Homogryllacris foveolis, Zhang & Pang & Bian, 2023

Zhang, Qianwen, Pang, Siyu & Bian, Xun, 2023, Contribution to the knowledge of Chinese Gryllacrididae (Orthoptera) XXI: New reports from Fujian Province, Zootaxa 5353 (1), pp. 60-66 : 62-63

Homogryllacris foveolis sp. nov.

ufiñșŝ

Figure 2

Description. Male. Body medium. Face with impressed dots; fastigium verticis about 2 times as wide as scape; fastigium frontis separated from fastigium verticis by a very fine suture ( Fig. 2A ). Ocelli distinct, median ocellus slightly larger than lateral ocelli ( Fig. 2A ).

Anterior margin of pronotum projected in middle, posterior margin nearly straight ( Fig. 2B ); lateral lobes longer than high, anterior angle widely rounded, posterior angle rounded angular, humeral sinus indistinct ( Fig. 2C ).

Wings slightly surpassing the hind femora. Fore and middle femora unarmed on ventral surfaces; hind femora with 7–10 internal and 4–7 external spines. Fore and middle tibiae with 4 pairs of spurs and 1 pair of apical spurs on ventral surfaces; middle tibiae with 1 internal apical spine on dorsal surface. Hind tibiae with 6 pairs of dorsal spines and 1 pair of apical spurs on dorsal surface, ventral surface with 1 pair of subapical spurs and 2 pairs of apical spurs.

Abdominal tergites two and three each with two rows of stridulatory pegs ( Fig. 2D ). Eighth and ninth abdominal tergites prolonged and down-curved. Tenth abdominal tergite short with 1 pair of hooks, its basal half stout, apical half right-angularly incurved and terminating into a sharp spine, its apex pointing inward ( Fig. 2F–H ). Subgenital plate longer than wide, lateral margins subparallel, posterior margin widely concave in middle ( Fig. 2I ). Styli slender located on both sides of the subapical area of subgenital plate ( Fig. 2I ).

Female. Unknown.

Coloration. Body yellow with purplish red spots. Margins of antennal cavities black; bases and apices of scape and bases of pedicel with black spots ( Fig. 2A ). Pronotum with purplish red median band which widened at anterior and posterior margins ( Fig. 2B ). All legs with purplish red spots. Tegmina semitransparent yellow; veins purplish red. Dorsal surface of abdomen purplish red. Apical half of processes of male tenth abdominal tergite black ( Fig. 2F ).

Measurements (mm). Male: BL 23.44–24.16, PL 5.41–5.93, TL 17.99–19.19, HFL 12.96–13.52.

Material examined. Holotype: male, Kengdi, Shouning , Fujian, July 17, 2023, coll. by Fanduo Cai . Paratype: 1 male, the other information as holotype.

Discussion. The new species differs from Homogryllacris rufovaria Liu, 2007 (Chinese name: ÷äñșŝ) by the spines of male tenth abdominal tergite directing inwards ( Fig. 2G ) instead of directing interno-ventrad ( Fig. 3G ); posterior margin of male subgenital plate with shallow concavity in middle ( Fig. 2I ), while the latter species has deeper concavity ( Fig. 3I ).

Etymology. The name of the new species is derived from Latin fove referring to the posterior margin of male subgenital plate shallowly concave in the middle.

Figures

FIGURE 2. Homogryllacris foveolis sp. nov. Male: A. head in frontal view; B–C. head and pronotum: B. dorsal view, C. lateral view; D. second and third abdominal tergites in lateral view; E–I. apex of abdomen: E. lateral view, F. apical view, G. apical and ventral view, H. apical and slightly dorsal view, I. ventral view.

FIGURE 3. Homogryllacris rufovaria Liu, 2007. Male: A. head in frontal view; B–C. head and pronotum: B. dorsal view, C. lateral view; D. second and third abdominal tergites in lateral view; E–I. apex of abdomen: E. lateral view, F. apical view, G. apical and dorsal view, H. apical and slightly ventral view, I. ventral view.