Bioacoustics of Woznessenskia lianhua

Description. Male. Body large (> 20 mm ). Head. Face narrow and oval; fastigium verticis almost as broad as antennal scape; vertex obtusely rounded ( Fig. 1A–B ); compound eyes ovate, protruding outward ( Fig. 1C ). Pronotum. Anterior margin slightly protruding; posterior margin rounded ( Fig. 1A–C ). Legs. Procoxa with a spine along anterior margin; profemur and mesofemur without spine; protibiae and mesotibiae with four pairs of lengthy ventral spines and one pair of short ventral spurs; mesotibiae with a subapical spur on inner dorsal side; postfemora with ten inner spines and eight outer spines on ventral margin ( Fig. 1I ); posttibiae with six inner spines and seven outer spines on dorsal margin, ventral margins with one pre-apical spine each, three apical spurs on both sides. Wings. Fore wings obviously surpassing abdomen, close to three times as long as postfemora; R with two branches, both forked near tip; M bifurcated into MA and MP, MA without further branch and free; MP extending downwards for a distance, and intersecting with CuA1 to form MP+CuA1, which extending forwards for a distance and then bifurcated again for two parallel veins; CuA bifurcated into CuA1 and CuA2, CuA1 connecting with MP, CuA2 without further branch and free; CuP free throughout ( Fig. 3A, C ). Hind wings slightly longer than fore wings. Abdomen. The second and third abdominal tergites each with two rows of stridulatory pegs; processes of the tenth abdominal tergite relatively long and slightly upwards curved, covered with short setae, its apex beyond apex of cerci ( Fig. 1D–F ); projections of the processes gradually compressed with needle-like tip ( Fig. 1H ); the ninth abdominal tergite with a pair of S-shaped and sclerotized processes ( Fig. 1G ); cerci covered with relatively long setae; subgenital plate with convex latero-apical margins, slightly separated by a concave excision in the middle of apical margin; styli cylindrical and extremely short. Coloration. Body orange-yellow ( Fig. 4A–B ); compound eyes blackish brown; ocelli orange-yellow; genae beneath eyes with a thin black stripe separately; fastigium verticis blackish brown; pronotum spotless, with thin black stripe along entire margin and the central portion orange-yellow; spines and spurs on all femora and tibiae blackish-brown with basal parts orange-yellow; fore wings semi-transparent, veins dark brown; hind wing semi-transparent, veins dark brown; abdominal tergites black. Female. Similar to male ( Fig. 2A–C ). Venation of fore wings little different, before M branch divides into MA and MP, M directly intersects with CuA1 ( Fig. 3B, D ); the seventh abdominal sternite with length and width almost equal, lateral margins subparallel, apical margin little stiffened with narrow rim, convex on both sides with protrusion, and concave in middle; cercus conical, apex acute; subgenital plate short, with numerous wrinkles ( Fig. 2D–E ); ovipositor moderately upcurved with a rounded apex ( Fig. 2F ). Measurements (mm). Body: ♂ 22.1, ♀ 22.2; pronotum: ♂ 4.0, ♀ 5.1; fore wings: ♂ 36.0, ♀ 37.0; postfemur: ♂ 13.5, ♀ 14.8; ovipositor: 11.3.