taxonID	type	description	language	source
4A25D8D078F2542E966BACFF116DB983.taxon	description	Fig. 21 A-C	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
4A25D8D078F2542E966BACFF116DB983.taxon	description	Measurements and indices. Worker (Fig. 21 A – C): HL 0.84, HLL 0.77, HLA 0.11, HW 0.80, ML 0.46, CML 0.09, CI 95, SL 0.73, SI 92, ED 0.11, PrL 0.48, PrH 0.42, PrW 0.58, WL 1.16, TL 3.8, PL 0.26, PH 0.59, DPW 0.42, LPI 229, PDPI 165.	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
4A25D8D078F2542E966BACFF116DB983.taxon	diagnosis	Diagnosis. The species can be separated from other Chinese members of the genus based on the combination of the following characters: smaller species, <4 mm in total body length; antenna scape short, slightly exceeds posterolateral corner; clypeal median lobe relatively short; frontal carina relatively short, reaching level posterior margin of eye; in lateral view, pronotum relatively flat; propodeum low, dorsum slightly raised, obviously shorter than declivity, transition between declivity and dorsum is rounded; body entirely black.	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
4A25D8D078F2542E966BACFF116DB983.taxon	description	Brief description. In full-face view, head longer than broad, roughly trapezoidal, posterolateral corners narrowly rounded. Mandible triangular with nine teeth. Antennae 12 - segmented, scape slightly exceeds posterolateral corner, flagellar segments gradually become thicker and rod-shaped towards the end. Eye medium in size and located in front of lateral margin of head. In lateral view, promesonotal suture depressed, metanotal groove deeply impressed. Propodeum convex, mesonotum prominently elevated. Propodeum low, dorsum slightly raised, obviously shorter than declivity, transition between declivity and dorsum is rounded. Petiolar node nearly trapezoidal; subpetiolar process wedge-shaped. In dorsal view, propodeum anterior part narrower than posterior part. Petiolar node crescent-shaped. Head densely punctate. Pronotum with densely punctured. Propodeum lateral margin shiny; dorsum of mesonotum and propodeum shiny. dorsal surface of body with sparsely erect or suberect hairs and densely sub-decumbent hairs. Body color black, mandible, flagellum, legs, and end of gaster yellowish brown.	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
1022AC357510502A97C3DB98EC71081C.taxon	description	Fig. 22 A-C	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
1022AC357510502A97C3DB98EC71081C.taxon	description	Measurements and indices. Holotype: HL 1.07, HLL 0.97, HLA 0.12, HW 0.99, ML 0.52, CML 0.11, CI 93, SL 1.00, SI 101, ED 0.17, PrL 0.64, PrH 0.53, PrW 0.71, WL 1.63, TL 5.2, PL 0.43, PH 0.75, DPW 0.53, LPI 174, PDPI 123. Paratypes (n = 5): HL 1.04 – 1.11, HLL 0.92 – 0.97, HLA 0.11 – 0.19, HW 0.94 – 1.00, ML 0.50 – 0.58, CML 0.10 – 0.12, CI 88 – 95, SL 0.99 – 1.09, SI 101 – 114, ED 0.15 – 0.17, PrL 0.62 – 0.67, PrH 0.51 – 0.57, PrW 0.73 – 0.79, WL 1.62 – 1.70, TL 5.0 – 5.3, PL 0.44 – 0.47, PH 0.75 – 0.79, DPW 0.51 – 0.58, LPI 160 – 173, PDPI 113 – 126.	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
1022AC357510502A97C3DB98EC71081C.taxon	diagnosis	Diagnosis. The new species is similar to B. pilidorsalis (Yamane, 2007). However, it can be separated by relatively short scape that exceeds the posterolateral corner by 1 / 10 of its length (in B. pilidorsalis scape is longer, exceeding posterolateral corner with more than ¼ of its length); slightly shorter distance between anterior clypeal margin to anterior margin of torulus, CML 0.11 (relatively long in B. pilidorsalis, CML 0.15), dorsal length of propodeum longer than declivity, mesopleuron usually without a groove, dorsum of mesosoma with slightly short erect hairs (dorsal length of propodeum slightly longer than declivity, mesopleuron often with a transverse groove, dorsum of mesosoma with slightly long standing hairs in B. pilidorsalis).	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
1022AC357510502A97C3DB98EC71081C.taxon	description	Description. In full-face view, head longer than broad, roughly rectangular, posterior margin weakly concave, posterolateral corners narrowly rounded, lateral margins moderately convex. Mandible triangular with eight teeth, apical tooth largest, and with a basal mandibular pit. Clypeus transverse, center of anterior margin moderately concave. Frontal carina short, frontal lobes well developed, covering antennal socket, frontal region with central longitudinal ridge. Antennae 12 - segmented, scape 1 / 10 exceeds posterolateral corner, flagellum gradually increases in size toward the end. Eye medium and maximum diameter consists of eleven ommatidia (ED 0.17 mm). In lateral view, pronotum and mesonotum significantly higher than propodeum. Promesonotal suture seams evident, metanotal groove deeply impressed. Mesonotum moderately convex. Dorsal surface of propodeum nearly straight, with a length ~ 1.3 × that of declivity, slope of declivity steep, nearly straight. Posterodorsal corner of propodeum broadly rounded. Propodeal spiracle rounded, with a groove between spiracle and metanotal groove. Metapleural bulla not visible. Petiolar node as high as propodeum, upright, thick (PDPI 123), nearly trapezoidal; anterior margin and dorsum moderately convex, posterior margin nearly straight; subpetiolar process forms a wedge. Prora absent. Gaster subconical, basal two intersegments contracted, apex with sting. In dorsal view, pronotum widest in mesosoma, humeral corners bluntly rounded; lateral margins moderately convex. Anterior margin of mesonotum convex, posterior margin slightly straight. Propodeum nearly rectangular, gradually narrowing from bottom to the top, forming a ridge. Petiolar node trapezoidal, front narrow and gradually widening backwards; anterior margin flat, posterior margin moderately convex. Dorsal surface of body with densely hairy punctation. Mesopleuron, metapleural and lower part of lateral side of petiolar node smooth and shiny. Dorsal surface of body with sparsely erect or suberect hairs and densely sub-decumbent hairs. Body color black, funiculus, mandible, and legs brownish black.	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
1022AC357510502A97C3DB98EC71081C.taxon	etymology	Etymology. The new species name refers to its smooth and shiny body, with only a relatively small number of punctures.	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
E64D60C70E965DD5882157A1A20D7FB0.taxon	description	Fig. 23 A-D	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
E64D60C70E965DD5882157A1A20D7FB0.taxon	description	Measurements and indices. Worker (Fig. 23 A – D): HL 1.26, HLL 1.15, HLA 0.14, HW 1.16, ML 0.69, CML 0.19, CI 92, SL 0.99, SI 86, ED 0.23, PrL 0.71, PrH 0.57, PrW 0.77, WL 1.67, TL 5.0, PL 0.40, PH 0.60, DPW 0.58, LPI 150, PDPI 145.	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
E64D60C70E965DD5882157A1A20D7FB0.taxon	diagnosis	Diagnosis. The species can be separated from other Chinese members of the genus based on the combination of the following characters: mandible base rough with fine puncta, tip smooth; antennae 12 - segmented, scape slightly exceeds posterolateral corner; eye medium in size and located in front of lateral margin of head; in lateral view, propodeum densely transversely rugose; smooth area if any much restricted; dorsal of propodeum straight, declivity convex, the length is nearly equal.	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
E64D60C70E965DD5882157A1A20D7FB0.taxon	description	Brief description. In full-face view, head longer than broad, roughly trapezoidal, posterolateral corners narrowly rounded. Mandible triangular with nine teeth. Antennae 12 - segmented, scape slightly exceeds posterolateral corner, flagellar segments gradually become thicker and rod-shaped towards the end. Eye medium in size and located in front of lateral margin of head. In lateral view, metanotal groove deeply impressed. Dorsum of propodeum straight, declivity convex, the length is nearly equal. Petiolar node nearly trapezoidal; subpetiolar process wedge-shaped. In dorsal view, pronotum anterior and lateral margins broad and round, posterior margin concave. Petiolar node crescent-shaped. Mandible base rough with fine puncta, tip smooth. Head and body densely and finely punctate; pronotum, petiolar node and gaster with fine, shiny puncta. Side plates of mesosoma smooth and shiny. Propodeum rough with dense, coarse puncta. Body black; mandible, antennae flagellum, legs, and end of gaster yellow brown.	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
DD5B538895DE566EB9275F24111D65F5.taxon	description	Fig. 24 A-D	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
DD5B538895DE566EB9275F24111D65F5.taxon	description	Measurements and indices. worker (Fig. 24 A – D): HL 0.78, HLL 0.70, HLA 0.10, HW 0.71, ML 0.40, CML 0.08, CI 91, SL 0.65, SI 92, ED 0.11, PrL 0.45, PrH 0.32, PrW 0.50, WL 1.04, TL 3.0, PL 0.21, PH 0.44, DPW 0.39, LPI 211, PDPI 186.	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
DD5B538895DE566EB9275F24111D65F5.taxon	diagnosis	Diagnosis. The species can be separated from other Chinese members of the genus based on the combination of the following characters: smaller species, <4.5 mm in total body length; head width <0.9 mm; flagellar segments 1 and 2 each as long as broad, or broader than long; dorsum of propodeum convex, declivity convex, the length is nearly equal; in lateral view, propodeum smooth or only punctate; in dorsal view, gastral tergite 1 with sparsely sub-decumbent hairs or fewer standing hairs.	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
DD5B538895DE566EB9275F24111D65F5.taxon	description	Brief description. Head longer than wide, with broad rounded depression at posterior margin. Mandible triangular with nine teeth. Antennae 12 - segmented, scape exceeds posterolateral corner, flagellar segments 1 and 2 as long as broad, or broader than long. Dorsum of propodeum convex, declivity convex, the length is nearly equal Mandible smooth, finely punctate. Head and body densely and finely punctate; pronotum and mesonotum puncta are rough; side plates of mesosoma smooth and shiny; Petiolar node and gaster finely punctate. Dorsal surface of head and body sparsely erected with abundant sub-decumbent hairs; scape and hind tibiae are densely covered in sub-decumbent hairs, lacking erected hairs. Body black; mandible, antennae flagellum, tibiae, tarsus, and end of gaster reddish brown.	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
401EC2C642145903A6659E2277EE722B.taxon	description	Fig. 25 A – C	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
401EC2C642145903A6659E2277EE722B.taxon	description	Measurements and indices. Holotype: HL 1.09, HLL 0.98, HLA 0.18, HW 1.00, ML 0.61, CML 0.13, CI 92, SL 1.04, SI 104, ED 0.07, PrL 0.65, PrH 0.57, PrW 0.72, WL 1.58, TL 5.0, PL 0.40, PH 0.75, DPW 0.50, LPI 188, PDPI 125. Paratype (n = 5): HL 0.99 – 1.08, HLL 0.90 – 0.95, HLA 0.12 – 0.15, HW 0.90 – 0.98, ML 0.62 – 0.69, CML 0.10 – 0.14, CI 90 – 96, SL 0.98 – 1.1, SI 99 – 112, ED 0.06 – 0.07, PrL 0.62 – 0.68, PrH 0.50 – 0.57, PrW 0.74 – 0.79, WL 1.51 – 1.59, TL 4.9 – 5.3, PL 0.41 – 0.48, PH 0.71 – 0.76, DPW 0.45 – 0.48, LPI 148 – 185, PDPI 96 – 117.	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
401EC2C642145903A6659E2277EE722B.taxon	diagnosis	Diagnosis. The new species is similar to Brachyponera luteipes (Mayr, 1862), but it differs in scape segments 3 – 7 longer than wide, small eye with maximum diameter consisting of five ommatidia (ED 0.07 mm), and inconspicuous or absent groove between spiracle and metanotal groove. In B. luteipes, scape segments 3 – 7 are subsquare, eye is moderately big with maximum diameter consisting of nine ommatidia (ED 0.13 mm), and groove between spiracle and metanotal groove is conspicuous.	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
401EC2C642145903A6659E2277EE722B.taxon	description	Description. In full-face view, head longer than broad, roughly trapezoidal, posterior margin weakly concave, posterolateral corners narrowly rounded, lateral margins moderately convex. Mandible triangular with nine teeth, end tooth largest, and with a basal mandibular pit. Clypeus transverse, center of anterior margin moderately concave. Frontal carina short, frontal lobes well developed, covering antennal socket, frontal region with central longitudinal ridge. Antennae 12 - segmented, scape exceeds posterolateral corner of head by 1 / 5 of its length, flagellar segments gradually increase in size toward the end. Eye small, and maximum diameter consists of five ommatidia (ED 0.07 mm). In lateral view, anterior margin of pronotum forms a cervical shield extending forward. Pronotum and mesonotum significantly higher than propodeum. Promesonotal suture seams evident, metanotal groove deeply impressed. Mesonotum moderately convex. Dorsal surface of propodeum weakly convex, slightly longer than declivity, slope of declivity steep, nearly convex; posterodorsal corner of propodeum broadly rounded. Propodeal spiracle rounded, groove between spiracle and metanotal groove inconspicuous or absent. Metapleural bulla small, elliptical. Petiolar node as high as propodeum, upright, nearly trapezoidal; anterior margin and dorsum moderately convex, posterior margin nearly straight; subpetiolar process wedge. Prora absent. Gaster subconical, basal two intersegments contracted, apex with sting. In dorsal view, pronotum widest in mesosoma, humeral corners bluntly rounded; lateral margins moderately convex. Mesonotum elliptical. Propodeum nearly rectangular, gradually narrowing from bottom to the top, forming a ridge. Petiolar node trapezoidal, front narrow and gradually widening backwards; anterior margin flat, posterior margin moderately convex. Mandible with a row of hairy pits. Dorsal surface of body with densely hairy punctation. Mesopleuron and metapleural with longitudinally rugose. dorsal surface of body with sparsely erect or suberect hairs and densely sub-decumbent hairs. Body color brownish black, funiculus, mandible and legs yellowish brown.	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
401EC2C642145903A6659E2277EE722B.taxon	etymology	Etymology. The specific name refers to the relatively minute size of the compound eye that characterizes workers of this species.	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
FFAB915CDCFA5C3CB9AF512AEC33845F.taxon	description	Fig. 26 A – D	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
FFAB915CDCFA5C3CB9AF512AEC33845F.taxon	description	Measurements and indices. Worker (Fig. 26 A – D): HL 1.23, HLL 1.13, HLA 0.15, HW 1.17, ML 0.72, CML 0.19, CI 95, SL 1.24, SI 106, ED 0.24, PrL 0.83, PrH 0.71, PrW 0.83, WL 2.00, TL 6.0, PL 0.48, PH 0.88, DPW 0.63, LPI 182, PDPI 131.	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
FFAB915CDCFA5C3CB9AF512AEC33845F.taxon	diagnosis	Diagnosis. The species can be separated from other Chinese members of the genus based on the combination of the following characters: larger species,> 4.5 mm in total body length; head width> 0.9 mm; flagellar segments 1 and 2 longer than broad; posterior face of propodeum medially and petiole entirely smooth or very weakly punctate; gastral tergite 1 with fewer standing hairs, the number, excluding those on posterior margin of tergite, being usually <10; body color usually dark brown.	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
FFAB915CDCFA5C3CB9AF512AEC33845F.taxon	description	Brief description. In full-face view, head longer than broad, roughly trapezoidal. Mandible triangular with nine teeth. Frontal carina short, frontal lobes well developed, covering antennal socket. Antennae 12 - segmented, scape exceeds posterolateral corner, flagellar segments gradually increase in size toward the end. Eye medium in size and located in front of lateral margin of head. In lateral view, metanotal groove deeply impressed. Dorsal of propodeum nearly straight, longer than declivity; posterodorsal corner of propodeum broadly rounded. Petiolar node as high as propodeum, upright, nearly trapezoidal; subpetiolar process forms a wedge. In dorsal view, pronotum anterior and lateral margins broad and round, posterior margin concave. Petiolar node crescent-shaped. Mandible densely punctate; head densely punctate; mesosoma smooth, pronotum finely punctate, and propodeum finely rugose; petiolar node and posteroventral area densely finely punctate. Body dorsally with abundant standing hairs and densely sub-decumbent hairs. Body black, appendages yellowish brown.	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
684F95A154775ACB9234E5C9ED028D03.taxon	description	Fig. 27 A – D	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
684F95A154775ACB9234E5C9ED028D03.taxon	description	Measurements and indices. Worker (Fig. 26 A – D): HL 0.86, HLL 0.79, HLA 0.10, HW 0.80, ML 0.50, CML 0.14, CI 93, SL 0.80, SI 99, ED 0.16, PrL 0.62, PrH 0.52, PrW 0.56, WL 1.37, TL 4.1, PL 0.30, PH 0.48, DPW 0.48, LPI 159, PDPI 158.	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
684F95A154775ACB9234E5C9ED028D03.taxon	diagnosis	Diagnosis. The species can be separated from other Chinese members of the genus based on the combination of the following characters: smaller species, <4.5 mm in total body length; head width <0.9 mm; flagellar segments 1 and 2 each as long as broad, or broader than long; dorsum of propodeum nearly straight, longer than declivity, posterodorsal corner of propodeum broadly rounded; upper part of propodeum with densely sub-decumbent hairs; in dorsal view, petiolar node flat oval; body color usually yellowish brown to tan.	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
684F95A154775ACB9234E5C9ED028D03.taxon	description	Brief description. In full-face view, head longer than broad, roughly trapezoidal, posterolateral corners of head narrowly rounded. Mandible triangular with nine teeth. Antennae 12 - segmented, scape exceeds posterolateral corner, flagellar segments gradually increase in size toward the end. Eye medium in size and located in front of lateral margin of head. In lateral view, metanotal groove deeply impressed. Dorsum of propodeum nearly straight, longer than declivity; posterodorsal corner of propodeum broadly rounded. Petiolar node as high as propodeum, upright, nearly trapezoidal; subpetiolar process forms a wedge. In dorsal view, pronotum anterior and lateral margins broad and round, posterior margin concave. Petiolar node flat oval. Mandible densely punctate; head densely punctate; mesosoma, petiole and gaster finely punctate. Dorsum of body with abundant standing hairs and densely sub-decumbent hairs; upper part of propodeum with densely sub-decumbent hairs; body color dark brown, mandible, flagellar segments, and legs deep yellowish brown.	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
2790AA071E535B55BAC2BF382B7DB3FF.taxon	description	Fig. 28 A – C	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
2790AA071E535B55BAC2BF382B7DB3FF.taxon	description	Measurements and indices. Holotype: (Fig. 28 A – C): HL 1.01, HLL 0.93, HLA 0.15, HW 0.91, ML 0.55, CML 0.13, CI 90, SL 0.98, SI 107, ED 0.13, PrL 0.65, PrH 0.54, PrW 0.67, WL 1.51, TL 5.1, PL 0.36, PH 0.68, DPW 0.42, LPI 188, PDPI 117. Paratypes (n = 4): HL 0.98 – 1.09, HLL 0.92 – 0.97, HLA 0.14 – 0.15, HW 0.90 – 0.95, ML 0.55 – 0.57, CML 0.12 – 0.13, CI 87 – 92, SL 0.95 – 0.98, SI 103 – 105, ED 0.13, PrL 0.60 – 0.66, PrH 0.54 – 0.55, PrW 0.61 – 0.67, WL 1.46 – 1.51, TL 5.0 – 5.4, PL 0.34 – 0.37, PH 0.66 – 0.68, DPW 0.42 – 0.43, LPI 184 – 194, PDPI 116 – 124.	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
2790AA071E535B55BAC2BF382B7DB3FF.taxon	diagnosis	Diagnosis. The new species is similar to Brachyponera arcuata (Karavaiev, 1925), but it differs in lateral margins of head from mandible base to anterior edge of eye nearly straight (Fig. 12 C), propodeal declivity smooth at the margin (Fig. 12 D), body color black to brownish black. In B. arcuata, lateral margins of head between mandible base and anterior edge of eye are strongly convex (Fig. 12 A), propodeal declivity is rugose at margin (Fig. 12 B), and body color is brownish yellow.	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
2790AA071E535B55BAC2BF382B7DB3FF.taxon	description	Description. In full-face view, head longer than broad, roughly rectangular, posterior margin nearly straight, posterolateral corners narrowly rounded, lateral margins moderately convex. Mandible triangular with nine teeth, end tooth largest, and with a basal mandibular pit. Clypeus transverse, center of anterior margin weakly concave. Frontal carina short, frontal lobes well developed, covering antennal socket, frontal region with central longitudinal ridge. Antennae 12 - segmented, scape exceeds posterolateral corner of head by 1 / 5 of its length, flagellar segments gradually increase in size toward the end. Eye medium to small and maximum diameter consists of eight ommatidia (ED 0.13 mm). In lateral view, anterior margin of pronotum forms a cervical shield extending forward. Pronotum and mesonotum significantly higher than propodeum. Promesonotal suture seams evident, metanotal groove deeply impressed. Dorsal surface of propodeum continuously connected with declivity, forming a complete circular arc. Propodeal spiracle rounded, groove between spiracle and metanotal groove inconspicuous or absent. Metapleural bulla small, roughly elliptical. Petiolar node as high as propodeum, upright, nearly trapezoidal; anterior and posterior margin nearly straight, dorsum moderately convex; subpetiolar process triangular. Prora absent. Gaster subconical, basal two intersegments contracted, apex with sting. In dorsal view, pronotum broadest, lateral margins moderately convex, humeral corners indistinct. Promesonotal suture and metanotal groove form an ellipse. propodeum rectangular, wide at the lower part and narrow at the upper part. Petiolar node broader than long, lateral and anterior margins convex, posterior margin flat. Head, pronotum, mesonotum, and gaster with largely densely punctate. Mesopleuron, propodeum, petiolar node and legs with hairy punctations. Clypeus, mandible, coxa, propodeum, petiolar node and gaster with sparse erect or suberect hairs, dorsal surface of body with densely sub-decumbent hairs. Body color black to brownish black, funiculus, mandible, and legs yellowish brown.	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
2790AA071E535B55BAC2BF382B7DB3FF.taxon	etymology	Etymology. The specific epithet paraarcuata is a compound word meaning “ similar to arcuata ”.	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
31C9FFA1FB5A5E7D80D8F03EFB3940D3.taxon	description	Fig. 29 A – C	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
31C9FFA1FB5A5E7D80D8F03EFB3940D3.taxon	description	Measurements and indices. Holotype: (Fig. 29 A – C): HL 0.97, HLL 0.92, HLA 0.13, HW 0.96, ML 0.54, CML 0.08, CI 99, SL 0.97, SI 101, ED 0.16, PrL 0.65, PrH 0.48, PrW 0.67, WL 1.56, TL 4.9, PL 0.38, PH 0.78, DPW 0.56, LPI 205, PDPI 147. Paratypes (n = 2): HL 0.96 – 1.05, HLL 0.91 – 0.94, HLA 0.12 – 0.15, HW 0.96 – 1.04, ML 0.53 – 0.55, CML 0.08, CI 99 – 100, SL 0.97 – 1.01, SI 97 – 101, ED 0.14 – 0.17, PrL 0.63 – 0.67, PrH 0.45 – 0.50, PrW 0.66 – 0.69, WL 1.54 – 1.58, TL 4.8 – 5.1, PL 0.38 – 0.39, PH 0.77 – 0.79, DPW 0.55 – 0.58, LPI 203 – 205, PDPI 145 – 148.	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
31C9FFA1FB5A5E7D80D8F03EFB3940D3.taxon	diagnosis	Diagnosis. The new species is similar to Brachyponera pilidorsalis (Yamane), but it differs in head and pronotum with densely deeply punctate surface with small pits, eye relatively small, pronotum has edges (Fig. 9 A), and dorsal surface of propodeum is longer. In B. pilidorsalis, head and pronotum are with sparsely lightly punctate sculpture with small pits, eye is relatively small, pronotum has weaker edges, and dorsal surface of propodeum is short.	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
31C9FFA1FB5A5E7D80D8F03EFB3940D3.taxon	description	Description. In full-face view, head nearly square, with length and width roughly equal, posterior margin nearly straight, lateral margins moderately convex, posterolateral corners narrowly rounded. Mandible triangular with nine teeth, end tooth largest, and with a basal mandibular pit. Clypeus transverse, center of anterior margin moderately concave. Frontal carina short, frontal lobes well developed, covering antennal socket, frontal region with central longitudinal ridge. Antennae 12 - segmented, scape exceeds posterolateral corner of head by 1 / 5 of its length, flagellar segments gradually increase in size toward the end. Eye medium and maximum diameter consists of nine ommatidia (ED 0.16 mm). In lateral view, lateral edge of pronotum has obvious edges. Pronotum and mesonotum significantly higher than propodeum. Promesonotal suture seams evident, metanotal groove deeply impressed. Mesonotum moderately convex. Dorsal surface of propodeum nearly straight, declivity steep slope, nearly straight, posterodorsal corner of propodeum broadly rounded. Propodeal spiracle rounded, there is a groove between spiracle and metanotal groove. Metapleural bulla small, roughly elliptical. Petiolar node as high as propodeum, upright, nearly trapezoidal; anterior margin nearly straight, posterior margin and dorsum moderately convex; subpetiolar process forms a wedge. Prora absent. Gaster subconical, basal two intersegments contracted, apex with sting. In dorsal view, lateral edge of pronotum has obvious edges; equal width between upper and lower parts; pronotum broadest, lateral margins gradually narrower posteriorly. Mesonotum anterior margin convex, posterior margin slightly concave. propodeum nearly rectangular, gradually narrowing from the bottom to the top, forming a ridge. Petiolar node broader than long, anterior margin moderately convex, lateral margins strongly convex, posterior margin flat. Mandible with sparsely punctate with small pits, head and pronotum with densely punctate with small pits. lateral face of pronotum, propodeum, petiolar node and gaster with hairy punctation. Mesopleuron, metapleural and lower part of lateral side of petiolar node smooth and shiny. dorsal surface of body with sparsely erect or suberect hairs and densely sub-decumbent hairs. Body color black, funiculus, mandible, and legs yellowish brown.	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
31C9FFA1FB5A5E7D80D8F03EFB3940D3.taxon	etymology	Etymology. The new species is named in honor of Professor Zhenghui Xu (Southwest Forestry University, China) for his outstanding contributions to the ant fauna of China.	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
04457C84E4AE596BAAEC0B97F47780F7.taxon	description	Fig. 30 A – D	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
04457C84E4AE596BAAEC0B97F47780F7.taxon	diagnosis	Diagnosis. This species is separated from Euponera sharpi Forel, 1901 by the angulate posterodorsal corner and much steeply sloped posterior margin of propodeum. Rather it resembles E. sakishimensis (Terayama, 1999) from the Ryukyus, Japan, and E. pilosior (Wheeler, 1928) from Japan and Korea. However, it is separated from the latter two by the narrow dorsal surface of propodeum and triangular subpetiolar process (Terayama 2009).	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
04457C84E4AE596BAAEC0B97F47780F7.taxon	description	Measurements and indices. Holotype: HL 1.18, HW 1.08, SL 0.80, WL 1.65, PL 0.40, PH 0.75, DPW 0.57, TL 4.7 CI 92, SI 74 (Terayama 2009).	en	Chen, Chao, Yu, Yu, Yi, Chuanhui (2025): Revision of the Chinese species of the genus Brachyponera Emery, 1900 (Hymenoptera, Formicidae), with a key to the world species of the genus. ZooKeys 1230: 247-286, DOI: 10.3897/zookeys.1230.140159
