taxonID	type	description	language	source
9D996E8E95CB54928E0152BD7CDE5519.taxon	description	Fig. 4	en	Liu, Meng-Meng, Li, Ze-Jian, Wei, Mei-Cai (2025): A new species of Platycampus (Hymenoptera, Tenthredinidae) from China, with an identification key to the world species. Journal of Hymenoptera Research 98: 897-914, DOI: 10.3897/jhr.98.167841
9D996E8E95CB54928E0152BD7CDE5519.taxon	diagnosis	Diagnosis. Body length 7.5 mm; body black; legs yellowish-brown; stigma and wing veins blackish-brown (Fig. 4 A, B); clypeal emargination triangular, anterior margin incised to 0.3 × length of clypeus; malar space 1.2 × as long as diameter of median ocellus; inner margins of eyes convergent in frontal view (Fig. 4 D); frontal area not elevated, medially slightly depressed, anterior wall notched medially; interocellar furrow broad and shallow, postocellar furrow narrow and shallow; POL: OOL: OCL = 1: 1.7: 1.3; postocellar area convex, middle furrow indistinct, approx. 3.0 × as wide as long (Fig. 4 C); median mesoscutal groove shallow and thin, extending to the apex; distance between cenchri about 0.9 × as long as breadth of a cenchrus (Fig. 4 F); lower part of mesepisternum with glabrous area; posterior margin of metepimeron rounded (Fig. 4 G); harpes apex subacute, inner surface with small medial tubercle, basal 0.4 of length distinctly swollen (Fig. 4 H); penis valve with basal width of narrow lobiform process 0.8 × that of broad lobiform process, narrow process shorter than broad process, broad lobiform process abruptly narrowing from midlength toward apex, lateral margins converging at 135 ° (Fig. 4 I).	en	Liu, Meng-Meng, Li, Ze-Jian, Wei, Mei-Cai (2025): A new species of Platycampus (Hymenoptera, Tenthredinidae) from China, with an identification key to the world species. Journal of Hymenoptera Research 98: 897-914, DOI: 10.3897/jhr.98.167841
9D996E8E95CB54928E0152BD7CDE5519.taxon	etymology	Etymology. The specific epithet “ linealis ” is derived from the slender longitudinal groove in the center of the middle fovea.	en	Liu, Meng-Meng, Li, Ze-Jian, Wei, Mei-Cai (2025): A new species of Platycampus (Hymenoptera, Tenthredinidae) from China, with an identification key to the world species. Journal of Hymenoptera Research 98: 897-914, DOI: 10.3897/jhr.98.167841
9D996E8E95CB54928E0152BD7CDE5519.taxon	distribution	Distribution. China: Zhejiang.	en	Liu, Meng-Meng, Li, Ze-Jian, Wei, Mei-Cai (2025): A new species of Platycampus (Hymenoptera, Tenthredinidae) from China, with an identification key to the world species. Journal of Hymenoptera Research 98: 897-914, DOI: 10.3897/jhr.98.167841
0F6102E56E5C5E8491BD60D3D92CD83C.taxon	description	Figs 1, 2, 3	en	Liu, Meng-Meng, Li, Ze-Jian, Wei, Mei-Cai (2025): A new species of Platycampus (Hymenoptera, Tenthredinidae) from China, with an identification key to the world species. Journal of Hymenoptera Research 98: 897-914, DOI: 10.3897/jhr.98.167841
0F6102E56E5C5E8491BD60D3D92CD83C.taxon	diagnosis	Diagnosis. Body black; legs yellowish-white to reddish-brown; tegula reddish-brown (Fig. 1); anterior margin of clypeus incised to 0.25 × length of clypeus, lateral corners rounded; malar space 1.5 × as long as diameter of median ocellus (Fig. 2 B); middle fovea subcircular and slightly shallow, with a fine longitudinal groove at bottom extending to the frons; frontal area with a median longitudinal groove (Fig. 2 A); relative length of antennomere 3: antennomere 4: antennomere 5 = 1: 1.1: 1 (Fig. 2 C); median mesoscutal groove of mesonotum shallow and thin, extending to the apex (Fig. 2 D); lower part of mesepisternum with glabrous area (Fig. 2 E); protarsomere 1 0.8 × as long as combined length of tarsomeres 2 – 4; hind tibia 1.2 × as long as hind tarsus; tarsal claw with inner tooth slightly shorter than outer tooth; valvula 3 about as long as valvifer 2 (Fig. 2 F); lancet with 15 serrulae; annular suture 1 straight, sutures 1 – 9 with setae bands, longest setal band about 0.2 times as long as the length of annulus (Fig. 3 A, B); tangium narrow and 4.1 × as long as annulus 1, radix 0.5 × as long as lamnium, the basal angle slightly acute (Fig. 3 C); harpes inner surface swollen over basal third, apical width 0.3 × basal width (Fig. 3 D); penis valve with narrow lobiform process slightly shorter than broad lobiform process, both processes dorsally inclined; broad lobiform process gradually narrowing from midlength toward apex, lateral margins converging at 145 °; basal interval between processes 0.5 × basal width of narrow lobiform process (Fig. 3 E).	en	Liu, Meng-Meng, Li, Ze-Jian, Wei, Mei-Cai (2025): A new species of Platycampus (Hymenoptera, Tenthredinidae) from China, with an identification key to the world species. Journal of Hymenoptera Research 98: 897-914, DOI: 10.3897/jhr.98.167841
0F6102E56E5C5E8491BD60D3D92CD83C.taxon	description	Description. Holotype, female. Body length approximately 6.5 mm (Fig. 1 A, B). Color. Body black. All legs yellowish-white to reddish-brown except for a small black area at the base of all coxae; labrum dusky brown; maxillary palps yellowish-brown; tegula reddish-brown; cenchrus pale white. Wings hyaline, basal part of vein C in the forewing yellowish-brown; stigma and veins brown to blackish-brown (Fig. 1 A, B). Head. Labrum nearly flat, apex rounded; clypeus broad, distinctly narrower than the distance at the lower margins of eyes; anterior margin of clypeus incised to 0.25 × length of clypeus, lateral corners rounded; labrum shiny, punctures faint and sparse, microsculpture indistinct; clypeus shiny, punctures fine, apically very sparse and basally slightly denser, microsculpture indistinct. Malar space 1.4 × as long as diameter of median ocellus. Inner margins of eyes subparallel in frontal view, distance between eyes 1.9 × as long as height of eyes (Fig. 2 B). In dorsal view, inner margins of eyes subparallel, the length of temple 0.3 × as long as length of eyes; middle fovea subcircular and slightly shallow, with a fine longitudinal groove at bottom extending to the frons. Frontal area slightly convex, with a median longitudinal groove, shiny, punctures small and slightly sparse, wrinkles distinct; anterior wall elevated, notched medially, lateral walls low and blunt. Interocellar furrow very broad and shallow, postocellar furrow narrow and shallow; circumocellar furrow indistinct; POL: OOL: OCL = 1.2: 1.2: 1.0 (Fig. 2 A). Vertex and postocellar area strongly shiny, punctures small and sparse, without microsculpture; postocellar area convex, middle furrow indistinct, approx. 2.4 × as wide as long, lateral postocellar furrows narrow and deep, divergent backward distinctly (Fig. 2 A). Antenna filamentous, slightly shorter than thorax and abdomen together, antennomere 3 slightly compressed; relative length of antennomere 3: antennomere 4: antennomere 5 = 1: 1.1: 1 (Fig. 2 C). Thorax. Mesonotum shiny, punctures small and slightly dense, microsculpture indistinct; median mesoscutal groove shallow and thin, extending to the apex; mesoscutellum and mesoscutellar appendage smooth and shiny, with some faint punctures, without microsculpture, mesoscutellum flat, middle ridge indistinct, the length 1.1 × as long as wide; mesoscutellar appendage about 0.3 × length of scutellum, without middle ridge (Fig. 2 D). Distance between cenchri about 0.9 × as long as breadth of a cenchrus (Fig. 2 D). Mesepisternum shiny, with fine and slightly dense punctures, without microsculpture, lower part with glabrous area; mesepimeron smooth and shiny, punctures indistinct, posterior part with microsculpture; metapleuron smooth and shiny, posterior part of metepisternum with some fine punctures, posterior part of metepimeron with microsculpture (Fig. 2 E). Subbase of vein M in the forewings curved, significantly longer than vein R + M, cross-vein cu-a joining cell 1 M at basal 0.5, cell 2 Rs 2.2 × as long as cell 1 R 1, vein Rs vestigial; petiole of anal cell of hindwing 1.7 × as long as cu-a, and cu-a straight. Abdomen. All abdominal terga shiny, with small and sparse punctures, microsculpture fine and dense, with some wrinkles. Ovipositor sheath shiny, with small and sparse punctures, microsculpture faint; sheath 1.6 × as long as metatarsomere 1 and 1.1 × as long as front tibia, valvula 3 about as long as valvifer 2; in lateral view, posterior margin of valvula 3 slightly rounded (Fig. 2 F); in dorsal view, valvula 3 tapering toward the apex; cercus slightly tapering apically, longer than valvula 3, 6 × as long as wide. Sawsheath setae moderately curved, angle between most lateral setae of valvula 3 about 60 ° (Fig. 2 G). Lancet with 15 serrulae, proximal denticles indistinct, each middle serrula with 3 – 4 distal denticles, cypsellae with arcuate emargination (Fig. 3 A, B); annular suture 1 straight, sutures 1 – 9 with setae bands, longest setal band about 0.2 times as long as the length of annulus; tangium narrow and 4.1 × as long as annulus 1, radix 0.5 × as long as lamnium, the basal angle slightly acute, dorsal margin nearly flat (Fig. 3 A, C). Legs. Protarsomere 1 0.8 × as long as combined length of tarsomeres 2 – 4; hind tibia 1.2 × as long as hind tarsus, inner apical spur of hind tibia 0.5 × as long as metatarsomere 1, metatarsomere 1 0.8 × as long as combined length of metatarsomeres 2 – 5; tarsal claw with inner tooth slightly shorter than outer tooth. Male. Body length approximately 5.5 mm. Body color and structure similar to the female except for following characters (Fig. 1 C, D): posterior margin of pronotum yellowish-brown; antennal flagellum ventrally dark brown, flagellomere 3 distinctly laterally compressed and flagellomeres 4 – 5 slightly compressed; cercus short, 2.5 × as long as wide; the 8 tergum without procidentia (Fig. 2 H); gonoforceps as shown in Fig. 3 D, harpes inner surface swollen over basal third, apical width 0.3 × basal width; penis valve with narrow lobiform process slightly shorter than broad lobiform process, both processes dorsally inclined; broad lobiform process gradually narrowing from midlength toward apex, lateral margins converging at 145 °; basal interval between processes 0.5 × basal width of narrow lobiform process (Fig. 3 E).	en	Liu, Meng-Meng, Li, Ze-Jian, Wei, Mei-Cai (2025): A new species of Platycampus (Hymenoptera, Tenthredinidae) from China, with an identification key to the world species. Journal of Hymenoptera Research 98: 897-914, DOI: 10.3897/jhr.98.167841
0F6102E56E5C5E8491BD60D3D92CD83C.taxon	etymology	Etymology. The specific epithet “ rufitegularis ” is derived from the reddish-brown coloration of the tegulae.	en	Liu, Meng-Meng, Li, Ze-Jian, Wei, Mei-Cai (2025): A new species of Platycampus (Hymenoptera, Tenthredinidae) from China, with an identification key to the world species. Journal of Hymenoptera Research 98: 897-914, DOI: 10.3897/jhr.98.167841
0F6102E56E5C5E8491BD60D3D92CD83C.taxon	distribution	Distribution. China: Zhejiang.	en	Liu, Meng-Meng, Li, Ze-Jian, Wei, Mei-Cai (2025): A new species of Platycampus (Hymenoptera, Tenthredinidae) from China, with an identification key to the world species. Journal of Hymenoptera Research 98: 897-914, DOI: 10.3897/jhr.98.167841
31795F97E67B5332877D96AD2F560A05.taxon	type_taxon	Type species. Platycampus luridiventris (Fallén, 1808).	en	Liu, Meng-Meng, Li, Ze-Jian, Wei, Mei-Cai (2025): A new species of Platycampus (Hymenoptera, Tenthredinidae) from China, with an identification key to the world species. Journal of Hymenoptera Research 98: 897-914, DOI: 10.3897/jhr.98.167841
31795F97E67B5332877D96AD2F560A05.taxon	diagnosis	Diagnosis. Body medium-sized, slightly narrow; clypeus elongate, significantly narrower than the distance at the lower eyes margin, apical emargination distinct; left mandible tapering apically; triangular in lateral view; malar space longer than diameter of median ocellus; distance between eyes significantly longer than the length of eyes; area between antennal sockets distinctly protruding forward; inner orbits not depressed; occiput non-elongated, laterally constricted, without occipital carina; postocellar area extremely short and broad; antennae slender, shorter than the combined length of the forewing costa and stigma; the width of antennomere 2 not less than its length; antennomere 3 not longer than antennomere 4; mesoscutellum flat, length subequal to width, mesoscutellar appendage without middle ridge; vein C of the forewing gradually dilated apically; vein 2 r absent; veins 1 m-cu and 2 m-cu strongly convergent toward stigma, with 2 m-cu meeting 1 Rs cell at subapical position; veins 2 A + 3 A curved upward, merging with vein 1 A, anal cell closed; cells R 1, Rs, M, and anal cell of the hindwing closed; petiole of anal cell of hindwing longer than cu-a; inner apical spur of hind tibia slightly longer than outer spur and longer than apical width of hind tibia; claws with large inner tooth; sawsheath elongate, tapering gradually from base to apex in dorsal view; cerci slender; penis valve with dorsal and ventral valvulae, apical spines protruding forward. Larval body flattened, with the thorax and abdomen laterally expanded (Smith 1976; Wong 1977; Togashi 1991; Wei 2024).	en	Liu, Meng-Meng, Li, Ze-Jian, Wei, Mei-Cai (2025): A new species of Platycampus (Hymenoptera, Tenthredinidae) from China, with an identification key to the world species. Journal of Hymenoptera Research 98: 897-914, DOI: 10.3897/jhr.98.167841
0DA06F156F6B52BC89AAECE66C5A7E6C.taxon	description	Fig. 5	en	Liu, Meng-Meng, Li, Ze-Jian, Wei, Mei-Cai (2025): A new species of Platycampus (Hymenoptera, Tenthredinidae) from China, with an identification key to the world species. Journal of Hymenoptera Research 98: 897-914, DOI: 10.3897/jhr.98.167841
0DA06F156F6B52BC89AAECE66C5A7E6C.taxon	diagnosis	Diagnosis. Body length 8.0 mm; legs pale yellow; valvula 3 with black macula, stigma and wing veins yellowish-brown (Fig. 5 A, B); clypeal emargination arcuate, anterior margin incised to 0.4 × length of clypeus; malar space 1.7 × as long as diameter of median ocellus; inner margins of eyes subparallel in frontal view (Fig. 5 D); middle fovea elliptical, small and shallow; frontal area not elevated, anterior wall indistinctly notched medially; POL: OOL: OCL = 1: 1.4: 1.2; postocellar area convex, middle furrow indistinct, approx. 1.7 × as wide as long (Fig. 5 C); relative length of antennomere 3: antennomere 4: antennomere 5 = 1.2: 1.2: 1 (Fig. 5 E); median mesoscutal groove shallow and thin, extending to the apex; distance between cenchri about as long as breadth of a cenchrus (Fig. 5 F); lower part of mesepisternum with glabrous area; posterior margin of metepimeron nearly truncate (Fig. 5 G); valvula 3 1.3 × as long as valvifer 2; in lateral view, sheath slightly curved, posterior margin of valvula 3 slightly rounded (Fig. 5 H); in dorsal view, valvula 3 tapering toward the apex; cercus slightly tapering apically, nearly flush with the apex of valvula 3, 7 × as long as wide (Fig. 5 I); lancet with 17 serrulae, each middle serrula with 1 proximal denticles and 3 – 6 distal denticles, denticles robust, cypsellae convex; annular suture 1 oblique but straight, sutures 1 – 14 with setae bands, longest setal band about 0.5 times as long as the length of annulus; tangium short and 2.8 × as long as annulus 1, radix 0.5 × as long as lamnium, the basal angle rounded, dorsal margin flat (Fig. 5 J – M).	en	Liu, Meng-Meng, Li, Ze-Jian, Wei, Mei-Cai (2025): A new species of Platycampus (Hymenoptera, Tenthredinidae) from China, with an identification key to the world species. Journal of Hymenoptera Research 98: 897-914, DOI: 10.3897/jhr.98.167841
0DA06F156F6B52BC89AAECE66C5A7E6C.taxon	etymology	Etymology. The specific epithet “ xini ” is derived from the family name of the holotype collector.	en	Liu, Meng-Meng, Li, Ze-Jian, Wei, Mei-Cai (2025): A new species of Platycampus (Hymenoptera, Tenthredinidae) from China, with an identification key to the world species. Journal of Hymenoptera Research 98: 897-914, DOI: 10.3897/jhr.98.167841
0DA06F156F6B52BC89AAECE66C5A7E6C.taxon	distribution	Distribution. China: Gansu.	en	Liu, Meng-Meng, Li, Ze-Jian, Wei, Mei-Cai (2025): A new species of Platycampus (Hymenoptera, Tenthredinidae) from China, with an identification key to the world species. Journal of Hymenoptera Research 98: 897-914, DOI: 10.3897/jhr.98.167841
