Diapromorpha flavolabiata Zhou, Duan & Wang 2025, sp. nov.

Diapromorpha flavolabiata Zhou, Duan & Wang, sp. nov. (Figs 1, 2) Type locality. China: Yunnan Province: Xishuangbanna, Xiaomengyang. Type material examined. Holotype: male, CHINA: Yunnan Province: Xishuangbanna, Xiaomengyang, 24. VIII. 1958, coll. Yiran Zhang (IZ-CAS). Paratypes: CHINA: Yunnan Province: 1 male, 1 female, Xishuangbanna, Xiaomengyang, 1957, coll. Shuyong Wang (IZ-CAS); 1 female, Xishuangbanna, Xiaomengyang, 14. VI. 1957, coll. Shuyong Wang (IZ-CAS); 2 males, Xishuangbanna, Xiaomengyang, 15. VI. 1957, coll. Shuyong Wang (IZ-CAS); 1 male, Xishuangbanna, Xiaomengyang, 21. VI. 1957, coll. Shuyong Wang (IZ-CAS); 1 male, Xishuangbanna, Xiaomengyang, 23. VI. 1957, coll. Shuyong Wang (IZ-CAS); 1 female, Xishuangbanna, Xiaomengyang, 6. VII. 1957, coll. Shuyong Wang (IZ-CAS); 1 male, 3 females, Xishuangbanna, Xiaomengyang, 7. VII. 1957, coll. Lingchao Zang (IZ-CAS); 3 females, Xishuangbanna, Xiaomengyang, 8. VII. 1957, coll. Lingchao Zang (IZ-CAS); 1 female, Xishuangbanna, Xiaomengyang, 9. VII. 1957, coll. Lingchao Zang (IZ-CAS); 2 males, 1 female, Xishuangbanna, Xiaomengyang, 11. VII. 1957, coll. Lingchao Zang (IZ-CAS); 1 female, Xishuangbanna, Xiaomengyang, 12. VII. 1957, coll. Lingchao Zang (IZ-CAS); 1 female, Xishuangbanna, Xiaomengyang, 17. VII. 1957, coll. Lingchao Zang (IZ-CAS); 1 male, Xishuangbanna, Xiaomengyang, 7. VIII. 1957, coll. Lingchao Zang (IZ-CAS); 1 female, Xishuangbanna, Xiaomengyang, 17. VIII. 1957, coll. Shuyong Wang (IZ-CAS); 2 females, Xishuangbanna, Xiaomengyang, 7. IX. 1957, coll. Lingchao Zang (IZ-CAS); 1 female, Xishuangbanna, Xiaomengyang, 9. X. 1957, coll. Lingchao Zang (IZ-CAS); 1 female, Xishuangbanna, Xiaomengyang, 11. X. 1957, coll. Lingchao Zang (IZ-CAS); 1 male, Xishuangbanna, Xiaomengyang, 18. VIII. 1958, coll. Xuwu Meng (IZ-CAS); 1 male, 2 females, Xishuangbanna, Xiaomengyang, 19. VIII. 1958, coll. Yiran Zhang (IZ-CAS); 1 female, Xishuangbanna, Xiaomengyang, 20. VIII. 1958, coll. Yiran Zhang (IZ-CAS); 1 female, Xishuangbanna, Xiaomengyang, 22. VIII. 1958, coll. Yiran Zhang (IZ-CAS); 1 male, 1 female, Xishuangbanna, Xiaomengyang, 25. VIII. 1958, coll. Yiran Zhang (IZ-CAS); 1 female, Xishuangbanna, Xiaomengyang, 26. VIII. 1958, coll. Yiran Zhang (IZ-CAS); 1 male, Xishuangbanna, Xiaomengyang, 28. VIII. 1958, coll. unknown (IZ-CAS); 1 male, Xishuangbanna, Xiaomengyang, 28.VIII.1958,coll. Xuwu Meng (IZ-CAS); 1male, Xishuangbanna, Xiaomengyang, 29. VIII. 1958, coll. Leyi Zheng (IZ-CAS); 2 females, Xishuangbanna, Xiaomengyang, 29. VIII. 1958, coll. Yiran Zhang (IZ-CAS); 1 female, Xishuangbanna, Xiaomengyang, 30. VIII. 1958, coll. Xuwu Meng (IZ-CAS); 2 females, Xishuangbanna, Xiaomengyang, 30. VIII. 1958, coll. Shuyong Wang (IZ-CAS); 1 male, 1 female, Xishuangbanna, Xiaomengyang, 2. IX. 1958, coll. Xuwu Meng (IZ-CAS); 1 female, Xishuangbanna, Xiaomengyang, 2. IX. 1958, coll. Yiran Zhang (IZ-CAS); 1 male, 1 female, Xishuangbanna, Xiaomengyang, 3. IX. 1958, coll. Xuwu Meng (IZ-CAS); 1 male, Xishuangbanna, Xiaomengyang, 3. IX. 1958, coll. Yiran Zhang (IZ-CAS); 1 female, Xishuangbanna, Xiaomengyang, 4. IX. 1958, coll. Xuwu Meng (IZ-CAS); 1 male, Xishuangbanna, Xiaomengyang, 6. IX. 1958, coll. Xuwu Meng (IZ-CAS); 1 female, Xishuangbanna, Xiaomengyang, 7. IX. 1958, coll. Yiran Zhang (IZ-CAS); 1 female, Xishuangbanna, Xiaomengyang, 8. IX. 1958, coll. Xuwu Meng (IZ-CAS); 1 male, Xishuangbanna, Xiaomengyang, 9. IX. 1958, coll. Yiran Zhang (IZ-CAS); 1 female, Xishuangbanna, Xiaomengyang, 9. IX. 1958, coll. Xuwu Meng (IZ-CAS); 2 females, Xishuangbanna, Xiaomengyang, 9. IX. 1958, coll. unknown (IZ-CAS); 2 males, 3females, Xishuangbanna, Xiaomengyang, 10.IX.1958, coll. Yiran Zhang (IZ-CAS); 2 males, Xishuangbanna, Xiaomengyang, 13. IX. 1958, coll. Yiran Zhang (IZ-CAS); 1 male, 1 female, Xishuangbanna, Xiaomengyang, 20. X. 1958, coll. Shuyong Wang (IZ-CAS); 9 males, 5 females, Xishuangbanna, Mengla, 9. IX. 1958, coll. Yiran Zhang (IZ-CAS); 1 female, Xishuangbanna, Mengla, 11. XI. 1958, coll. Fuji Pu (IZ-CAS); 1 female, Xishuangbanna, Mengla, 23. V. 1959, coll. Zhenfu Li (IZ-CAS); 1 male, Xishuangbanna, Mengla, 27. V. 1959, coll. Fuji Pu (IZ-CAS); 1 female, Xishuangbanna, Mengla, 5. VI. 1959, coll. Zhenfu Li (IZ-CAS); 1 female, Xishuangbanna, Mengla, 7. VII. 1959, coll. Zhenfu Li (IZ-CAS); 1 female, Xishuangbanna, Mengla, 15. VIII. 1959, coll. Facai Zhang (IZ-CAS); 1 male, 1 female, Xishuangbanna, Meng’a, 30. VII. 1958, coll. Fuji Pu (IZ-CAS); 1 female, Xishuangbanna, Meng’a, 3. VIII. 1958, coll. Fuji Pu (IZ-CAS); 2 males, 1 female, Xishuangbanna, Meng’a, 4. VIII. 1958, coll. Fuji Pu (IZ-CAS); 1 male, Xishuangbanna, Meng’a, 4.VIII.1958, coll. Shuyong Wang (IZ-CAS); 3males, Xishuangbanna, Meng’a, 6. VIII. 1958, coll. Shuyong Wang (IZ-CAS); 1 male, 1 female, Xishuangbanna, Meng’a, 7. VIII. 1958, coll. Fuji Pu (IZ-CAS); 1 female, Xishuangbanna, Meng’a, 8. VIII. 1958, coll. Xuwu Meng (IZ-CAS); 1 female, Xishuangbanna, Meng’a, 9. VIII. 1958, coll. Fuji Pu (IZ-CAS); 2 males, 1 female, Xishuangbanna, Meng’a, 10. VIII. 1958, coll. Fuji Pu (IZ-CAS); 3 males, 2 females, Xishuangbanna, Meng’a, 11. VIII. 1958, coll. Shuyong Wang (IZ-CAS); 2 females, Xishuangbanna, Meng’a, 11. VIII. 1958, coll. Shuyong Wang (IZ-CAS); 2 males, 3 females, Xishuangbanna, Meng’a, 12. VIII. 1958, coll. Shuyong Wang (IZ-CAS); 1 male, Xishuangbanna, Meng’a, 16. VIII. 1958, coll. Shuyong Wang (IZ-CAS); 1 female, Xishuangbanna, Meng’a, 17. VIII. 1958, coll. Fuji Pu (IZ-CAS); 1 male, Xishuangbanna, Meng’a, 19. VIII. 1958, coll. Fuji Pu (IZ-CAS); 1 male, 1 female, Xishuangbanna, Meng’a, 20. VIII. 1958, coll. Fuji Pu (IZ-CAS); 1 male, 1 female, Xishuangbanna, Meng’a, 30. VIII. 1958, coll. Fuji Pu (IZ-CAS); 1female, Xishuangbanna, Menghun, 28.V.1958, coll. Xuwu Meng (IZ-CAS); 1female, Xishuangbanna, Menghun, 31. V. 1958, coll. Chunpei Hong (IZ-CAS); 1 male, Xishuangbanna, Menghun, 1. VI. 1958, coll. Chunpei Hong (IZ-CAS); 1 male, 1 female, Xishuangbanna, Menghun, 2. VI. 1958, coll. unknown (IZ-CAS); 1 male, Xishuangbanna, Menghun, 6. VI. 1958, coll. unknown (IZ-CAS); 1 male, 1 female, Xishuangbanna, Menghun, 9. VI. 1958, coll. Yiran Zhang (IZ-CAS); 1 male, 1 female, Xishuangbanna, Menghun, 9. VI. 1958, coll. Chunpei Hong (IZ-CAS); 1 male, 1 female, Xishuangbanna, Menghun, 14. VI. 1958, coll. Xuwu Meng (IZ-CAS); 1 male, Xishuangbanna, Menghun, Mengban, 9. VI. 1958, coll. Chunpei Hong (IZ-CAS); 2 females, Xishuangbanna, Menghai, 10. VII. 1957, coll. Lingchao Zang (IZ-CAS); 1 male, 1 female, Xishuangbanna, Menghai, 10. VIII. 1957, coll. Lingchao Zang (IZ-CAS); 1 female, Xishuangbanna, Menghai, 13. VIII. 1957, coll. Lingchao Zang (IZ-CAS); 1 female, Xishuangbanna, Menghai, 15. VII. 1958, coll. Fuji Pu (IZ-CAS); 2 males, 2 females, Xishuangbanna, Menghai, 16. VII. 1958, coll. Shuyong Wang (IZ-CAS); 1 female, Xishuangbanna, Menghai, 22. VII. 1958, coll. Fuji Pu (IZ-CAS); 1 male, 2 females, Xishuangbanna, Menghai, 24. VII. 1958, coll. Shuyong Wang (IZ-CAS); 2 male, 1 females, Xishuangbanna, Menghai, 24. VII. 1958, coll. Fuji Pu (IZ-CAS); 1 male, Xishuangbanna, Mengzhe, 26. VI. 1958, coll. Fuji Pu (IZ-CAS); 5 males, 5 females, Xishuangbanna, Mengzhe, 29. VIII. 1958, coll. Shuyong Wang (IZ-CAS); 1 male, 2 females, Xishuangbanna, Mengzhe, 29. VIII. 1958, coll. Fuji Pu (IZ-CAS); 1 male, Xishuangbanna, Damenglong, 7. VII. 1958, coll. Yiran Zhang (IZ-CAS); 1 female, Xishuangbanna, Damenglong, 8. VII. 1958, coll. Leyi Zheng (IZ-CAS); 1 male, Xishuangbanna, Damenglong, 13. VII. 1958, coll. Yiran Zhang (IZ-CAS); 1male, Xishuangbanna, Damenglong, 16.VII.1958,coll. Yiran Zhang (IZ-CAS); 1female, Xishuangbanna, Damenglong, 20. VIII. 1958, coll. Yiran Zhang (IZ-CAS); 1 female, Xishuangbanna, Damenglong, 29. VIII. 1958, coll. Fuji Pu (IZ-CAS); 1 male, 3 females, Xishuangbanna, Yunjinghong, 3. VII. 1957, coll. unknown (IZ-CAS); 1 female, Xishuangbanna, Yunjinghong, 3. VII. 1957, coll. Shuyong Wang (IZ-CAS); 3 males, 2 females, Xishuangbanna, Yunjinghong, 22.VII. 1957, coll. Lingchao Zang (IZ-CAS); 1 female, Xishuangbanna, Yunjinghong, 22. VII. 1957, coll. Shuyong Wang (IZ-CAS); 1 female, Xishuangbanna, Kongmingshan, 21. IX. 1957, coll. Shuyong Wang (IZ-CAS); 1 female, Xishuangbanna, Yiwu, 26. X. 1958, coll. Fuji Pu (IZ-CAS); 1 female, Xishuangbanna, Mengna, 29. VI. 1959, Facai Zhang (IZ-CAS); 1 male, Yiwubanna, Menglun, 24. X. 1958, coll. Shuyong Wang (IZ-CAS); 1 female, Yiwubanna, Menglun, 28. X. 1958, coll. Xuwu Meng (IZ-CAS); 2 females, Yiwubanna, Menglun, 25. VII. 1957, coll. Shuyong Wang (IZ-CAS); 1 female, Yiwubanna, Menglun, 26. VII. 1959, coll. Facai Zhang (IZ-CAS); 1 male, Kunming, Heilongtan, 18. IX. 1958, coll. Xuwu Meng (IZ-CAS). Measurements. Body length males: 5.1–5.9 mm, females: 5.7–7.0 mm. Description. Body (Figs 1A, B) cylindrical, upper side glabrous. Head black, mandibles black, labrum, labium and maxilla yellowish brown, frontal clypeus between antennal insertions yellowish brown; four basal antennomeres yellowish brown, others blackish brown. Pronotum yellowish brown. Scutellum entirely or largely black. Elytra yellowish brown. Ventral side of body black, prosternal epimeron yellowish brown, legs largely black, tibia and tarsi yellowish brown. Head small. Mandibles not robust; anterior margin of labrum slightly concave and truncates; length ratio of labial palpomeres: 0.5: 1.4: 1.4: 2.5; anterior margin of gena deeply concave; clypeus flat and glabrous, with dense and coarse punctures; between eyes with lightly yellow short hair; vertex convex and shining, with a longitudinally shallow groove and fine wrinkles. Antennae short, reaching the middle part of pronotum; 3 rd segment tiniest, glabrous. Prothorax transverse, width 1.9 x of length, base much broader than apex. Posterior angles distinct. Disc convex and shining, with extremely fine punctures. Scutellum small and narrow, shining and without any punctures. Elytron about 2.7 x as long as broad, humeri slightly prominent; lateral margins distinctly expanded ventrally and roundl