Kaszab Zoltán (szerk.): A Magyar Természettudományi Múzeum évkönyve 64. (Budapest 1972)

Satô, M.: Some notes on dytiscoid-beetles from Vietnam (Coleoptera)

Neohydrocoptus subgen. nov. (Type-species : Hydrocoptus bivittis MOTSCHULSKY, 1859). The new subgenus can be separated from the nominate subgenus by the following points : body distinctly convex, internal lamina of hind coxae acuminate at each terminal corner and scattered with numerous setiferous punctures on surface, right lateral lobe of male genitalia elongate and provided with a group of hairs on the apical portion (Fig. 1-2). 2. Hydrocoptus (H.) subvittulus MOTSCHULSKY (Fig. 2.) Hydrocoptus subvittulus MOTSCHULSKY, 1860. Etud. Ent. 8: 43. Hydrocoptus vittatus SHARP, 1882. Sei. Trans. R. Dublin Soc. 2: 262. M et hies sternalis SEIDLITZ, 1887. Verh. Naturf. Ver. Brünn 25: 78. Specimens examined: 18 exs. Lao-cai, 300 m, forêt trop, second. 21. IX, 1963, leg. T. Pócs; 32 exs. Hanoi, 40 m l'hôtel, 11. IX.-31. X. 1963, leg. T. Pócs; 5 exs. Prov. Nghe-An, forestière Quy-châu, 200 m, forêt pluv. trop, semidecid, 25, 28. VIII. 1963, leg. T. Pócs; 4 exs. Prov. Ninh-Binh Res. Cuc-Phüöng, Dang forêt tropic, pluv. 200 m, 16. IX.-12. X. 1963, leg. T. PÓCS; 2 exs. baie d'Ha-long, Hông-gai, 0-10 m, l'hôtel, 8. IX. 1963, leg. T. Pócs. Distribution: India, Ceylon, Vietnam, China, Sumatra, Java. 3. Hydrocanthus indicus WEHNKE Hydrocanthus indicus WEHNCKE, 1876. Deutsch. Ent. Zeitsch.: 223. Specimen examined: 1 ex. Saigon, 8. VI. 1963, leg. S. INOUÉ. Distribution: Burma, Thailand, Cambodia, Vietnam, Sumatra, Java, Borneo. 4. Canthydrus îlavus (MOTSCHULSKY) Hydrocanthus flavus MOTSCHULSKY, 1856, Etud. Ent. 5: 83. Canthydrus fulvescens RÉGIMBART, 1889. Ann. Soc. ent. France (6) 9: 149. Specimens examined: 73 exs. Hanoi, 40 m l'hôtel, 7. VIII-31. X. 1963, leg. T. Pócs; 2 exs. Prov. Ha-Tinh, forestière Hüöng-sön, 150 m forêt trop. pluv. 14. VIII. 1963, leg. T. Pócs; 1 ex. Prov. Nghe-An, forestière Quy-châu, 200 m, forêt pluv. trop, semidecid. 25. VIII. 1963. leg. T. Pócs; 1 ex. Ninh-Binh, Res. Cuc-Phüöng, Dang forêt tropic, pluv. 200 m, 16. IX. 1963, leg. T. Pócs; 1 ex. baie d'Halong, Plông-gai, 0-10 m l'hôtel, 5. IX. 1963, leg. T. Pócs. Distribution: India, Burma, China, Vietnam, Sumatra, Java, Formosa. 5. Canthydrus nitidulus SHARP Canthydrus nitidulus SHARP, 1882, Sei. Trans. R. Dublin Soc. 2: 278. Specimens examined: 1 ex. Hanoi, 40 m l'hôtel, 29. X. 1963, leg. T. Pócs; I ex. Prov. Ninh-Binh. Res. Cuc-Phüöng, Dang forêt tropic, pluv. 200 m, 14. X. 1963, leg. T. Pócs. Distribution: China, Vietnam, Formosa, Ryukyus. Family Dytiscidae 1. Hyphydrus (Apriophorus) pulchellus CLARK Hyphidrus pulchellus CLARK, 1863. Trans. Ent. Soc. London (3) 1: 420. Hyphydrus xvui GSCHWENDTNER, 1932. Bull. Peking Nat. Hist. Soc. 7: 161.