Cercoteratura mirabilis (Tan & Wahab, 2018) Tan & Wahab, 2020

Tan, Ming Kai & Wahab, Rodzay Bin Haji Abdul, 2020, A short taxonomic note on the katydids from the genus Cercoteratura Gorochov, 2019 (Orthoptera: Tettigoniidae: Meconematinae), with a key to species, Zootaxa 4750 (4), pp. 591-595 : 593

Cercoteratura mirabilis (Tan & Wahab, 2018) comb. nov.

( Fig. 2 )

Kuzicus mirabilis — Tan & Wahab, 2018a: 583 > original description. Tan & Wahab, 2018b: 137 > record in Kuala Belalong Field Studies Centre

Type details. Male holotype (Universiti Brunei Darussalam Museum, Brunei), Borneo, Brunei, Ulu Temburong National Park, Kuala Belalong Field Studies Centre

Material examined. Holotype (male, KB.17.93): Brunei Darussalam, Ulu Temburong National Park, Kuala Belalong Field Studies Centre along Ashton Trail , primary ridge dipterocarp forest, N4.54595, E115.15700, 126.2± 9.4 m.a.s.l., under foliage of tree, 27 July 2017, 2120 hours, coll. M. K. Tan (dried pinned).

Male (collected as subadult but did not emerge into adult properly) (KB.19.36), same locality as holotype, N4.54589, E115.15690, 120.5± 8.9 m.a.s.l., under foliage of tree, 16 July 2019, 1951 hours, coll. M. K. Tan & H. Yeo.

Generic status. The species is considered a member of Cercoteratura by the presence of these characters: male tenth abdominal tergite with posteromedian lobe (which is rather diverse in shape and width among congeners), male cerci strongly curved upwards and situated very close to each other in rest position (sensu Gorochov, 2019).

Comparison with congeners and diagnosis. Cercoteratura mirabilis comb. nov. differs from all known congeners by (1) male tenth abdominal tergite with posterior margin deeply notched in the middle, in the middle produced into a flat rectangular lobe; apex of this rectangular lobe with two lateral stout processes. (2) Basal part of male cercus laterally produced into a triangular ventral lobe pointing externally and with a small flattened ventral internal lobe; remaining of cercus curved dorsad, then anteriorly; apex of cercus somewhat truncated, sinuate into a flattened apical lobe pointing internally when viewed posteriorly. (3) Male genitalia with elongated sclerotized epiphallus; lateral margin with a lobe at the middle and ventro-posterior end; lateral lobes produced into acute spinelike processes ( Tan & Wahab, 2018b).

Cercoteratura mirabilis comb. nov. is most similar to C. spinicauda and C. variegata by the black patterns across the body (whereas C.? abbreviata and C. modesta are more unicolourous) but the males differs mainly by shape of tenth abdominal tergite, shape of cercus and genitalia.

Figures

FIGURE 2. Live habitus of a male juvenile (KB.19.36) of Cercoteratura mirabilis (Tan & Wahab, 2018) comb. nov. from Kuala Belalong. Photograph by Huiqing Yeo.