Tegotettix armatus, : Hancock, 1913

Patano, Romeo R., Mohagan, Alma B., Tumbrinck, Josef, Amoroso, Victor B. & Skejo, Josip, 2021, Horned and spiky: Tegotettix derijei sp. n. (Orthoptera: Tetrigidae) is a peculiar new pygmy grasshopper species from Mindanao, Zootaxa 4933 (2), pp. 198-210 : 201

Tegotettix armatus species group

Diagnosis. Fastigial horns high and spiky. Lateral ocelli placed at the same level as the lower margins of the compound eyes. In frontal view, frontal costa long and distinct, almost as long as half of the compound eye height. Facial carinae after the bifurcation divergent and with a concavity in the upper third. Prozona developed. Shoulders (humeral part of the pronotum) robust. Pronotum with projections on the median carina, on the discus, and on the lateral carinae. Femora armed with teeth. Chitinous surfaces very rough and tuberculated. This group of species represents the core species group of the genus Tegotettix .

Composition and distribution. This species group includes Tegotettix armatus Hancock, 1913 (Borneo) , T. bufocrocodil ( Storozhenko et Dawwrueng, 2015) ( Thailand, Vietnam, Cambodia), T. celebensis Günther, 1937 ( Indonesia: Sulawesi), and T. siebersi Günther, 1938 (Borneo) ( Figure 4 ).

Figures

FIGURE 4. Simplified biogeography of the genus Tegotettix in the islands of Oriental, Wallacean, and Papuan regions. This distribution map shows species of the genus Tegotettix and their accompanying species groups (marked by color, except for the new species which is marked red in the distribution map). Drawn by Josip Skejo.