taxonID	type	description	language	source
90CBF47360B058909A9192E056875D5B.taxon	description	Figs 2 A – N, 3 A – L	en	Fu, Xin-Ting, Shi, Li, Wang, Shi-Mingzhe (2026): Three new Cerodontha species from Inner Mongolia and Qinghai with a checklist of thirty-two Chinese species (Diptera, Agromyzidae). ZooKeys 1266: 55-101, DOI: 10.3897/zookeys.1266.177044
90CBF47360B058909A9192E056875D5B.taxon	diagnosis	Diagnosis. Frons with three ori inclinate and two ors reclinate surrounded by faint brown at base. Antenna with yellow scape and pedicel, first flagellomere mostly brown with anterodistal corner like a short spine. Mesonotum mostly black except for rectangular part yellow above notopleuron, postpronotum black on anterior half and yellow on posterior half; 1 + 2 dc. Legs mostly black except for fore coxae yellow at apex and all femora yellow on apical 5 / 6. Distiphallus gourd-shaped with enlarged apex and complete ventral opening.	en	Fu, Xin-Ting, Shi, Li, Wang, Shi-Mingzhe (2026): Three new Cerodontha species from Inner Mongolia and Qinghai with a checklist of thirty-two Chinese species (Diptera, Agromyzidae). ZooKeys 1266: 55-101, DOI: 10.3897/zookeys.1266.177044
90CBF47360B058909A9192E056875D5B.taxon	distribution	Distribution. Palaearctic: Albania, Andorra, Austria, Belgium, China (Qinghai) #, Croatia (Černý 2018), France, Germany, Hungary, Italy, Montenegro (Spasić 1996), Poland, Russia, Spain, Switzerland (Černý and Bächli 2018).	en	Fu, Xin-Ting, Shi, Li, Wang, Shi-Mingzhe (2026): Three new Cerodontha species from Inner Mongolia and Qinghai with a checklist of thirty-two Chinese species (Diptera, Agromyzidae). ZooKeys 1266: 55-101, DOI: 10.3897/zookeys.1266.177044
DBD838AC66E65BA6920355722A6A3F0F.taxon	description	Figs 4 A – M, 5 A – L	en	Fu, Xin-Ting, Shi, Li, Wang, Shi-Mingzhe (2026): Three new Cerodontha species from Inner Mongolia and Qinghai with a checklist of thirty-two Chinese species (Diptera, Agromyzidae). ZooKeys 1266: 55-101, DOI: 10.3897/zookeys.1266.177044
DBD838AC66E65BA6920355722A6A3F0F.taxon	diagnosis	Diagnosis. Male (Fig. 4 A – M). Body length 1.9 – 2.4 mm; wing length 1.9 – 2.5 mm. Female (Fig. 5 A – L). Body length 2.1 – 2.9 mm; wing length 2.2 – 2.8 mm. Fronto-orbital plate light brown or dark brown between two ors. Inner vertical setae surrounded by yellow coloration at base. First flagellomere brownish black, distinctly angulate at anterodistal corner; arista thickened on basal 1 / 5. Gena ~ 2 / 3 height of eye; genal grooves distinct on anterior 1 / 2 of gena. Mesonotum and scutellum shiny black, acr in two irregular rows (Fig. 4 D), supra-alar setae on dark brown background. Anepisternum black except for yellow dorsal and posterior margin. Katepisternum black. Legs yellow with tibiae and tarsi brown. Male genitalia (Fig. 4 G – M): distiphallus S-shaped with distal tubules parallel, ~ 2.5 × length of mesophallus; terminal processes short, pale brown. Female terminalia (Fig. 5 H – L): spermathecae circular and truncated at basal 1 / 4, internal duct invagination 1 / 4 as deep as height of spermathecae.	en	Fu, Xin-Ting, Shi, Li, Wang, Shi-Mingzhe (2026): Three new Cerodontha species from Inner Mongolia and Qinghai with a checklist of thirty-two Chinese species (Diptera, Agromyzidae). ZooKeys 1266: 55-101, DOI: 10.3897/zookeys.1266.177044
DBD838AC66E65BA6920355722A6A3F0F.taxon	distribution	Distribution. Palaearctic: Austria, Belgium, Bulgaria (Černý et al. 2022), China (Xinjiang, Qinghai *), Croatia, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Japan, Latvia, Lithuania, Montenegro (Spasić 1996), Netherlands, Norway, Poland, Portugal (Černý et al. 2018), Romania, Russia, Slovakia, Spain, Sweden, Tajikistan, The United Kingdom, Turkey, Ukraine, Uzbekistan (Soós and Papp 1984).	en	Fu, Xin-Ting, Shi, Li, Wang, Shi-Mingzhe (2026): Three new Cerodontha species from Inner Mongolia and Qinghai with a checklist of thirty-two Chinese species (Diptera, Agromyzidae). ZooKeys 1266: 55-101, DOI: 10.3897/zookeys.1266.177044
E03DA870A1225284B6B2F7F0093B9A6D.taxon	description	Figs 6 A – O, 7 A – K	en	Fu, Xin-Ting, Shi, Li, Wang, Shi-Mingzhe (2026): Three new Cerodontha species from Inner Mongolia and Qinghai with a checklist of thirty-two Chinese species (Diptera, Agromyzidae). ZooKeys 1266: 55-101, DOI: 10.3897/zookeys.1266.177044
E03DA870A1225284B6B2F7F0093B9A6D.taxon	diagnosis	Diagnosis. Frons mostly yellow with variable black stripes and spots at levels of between posterior ori and posterior ors. Lunule mostly yellow with brown upper margin, sometimes mostly brown with tiny yellow spots, wider than high. Mesonotum with gray pruinosity and a pair of prescutellar setae. Legs brown, all femora yellow on apical 1 / 6, all knees yellow, and all tibiae yellow on basal 1 / 7. Calypter and margin yellow, fringe yellowish white. Abdomen brown, tergites 1 – 6 yellowish on posterior and lateral margin. Distiphallus with subparallel S-shaped tubules.	en	Fu, Xin-Ting, Shi, Li, Wang, Shi-Mingzhe (2026): Three new Cerodontha species from Inner Mongolia and Qinghai with a checklist of thirty-two Chinese species (Diptera, Agromyzidae). ZooKeys 1266: 55-101, DOI: 10.3897/zookeys.1266.177044
E03DA870A1225284B6B2F7F0093B9A6D.taxon	description	Description. Male (Fig. 6 A – O). Body length 1.9 – 2.1 mm; wing length 2.1 – 2.5 mm. Female (Fig. 7 A – K). Body length 2.1 mm; wing length 2.3 mm. Head (Fig. 6 B – D) mostly yellow. Frons with grayish pruinosity, variable black stripes and spots at levels of between posterior ori and posterior ors, and frons projecting above eye in lateral view, ~ 0.9 × as wide as eye in dorsal view; fronto-orbital plate dark yellow and slightly shiny, becoming brown beyond posterior ors, and ~ 1 / 3 width of frons; two inclinate ori and two reclinate ors surrounded by brown coloration; orbital setulae sparse, reclinate in a single row. Ocellar triangle black, ocellar setae distinctly longer than posterior ors. Lunule mostly yellow with brown upper margin (Fig. 6 C), sometimes mostly brown with tiny yellow spots (Fig. 6 D), wider than high. Antenna brownish black, first flagellomere enlarged with brownish pubescence; arista conspicuously thickened on basal 1 / 4 – 1 / 3. Face brown, facial keel broad between antennae. Gena narrow, dark yellow, ~ 1 / 5 eye height. Clypeus pale yellow, palpus brown. Thorax (Fig. 6 E, F) black. Mesonotum with gray pruinosity and moderately shiny, but yellow at posterolateral corner of postpronotum; 1 + 3 dc, acr in six irregular rows, a pair of prescutellar setae, two postsutural intra-alar, one presutural and two strong postsutural supra-alar setae on dark brown background. Notopleuron brown except for pale yellow at posteroventral corner. Anepisternum dark brown except for yellow dorsal margin, with one strong anepisternal seta and 7 – 9 short setulae. Katepisternum black with one strong katepisternal seta and four short setulae. Legs brown, all femora yellow on apical 1 / 6, all knees yellow, all tibiae yellow on basal 1 / 7, and all tarsi yellowish brown. Wing: Costa with 2 nd (between R 1 and R 2 + 3), 3 rd (between R 2 + 3 and R 4 + 5), and 4 th (between R 4 + 5 and M 1) sections in proportion of 5: 1.6: 1; ultimate and penultimate sections of M 1 in proportion of 2.2: 1; r-m slightly beyond middle of discal cell; ultimate and penultimate sections of M 4 in proportion of 1.6 – 1.1: 1. Calypter and margin yellow, fringe yellowish white. Halter yellowish white. Abdomen (Fig. 6 A, H) brown, tergites 1 – 6 yellowish on posterior and lateral margin. Genitalia (Fig. 6 I – O): epandrium with a pair of long claviform processes in posterior view; surstylus with nine long spines in inner margin; mesophallus paler, dilated at apex, with ventral edge curved obviously; distiphallus with long subparallel S-shaped tubules, basal curve deep and not recurved apically; ejaculatory apodeme symmetrical, blade brownish, stem dark; sperm pump pale but base of duct lightly pigmented. Female (Fig. 7 A – K). Lunule narrower than that of the male. First flagellomere not as large as that of male (Fig. 7 B, C). Abdomen brown, tergites 1 – 7 yellowish on posterior and lateral margin. Other external characteristics same as the male except for the female terminalia. Terminalia (Fig. 7 G – K): spermathecae (Fig. 7 I) blackish brown, mushroom-shaped; spermathecal duct wide, weakly sclerotized with wavy lines; ventral receptacle symmetrical with wide stem; proctiger constricted medially in lateral view. Cercus well-sclerotized.	en	Fu, Xin-Ting, Shi, Li, Wang, Shi-Mingzhe (2026): Three new Cerodontha species from Inner Mongolia and Qinghai with a checklist of thirty-two Chinese species (Diptera, Agromyzidae). ZooKeys 1266: 55-101, DOI: 10.3897/zookeys.1266.177044
E03DA870A1225284B6B2F7F0093B9A6D.taxon	distribution	Distribution. China (Inner Mongolia).	en	Fu, Xin-Ting, Shi, Li, Wang, Shi-Mingzhe (2026): Three new Cerodontha species from Inner Mongolia and Qinghai with a checklist of thirty-two Chinese species (Diptera, Agromyzidae). ZooKeys 1266: 55-101, DOI: 10.3897/zookeys.1266.177044
E03DA870A1225284B6B2F7F0093B9A6D.taxon	etymology	Etymology. The specific name compounds the Latin prefix flavi - (meaning yellow) and the Latin noun lunulata (meaning lunule), referring to the mostly yellow lunule.	en	Fu, Xin-Ting, Shi, Li, Wang, Shi-Mingzhe (2026): Three new Cerodontha species from Inner Mongolia and Qinghai with a checklist of thirty-two Chinese species (Diptera, Agromyzidae). ZooKeys 1266: 55-101, DOI: 10.3897/zookeys.1266.177044
825533E2A678503FBB511CA8B2AA034E.taxon	description	Fig. 8 A – M	en	Fu, Xin-Ting, Shi, Li, Wang, Shi-Mingzhe (2026): Three new Cerodontha species from Inner Mongolia and Qinghai with a checklist of thirty-two Chinese species (Diptera, Agromyzidae). ZooKeys 1266: 55-101, DOI: 10.3897/zookeys.1266.177044
825533E2A678503FBB511CA8B2AA034E.taxon	diagnosis	Diagnosis. Fronto-orbital plate blackish brown, moderately shiny, ~ 1 / 3 width of frons; two inclinate ori and two reclinate ors. Lunule brown, twice as wide as high, projecting above frons in lateral view. Calypter and margin yellow, fringe brown. Epandrium broad with a long downward-curved spine on inner margin of dorsal 3 / 4; surstylus directed inwards, with ~ 25 short and thick spines; distiphallus short S-shaped in lateral view, and divided into one pair of unparallel tubules, approx. as long as mesophallus in ventral view.	en	Fu, Xin-Ting, Shi, Li, Wang, Shi-Mingzhe (2026): Three new Cerodontha species from Inner Mongolia and Qinghai with a checklist of thirty-two Chinese species (Diptera, Agromyzidae). ZooKeys 1266: 55-101, DOI: 10.3897/zookeys.1266.177044
825533E2A678503FBB511CA8B2AA034E.taxon	description	Description. Male (Fig. 8 A – M). Body length 2.0 – 2.3 mm; wing length 2.5 – 2.8 mm. Head (Fig. 8 B, E) blackish brown. Frons dark brown, projecting slightly above eye in lateral view, and ~ 1.7 × as wide as eye in dorsal view; fronto-orbital plate blackish brown, moderately shiny, ~ 1 / 3 width of frons; two inclinate ori and two reclinate ors; orbital setulae sparse and thin, reclinate in a single row. Ocellar triangle black; ocellar setae conspicuously weaker than ors. Lunule brown, twice as wide as high, projecting above frons in lateral view. Antennal first flagellomere enlarged with pale pubescence; arista conspicuously thickened on basal 1 / 4. Facial keel distinctly raised. Gena yellowish brown, ~ 1 / 2 height of eye, highest point located at middle of eye. Clypeus pale yellow; palpus black with three prominent setae at apex. Thorax (Fig. 8 C, D) black. Mesonotum and scutellum moderately shiny; 1 + 3 dc; acr in four irregular rows; two postsutural intra-alar, one presutural and two strong postsutural supra-alar setae. Anepisternum with one anepisternal seta, two long setulae and six short setulae. Katepisternum with one katepisternal seta and five short setulae. Legs black, only fore femora with yellow knees. Wing: Costa with 2 nd (between R 1 and R 2 + 3), 3 rd (between R 2 + 3 and R 4 + 5) and 4 th (between R 4 + 5 and M 1) sections in proportion of 4.7: 1.9: 1; ultimate and penultimate sections of M 1 in proportion of 2.2: 1; r-m slightly beyond middle of discal cell; ultimate and penultimate sections of M 4 in proportion of 1: 1. Calypter and margin yellow, fringe brown. Halter pale yellow. Abdomen (Fig. 8 G) dark brown, tergites 1 – 6 yellowish on posterior margin. Genitalia (Fig. 8 H – M): epandrium broad with a long downward-curved spine on inner margin of dorsal 3 / 4; surstylus with ~ 25 short and thick spines; mesophallus dark completely, broad on apical 1 / 3; mesophallus and distiphallus wrapped in a layer of pale membrane; distiphallus short S-shaped in lateral view, and divided into one pair of unparallel tubules, approx. as long as mesophallus in ventral view; ejaculatory apodeme with blade brown and stem wide; sperm pump yellowish white. Cercus with a long strong seta downward. Female. Unknown.	en	Fu, Xin-Ting, Shi, Li, Wang, Shi-Mingzhe (2026): Three new Cerodontha species from Inner Mongolia and Qinghai with a checklist of thirty-two Chinese species (Diptera, Agromyzidae). ZooKeys 1266: 55-101, DOI: 10.3897/zookeys.1266.177044
825533E2A678503FBB511CA8B2AA034E.taxon	distribution	Distribution. China (Qinghai).	en	Fu, Xin-Ting, Shi, Li, Wang, Shi-Mingzhe (2026): Three new Cerodontha species from Inner Mongolia and Qinghai with a checklist of thirty-two Chinese species (Diptera, Agromyzidae). ZooKeys 1266: 55-101, DOI: 10.3897/zookeys.1266.177044
825533E2A678503FBB511CA8B2AA034E.taxon	etymology	Etymology. The specific name of this new species compounds the Latin prefix grandi - (meaning large) and the Latin noun terga (meaning tergite), referring to the notably broad epandrium.	en	Fu, Xin-Ting, Shi, Li, Wang, Shi-Mingzhe (2026): Three new Cerodontha species from Inner Mongolia and Qinghai with a checklist of thirty-two Chinese species (Diptera, Agromyzidae). ZooKeys 1266: 55-101, DOI: 10.3897/zookeys.1266.177044
21ED4F9E56EE5C7ABCE47D07ABAD0AE4.taxon	description	Fig. 9 A – M	en	Fu, Xin-Ting, Shi, Li, Wang, Shi-Mingzhe (2026): Three new Cerodontha species from Inner Mongolia and Qinghai with a checklist of thirty-two Chinese species (Diptera, Agromyzidae). ZooKeys 1266: 55-101, DOI: 10.3897/zookeys.1266.177044
21ED4F9E56EE5C7ABCE47D07ABAD0AE4.taxon	diagnosis	Diagnosis. Frons and parafacial projecting above eye. Fronto-orbital plate brownish black, moderately shiny, inner margin yellow, ~ 2 / 3 width of frons; three ori and two ors. Lunule brown with distinctly shining, slightly sunken, broadly semicircular, approx. wider than high. Antennal arista conspicuously thickened on basal 1 / 2. Leg black, only fore femora with yellow knees. Wing with ultimate and penultimate sections of M 4 in proportion of 1.1: 1. Calypter and fringe yellow, margin brownish yellow. Surstylus directed inwards, with 5 thick spines on inner margin; distiphallus S-shaped, ~ 2.5 × length of mesophallus and yellowish brown at apex in lateral view.	en	Fu, Xin-Ting, Shi, Li, Wang, Shi-Mingzhe (2026): Three new Cerodontha species from Inner Mongolia and Qinghai with a checklist of thirty-two Chinese species (Diptera, Agromyzidae). ZooKeys 1266: 55-101, DOI: 10.3897/zookeys.1266.177044
21ED4F9E56EE5C7ABCE47D07ABAD0AE4.taxon	distribution	Distribution. Palaearctic: China (Qinghai) #, Kirgizia, Mongolia (Zlobin 1996), Russia, Tajikistan, Uzbekistan; Nearctic: USA, Canada.	en	Fu, Xin-Ting, Shi, Li, Wang, Shi-Mingzhe (2026): Three new Cerodontha species from Inner Mongolia and Qinghai with a checklist of thirty-two Chinese species (Diptera, Agromyzidae). ZooKeys 1266: 55-101, DOI: 10.3897/zookeys.1266.177044
F20C3A71A34E5A6095216550346409DC.taxon	description	Figs 10 A – L, 11 A – K	en	Fu, Xin-Ting, Shi, Li, Wang, Shi-Mingzhe (2026): Three new Cerodontha species from Inner Mongolia and Qinghai with a checklist of thirty-two Chinese species (Diptera, Agromyzidae). ZooKeys 1266: 55-101, DOI: 10.3897/zookeys.1266.177044
F20C3A71A34E5A6095216550346409DC.taxon	diagnosis	Diagnosis. Frons and parafacial strongly projecting above eye in lateral view. Fronto-orbital plate obviously shining and inner margin yellow, three (rarely 4 or 5) ori and two ors. Lunule broad, wider than high and distinctly projecting above frons in lateral view. Mesonotum moderately shiny, 1 + 3 or 2 + 3 dc, acr in four irregular rows. Legs black, fore femora with knees dark yellow. Wing with the ultimate and penultimate sections of M 4 in proportion of 1.2: 1. Calypter yellow, margin and fringe brownish. The mesophallus and distiphallus wrapped in a layer of membrane with dark dots; distiphallus S-shaped, 1.8 × length of mesophallus, pale brown at apex in lateral view.	en	Fu, Xin-Ting, Shi, Li, Wang, Shi-Mingzhe (2026): Three new Cerodontha species from Inner Mongolia and Qinghai with a checklist of thirty-two Chinese species (Diptera, Agromyzidae). ZooKeys 1266: 55-101, DOI: 10.3897/zookeys.1266.177044
F20C3A71A34E5A6095216550346409DC.taxon	description	Description. Male (Fig. 10 A – L). Body length 2.5 – 3.0 mm; wing length 2.4 – 2.7 mm. Female (Fig. 11 A – K). Body length 2.3 – 2.7 mm; wing length 2.3 – 2.8 mm. Head (Fig. 10 B, C) blackish brown. Frons and parafacial strongly projecting above eye in lateral view; frons ~ 1.7 × as wide as eye in dorsal view; fronto-orbital plate obviously shiny and inner margin yellow, ~ 2 / 5 width of frons; three (rarely 4 or 5) ori and two ors; orbital setulae sparse and long in one or two rows, reclinate or erect. Ocellar triangle wide, ocellar setae slightly weaker than ors. Lunule broad, wider than high and distinctly projecting above frons in lateral view. Antennal first flagellomere very broad with pale pubescence; arista distinctly thickened on basal 1 / 2. Facial keel wide and distinctly raised. Gena slightly yellow at middle, ~ 1 / 3 height of eye, highest point located at the rear. Clypeus yellowish; palpus black, with two prominent setae at apex. Thorax (Fig. 10 D, E) black. Mesonotum moderately shiny, 1 + 3 or 2 + 3 dc, acr in four irregular rows; one postsutural intra-alar, one presutural and two strong postsutural supra-alar setae. Notopleuron brown. Anepisternum with one anepisternal seta, seven long setulae and six short setulae. Katepisternum with one katepisternal seta and five long setulae. Legs black, fore femora with knees dark yellow. Wing: Costa with 2 nd (between R 1 and R 2 + 3), 3 rd (between R 2 + 3 and R 4 + 5) and 4 th (between R 4 + 5 and M 1) sections in proportion of 4.4: 1.3: 1; ultimate and penultimate sections of M 1 in proportion of 2.2: 1; r-m beyond middle of discal cell; ultimate and penultimate sections of M 4 in proportion of 1.2: 1. Calypter yellow, margin and fringe brownish. Halter yellow. Abdomen (Fig. 10 F) dark brown, tergites 1 – 6 with yellow posterior margin. Genitalia (Fig. 10 G – L): epandrium with a pair of distinctly long claviform processes; surstylus with six spines in posterior view (Fig. 10 K); mesophallus and distiphallus wrapped in a layer of membrane with dark dots; mesophallus cylindrical and swollen at distal 1 / 3, ~ 1.5 × length of hypophallus; distiphallus S-shaped, 1.8 × length of mesophallus, pale brown at apex in lateral view; ejaculatory apodeme broad, blade margin unclear and sperm pump pale but base of duct lightly pigmented. Female (Fig. 11 A – K). Lunule and facial keel narrower than that in male. First flagellomere not enlarged as the male (Fig. 11 B). Other external characteristics same as the male except for the female terminalia. Terminalia (Fig. 11 G – K): spermathecae circular and truncated at basal 1 / 5; ventral receptacle symmetrical, well-sclerotized at apex. Cercus with relatively long and sturdy setulae.	en	Fu, Xin-Ting, Shi, Li, Wang, Shi-Mingzhe (2026): Three new Cerodontha species from Inner Mongolia and Qinghai with a checklist of thirty-two Chinese species (Diptera, Agromyzidae). ZooKeys 1266: 55-101, DOI: 10.3897/zookeys.1266.177044
F20C3A71A34E5A6095216550346409DC.taxon	distribution	Distribution. China (Qinghai).	en	Fu, Xin-Ting, Shi, Li, Wang, Shi-Mingzhe (2026): Three new Cerodontha species from Inner Mongolia and Qinghai with a checklist of thirty-two Chinese species (Diptera, Agromyzidae). ZooKeys 1266: 55-101, DOI: 10.3897/zookeys.1266.177044
F20C3A71A34E5A6095216550346409DC.taxon	etymology	Etymology. The specific name of this new species comes from the Latin tumefacta, meaning intumescent, referring to the lunule projected prominently above the frons.	en	Fu, Xin-Ting, Shi, Li, Wang, Shi-Mingzhe (2026): Three new Cerodontha species from Inner Mongolia and Qinghai with a checklist of thirty-two Chinese species (Diptera, Agromyzidae). ZooKeys 1266: 55-101, DOI: 10.3897/zookeys.1266.177044
809EEF189EB95CCE9F5D047710F80870.taxon	description	Figs 12 A – O, 13 A – J	en	Fu, Xin-Ting, Shi, Li, Wang, Shi-Mingzhe (2026): Three new Cerodontha species from Inner Mongolia and Qinghai with a checklist of thirty-two Chinese species (Diptera, Agromyzidae). ZooKeys 1266: 55-101, DOI: 10.3897/zookeys.1266.177044
809EEF189EB95CCE9F5D047710F80870.taxon	diagnosis	Diagnosis. Male (Fig. 12 A – O). Body length 2.0 – 2.2 mm; wing length 2.2 – 2.3 mm. Female (Fig. 13 A – J). Body length 1.8 – 2.3 mm; wing length 2.3 – 2.7 mm. Frons yellow. Fronto-orbital plate yellow but darkened in upper half, not projecting above eye in lateral view (Fig. 12 C, D). Mesonotum entirely black with slightly metallic coloration; 1 + 3 dc. acr in four irregular rows, but two rows beyond level of second dc (Fig. 12 E, F). Legs black but all knees yellow. Calypter yellow, margin and fringe dark brown. Wing with ultimate and penultimate sections of M 4 in proportion of 1: 1. Male genitalia (Fig. 12 H – O): surstylus with three or four spines on inner margin; mesophallus and distiphallus wrapped in a layer of membrane in ventral view. Female terminalia (Fig. 13 F – J): spermathecae circular and truncated at basal 1 / 4; duct slightly sclerotized.	en	Fu, Xin-Ting, Shi, Li, Wang, Shi-Mingzhe (2026): Three new Cerodontha species from Inner Mongolia and Qinghai with a checklist of thirty-two Chinese species (Diptera, Agromyzidae). ZooKeys 1266: 55-101, DOI: 10.3897/zookeys.1266.177044
809EEF189EB95CCE9F5D047710F80870.taxon	distribution	Distribution. Palaearctic: Afghanistan, Albania, Austria, Belgium, Bulgaria, China (Heilongjiang, Inner Mongolia *), Croatia, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iran, Israel, Italy, Japan, Kyrgyzstan, Latvia, Lithuania, Mongolia, Morocco (Doukale Daief et al. 2025), Netherlands, Poland, Portugal (Černý et al. 2018), Romania, Russia, Slovakia, Spain, Sweden, Switzerland, Syria (Soós and Papp 1984), The United Kingdom, Turkey (Dursun et al. 2015), Ukraine, Uzbekistan, Tajikistan, Tunisia (Soós and Papp 1984), Turkmenistan; Oriental: China (Taiwan), India; Afrotropical: South Africa.	en	Fu, Xin-Ting, Shi, Li, Wang, Shi-Mingzhe (2026): Three new Cerodontha species from Inner Mongolia and Qinghai with a checklist of thirty-two Chinese species (Diptera, Agromyzidae). ZooKeys 1266: 55-101, DOI: 10.3897/zookeys.1266.177044
21B5427FD0D9541B9D9871814862DF5A.taxon	description	Figs 14 A – O, 15 A – K	en	Fu, Xin-Ting, Shi, Li, Wang, Shi-Mingzhe (2026): Three new Cerodontha species from Inner Mongolia and Qinghai with a checklist of thirty-two Chinese species (Diptera, Agromyzidae). ZooKeys 1266: 55-101, DOI: 10.3897/zookeys.1266.177044
21B5427FD0D9541B9D9871814862DF5A.taxon	diagnosis	Diagnosis. Frons not projecting above eye in lateral view, ~ 0.8 × as wide as eye and not parallel-sided in dorsal view. Fronto-orbital plate moderately shiny and inner margin yellow, ~ 1 / 2 width of frons; two ori inclinate and two ors reclinate. Lunule yellowish brown, the width equal to the height. Mesonotum with 1 + 3 dc and acr in six irregular rows. Legs dark brown, all femora yellow at distal 1 / 6. Wing with ultimate and penultimate sections of M 4 in proportion of 1.4: 1. Calypter yellow, margin and fringe yellow. Mesophallus oval at apex and swollen on apical 2 / 5; distiphallus curved conspicuously and fused to mesophallus at base, with tubules dilated slightly at distal 1 / 3.	en	Fu, Xin-Ting, Shi, Li, Wang, Shi-Mingzhe (2026): Three new Cerodontha species from Inner Mongolia and Qinghai with a checklist of thirty-two Chinese species (Diptera, Agromyzidae). ZooKeys 1266: 55-101, DOI: 10.3897/zookeys.1266.177044
21B5427FD0D9541B9D9871814862DF5A.taxon	distribution	Distribution. Palaearctic: Belgium, China (Inner Mongolia) #, Czech Republic, Germany, Hungary, Mongolia, North Korea (Černý 2007), Netherlands (Černý and van Zuijlen 2022), Poland, Russia, Slovakia, Sweden, Switzerland.	en	Fu, Xin-Ting, Shi, Li, Wang, Shi-Mingzhe (2026): Three new Cerodontha species from Inner Mongolia and Qinghai with a checklist of thirty-two Chinese species (Diptera, Agromyzidae). ZooKeys 1266: 55-101, DOI: 10.3897/zookeys.1266.177044
0764C7E4C44851A9A44BAE6931C119B9.taxon	description	Figs 16 A – N, 17 A – K	en	Fu, Xin-Ting, Shi, Li, Wang, Shi-Mingzhe (2026): Three new Cerodontha species from Inner Mongolia and Qinghai with a checklist of thirty-two Chinese species (Diptera, Agromyzidae). ZooKeys 1266: 55-101, DOI: 10.3897/zookeys.1266.177044
0764C7E4C44851A9A44BAE6931C119B9.taxon	diagnosis	Diagnosis. Male (Fig. 16 A – N). Body length 1.7 – 2.0 mm; wing length 1.7 – 2.1 mm. Female (Fig. 17 A – K). Body length 1.9 – 2.1 mm; wing length 1.8 – 2.1 mm (Lonsdale 2021: male wing length 1.7 – 2.5 mm, female wing length 1.4 – 2.3 mm). Frons mostly yellow with black transverse line at middle. Fronto-orbital plate yellow, ~ 1 / 2 width of frons, and orbital setae surrounded by a brown circle (Fig. 16 C). Two ori inclinate and two ors reclinate. Lunule dark brown, higher than wide. Mesonotum with 0 - 1 + 3 dc, anteriormost postsutural dc close to suture; acr in six rows (Fig. 16 E). Legs dark brown, all femora yellow at distal 1 / 3 – 1 / 2. Wing with ultimate and penultimate sections of M 4 in proportion of 1.1: 1. Male genitalia (Fig. 16 G – N): distiphallus (Fig. 16 H, K) with tubules short, mightily contorted to right, relatively dilated at apex. Female terminalia (Fig. 17 G – K): spermathecae (Fig. 17 I) with semicircular and rough-surfaced on apical half, and subconical and slightly curved on basal half.	en	Fu, Xin-Ting, Shi, Li, Wang, Shi-Mingzhe (2026): Three new Cerodontha species from Inner Mongolia and Qinghai with a checklist of thirty-two Chinese species (Diptera, Agromyzidae). ZooKeys 1266: 55-101, DOI: 10.3897/zookeys.1266.177044
0764C7E4C44851A9A44BAE6931C119B9.taxon	distribution	Distribution. Palaearctic: Andorra, Austria (Soós and Papp 1984), Belarus, Belgium, Bulgaria (Černý et al. 2022), China (Inner Mongolia) #, Czech Republic, Denmark, Estonia, Finland, France (Soós and Papp 1984), Germany, Greece, Hungary, Italy, Kyrgyzstan, Latvia, Lithuania, Netherlands, Norway, Poland, Portugal (Černý et al. 2018), Russia, Slovakia, South Korea, Spain, Sweden, Switzerland, The United Kingdom, Turkey (Dursun et al. 2015), Ukraine (Guglya 2021), The Former Yugoslavia (Soós and Papp 1984); Nearctic: Canada, USA (Lonsdale 2021); Afrotropical: Madagascar (https: // www. gbif. org / species / 1552471).	en	Fu, Xin-Ting, Shi, Li, Wang, Shi-Mingzhe (2026): Three new Cerodontha species from Inner Mongolia and Qinghai with a checklist of thirty-two Chinese species (Diptera, Agromyzidae). ZooKeys 1266: 55-101, DOI: 10.3897/zookeys.1266.177044
