Viadana (Viadana) bulbosa Gorochov, 2015

Gorochov, A. V., 2018, Systematics of the American Katydids (Orthoptera: Tettigoniidae). Communication 8, Proceedings of the Zoological Institute of the Russian Academy of Sciences 322 (4), pp. 398-456 : 413-415

Viadana (Viadana) bulbosa Gorochov, 2015

( Figs 95, 96 )

Material studied. PERU: 1 female, Junin Department, Satipo Prov. , 12 km N of Satipo Town ,

“ Concesion de Conservacion de la Universitaria ”, 11.2031563°S, 74.6194062°W, ~ 600 m, primary/ secondary forest, at light, 25–27 November 2017, A. Gorochov, G. Irisov .

Description. Female (nov.). General appearance very similar to that of male ( Gorochov and Cadena-Castañeda 2015) including structure and colouration of tegmina (four oblique branches between radial area and anal tegminal edge connected with each other in subdistal parts by one row from distinct longitudinal but slightly arcuate crossveins, and almost each of areas between these veins having small darkish posterior mark); genital plate slightly transverse, with round posterior part having small angular posteromedian notch, keel-like median (longitudinal) convexity, and a pair of concavities around it ( Fig. 95 ); ovipositor as in Fig. 96 .

Length (mm). Body 16.0; body with wings 35.0; pronotum 4.3; tegmina 27.0; hind femora 13.0; ovipositor 8.5.

Male sufficiently described in original species description ( Gorochov and Cadena-Castañeda 2015).

Remarks. This species was described for one male from the Ucayali Department of Peru, and the above-mentioned female increases V. bulbosa area up to the Satipo vicinity.

Figures

Figs 95–107. Viadana Walk., female:95, 96 – V. (Viadana) bulbosa Gor.; 97–99 – V. (V.) obliqua Gor.; 100–102 – V. (V.)?lobaba (Br.-W.); 103, 104 – V. (Proviadana) proxima Gor.; 105–107 – V. (V.) parobliqua sp. nov. Genital plate from below (95, 98, 101, 103, 106); ovipositor with genital plate from side (96, 99, 102, 104, 105); left tegmen (97, 100); body from side (107).