Quiva (Paraquiva) obscura, Mendes, 2022

Mendes, Diego Matheus De Mello, 2022, New species of Quiva (Paraquiva) Cadena-Castañeda & Gorochov, 2013 (Orthoptera: Tettigoniidae: Phaneropterinae: Dysoniini) from Brazilian Amazon Rainforest, Zootaxa 5174 (1), pp. 93-100 : 94-100

publication ID	https://doi.org/ 10.11646/zootaxa.5174.1.7
publication LSID	lsid:zoobank.org:pub:AD5A0317-C2C1-401B-955A-D0F39CB950ED
DOI	https://doi.org/10.5281/zenodo.6973169
persistent identifier	https://treatment.plazi.org/id/03EBB066-480F-234A-D79E-9CF7FBE6FE33
treatment provided by	Plazi
scientific name	Quiva (Paraquiva) obscura
status	sp. nov.

Treatment

Quiva (Paraquiva) obscura View in CoL sp. nov.

Figures 1 View FIGURE 1 , 3–7 View FIGURE 3 View FIGURE 4 View FIGURE 5 View FIGURE 6 View FIGURE 7

Diagnosis. Cercus wide and cylindrical, in lateral view ( Fig. 3K View FIGURE 3 ); apex inward curved and acuminate, in dorsal and ventral view ( Figs. 3I–J View FIGURE 3 ). Tergite X expanded, posteriorly straight and recurved, in lateral view ( Fig. 3K View FIGURE 3 ). Apex of styles not surpassing the apex from the cercus, in lateral view ( Fig. 3K View FIGURE 3 ). Space triangular between the base of stylus, in ventral view ( Fig. 3J View FIGURE 3 ).

Description. Holotype Male.

Head. Head dorsally with small and blunt fastigium-vertex, in frontal and dorsal view ( Figs. 3B–C View FIGURE 3 ); Globular eyes ( Figs. 3B–D View FIGURE 3 ). Anterior margin of sinuous gena with rough margins, in frontal view ( Fig. 3B View FIGURE 3 ). Scape wide end cylindrical, in frontal view ( Fig. 3B View FIGURE 3 ).

Thorax. Pronotal disc rectangular, without carina, anteriorly straight and posteriorly concave, in dorsal view ( Fig. 3C View FIGURE 3 ); Dorsal-lateral suture slightly curved ( Figs. 3C–D View FIGURE 3 ). Dorsal-lateral suture and furcal suture concolorous with pronotal disc ( Fig. 3C View FIGURE 3 ). Mesobasisternum trapezoidal-shaped, anteriorly concave ( Fig. 3E View FIGURE 3 ). Lateral lobes of mesobasisternum anterolaterally, laterally and posteriorly convex ( Fig. 3E View FIGURE 3 ). Metabasisternum triangular-shaped ( Fig. 3E View FIGURE 3 ). Lateral lobes of mesobasisternum anterolaterally, laterally and posteriorly straight ( Fig. 3E View FIGURE 3 ).

Wings. Tegmina narrow, curved with rounded apex ( Fig. 4 View FIGURE 4 ). Vein R sinuous and with small branches ( Fig. 4 View FIGURE 4 ). Vein MP with two bifurcated branches reaching wing margin ( Fig. 4 View FIGURE 4 ). Vein MA with two bifurcated branches reaching wing margin ( Fig. 4 View FIGURE 4 ). Vein CuP with one bifurcation and vein CuA with three bifurcated branches reaching wing margin ( Fig. 4 View FIGURE 4 ). Subcostal vein straight and bifurcated near the apex ( Fig. 4 View FIGURE 4 ). Left stridulatory file curved basally, medially and apically straight ( Fig. 5A View FIGURE 5 ); teeth basal and apical minor in relation to middle teeth ( Fig. 5A View FIGURE 5 ). Total length of left stridulatory file 2,7 mm, greater vein width of 0.4 mm and a total of 75 teeth ( Fig. 5A View FIGURE 5 ). Right stridulatory file curved; teeth basal and apical minor in relation to middle teeth; teeth of the basal half farthest from each other ( Fig. 5B View FIGURE 5 ). Total length file of 1.6 mm, widest vein of 0.2 mm and total of 59 teeth ( Figs. 5B View FIGURE 5 ).

Legs. Fore femur slightly curved, with apex slightly narrower than the base and without ventral spines or projections ( Fig. 3F View FIGURE 3 ). Fore tibia straight, with two pairs of spines in ventral region; closed tympanum and enlarged tympanic region ( Fig. 3F View FIGURE 3 ). Mid femur straight and without ventral spines ( Fig. 3G View FIGURE 3 ). Mid tibia with enlarged basal half with five pairs of small ventral spines ( Fig. 3G View FIGURE 3 ). Hind femur enlarged at basal half ( Figs. 3H View FIGURE 3 ). Hind tibia straight, narrow, with two pairs of small ventral spines and several dorsal spines ( Figs. 3H View FIGURE 3 ). All legs with short bristles ( Figs. 3F–H View FIGURE 3 ).

Abdomen. Cercus wide and cylindrical, in lateral view ( Fig. 3K View FIGURE 3 ); apex inward curved and acuminate, in dorsal and ventral view ( Figs. 3I–J View FIGURE 3 ). Tergite X with posterior margin expanded, forming projections slightly inward curved and straight, in dorsal and lateral view ( Fig. 3I–K View FIGURE 3 ). Subgenital plate elongated, narrow and apically bifurcated ( Figs. 3I–K View FIGURE 3 ). Stylus long, narrow and with blunt apex ( Figs. 3I–J View FIGURE 3 ). Apex of styles not surpassing the apex from the cercus, in lateral view ( Fig. 3K View FIGURE 3 ). Space triangular between the base of stylus, in ventral view ( Fig. 3J View FIGURE 3 ).

Internal male genitalia. Not examined.

Coloration. Based on photos of preserved specimen ( Fig. 3 View FIGURE 3 ). Body yellowish-brown with numerous black and purple spots. Eyes dark brown. Antennas black with white bands. Tegmina dark brown with small dark yellow veins and several rounded black spots. Membranous wing dark brown and few yellow apex spots. Abdomen with black dorsal band. Apical region of black cercus.

Female: unknown.

Etymology. From Latin obscura = dark, obscure. In reference to the dark coloring and rarity of this katydid.

Geographical records. Brazil: Amazonas ( Fig. 7 View FIGURE 7 ).

Type material. Holotype ♂. BRASIL, Amazonas, Novo Airão, Rod. AM 352 , km 68, Igarapé Mato Grosso, 02°48’58”S – 60°55’18”W, 03–17.vii.2017, armadilha suspensa, J.A. Rafael & F.F. Xavier F°— Rede BIA ( INPA). GoogleMaps

Measurements (mm). Holotype ♂: TL: 12; TegL: 21; TegH: 4; WF: 3; PL: 3,2; FF: 3,3; FT: 4,2; MF: 4,4; MT: 4,5; HF: 12; HT: 11; Lplac: 2,2; LC: 2.

Habitat. The specimen was collected in Terra Firme forest, in the municipality of Novo Airão (about 150 km northwest of Manaus), with a passive trap suspended in the forest canopy (about 35 m high) ( Fig. 6 View FIGURE 6 ). The rarity of this katydid is intriguing. In the location where Q. (P.) obscura sp. nov. was found several traps (Malaise trap and suspended trap) were kept for 14 months, in addition to active collections with light traps (which are efficient for collections for Dysoniini ) and even so only one specimen was collected in this period. The katydids of Paraquiva subgenus are probably inhabitants of the forest canopy and their flight and locomotion habits are very restricted to this environment, thus justifying their rarity in collections and scientific collections.