrons . Also the general shape of the male subgenital plate with subtruncate apical margin and very small styli agree between both taxa. On the other hand, the situation in H. castanea agrees with that in the type species of Neanias , N. squamatus , both species also have in common a rather short male subgenital plate with long styli. The rather large and wide heads with moderately rugose face and the absence of any projections from the narrow band-shaped tenth abdominal tergite are common for all of the species compared. For the moment I think it is too early to draw any taxonomic consequences from these observations, but one might suppose a close relationship between the three genera.

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