A new species of genus Sichuana Shen & Yin, 2020 from Sichuan, China (Orthoptera: Tettigoniidae: Tettigoniinae: Drymadusini) Author Shen, Zi-Hao Hubei Broad Nature Technology Service Co., Ltd., Wuhan 430079, China Author Yin, Zi-Xu Co-first author. College of Fisheries, Ocean University of China, 5 Yushan Road, Qingdao 266003, China Author Chen, Long School of Life Sciences, East China Normal University, Shanghai 200241, China Author He, Zhu-Qing Corresponding author. School of Life Sciences, East China Normal University, Shanghai 200241, China text Zootaxa 2025 2025-10-31 5716 3 365 381 https://doi.org/10.11646/zootaxa.5716.3.4 journal article 313781 10.11646/zootaxa.5716.3.4 1952831a-e82d-4872-aa6c-3bbd15f9583a 1175-5326 17889476

TABLE 2. Main differences among Sichuana species.

	S. taiji sp. nov.	S. planicercata	S. curvicercata	S. longilamina	S. cryptospina	S. feicui	S. magnicerca
Processes on the prosternum	Shorter	Shorter	Shorter	Longer	Longer	Longer	Longer
Male tegmina Lateral field relatively narrower, male left tegmina with 27-31 distinct stridulatory teeth		Lateral field relatively narrower, male left tegmina with about 20 distinct stridulatory teeth	Lateral field relatively narrower, male left tegmina with about 18 distinct stridulatory teeth	Lateral field relatively wider, male left tegmina with about 34 distinct stridulatory teeth	Lateral field relatively wider, male left tegmina with about 24 distinct stridulatory teeth	Lateral field relatively wider, male left tegmina with about 28 distinct stridulatory teeth	Lateral field relatively wider, male left tegmina with about 33 distinct stridulatory teeth
Male 10th abdominal tergite	Posterior margin medially with a shallow notch, its sides forming a pair of round, blunt lobes, which lack strongly sclerotized margins	Posterior margin medially with a shallow notch, its sides formed a pair of very short round projections, which lack strongly sclerotized margins	Posterior margin lack strongly sclerotized, medially with a wide and shallow notch	Posterior margin medially with a trapezoidal notch, its sides forming a pair of round, blunt lobes, which have strongly sclerotized margins	Posterior margin medially with a “U”-sharped notch, its sides forming a pair of round, blunt lobes, which have strongly sclerotized margins	Posterior margin medially with a broadly rounded, shallow notch, its sides formed a pair of very short round projections, which lack strongly sclerotized margins	Posterior margin medially with a “U”-sharped, shallow notch, its sides formed a pair of round, blunt lobes,, which have strongly sclerotized margins
Male cercus	Incurved at obtuse angle	Incurved at obtuse angle	Incurved at obtuse angle	Incurved at obtuse angle	Incurved at obtuse angle	Incurved at obtuse angle	Incurved at obtuse angle
	from midlength, slightly deflected ventrally, apex acute; inner tooth basal part expanded inward, apical part gradually thin and incurved, not beyond subgenital plate	from midlength, apex acute, from midlength, distinctly not deflected toward dorsal curved ventrally after the or ventral side; inner tooth middle, apex pointing basal part not expanded, dorsally; inner tooth with apical part gradually thined basal and most apical parts and incurved, not beyond thick and nearly straight, subgenital plate uniform in thickness; apex abruptly thin and incurved, not beyond subgenital plate		beyond midlength, deflected dorsally, apex acute; inner tooth basal part not expanded, apical part gradually thined and incurved, apex pointing dorsally, not beyond subgenital plate	from midlength, slightly deflected dorsally, apex acute; inner tooth slender and not expanded, apical area gradually thined and incurved, not beyond subgenital plate	in apical part, slightly deflected ventrally, apex relatively blunt; inner tooth basal part thick and incurved, apex abruptly thin and incurved, apex pointing ventrally, not beyond subgenital plate	beyond midlength, deflected dorsally, apex acute; inner tooth basal part not expanded, apical part gradually thined and incurved, apex slightly pointing dorsally, beyond subgenital plate
Male subgenital plate	Not elongate, sytli relatively shorter	Not elongate, sytli relatively Not elongate, sytli relatively shorter shorter		Elongate, far beyond cercus; stylli relatively longer, about one-third the length of subgenital plate	Not elongate, sytli relatively shorter	Not elongate, sytli relatively shorter	Not elongate, sytli relatively shorter
Literature checked for the species	This study	Gu et al. 2023	Gu et al. 2023	Gu et al. 2023	Yin et al. 2020	He et al. 2020, this study	Gu et al. 2023