Matskási István (szerk.): A Magyar Természettudományi Múzeum évkönyve 90. (Budapest 1998)

Makhan, D.: Three new genera and two new species of Hydrochidae from different parts of the World (Coleoptera)

Last abdominal sternite of males. Hydrochus piroei MAKHAN 1992 (Fig. 24): spines in two rows, lower row with 4 spines, upper row with 10 spines. Hydrochus merkli MAKHAN, 1993 (Fig. 25): spines in 3 rows, lower row with 10 spines, middle row with 10 spines, upper row with 12 spines. Hydrochus pumilio KNISCH, 1920 (Fig. 26): 9 spines in one row. Hydrochus radhakisunae MAKHAN, 1994 (Fig. 27): spines in 2 rows, lower row with 7 spines, upper row with 2 spines. Hydrochus rattanae MAKHAN, 1992 (Fig. 28): 8 spines in one row. Hydrochus beeneni MAKHAN, 1992 (Fig. 29): spines in two rows, lower row with 5 spines, upper row with 5 spines. Hydrochus stolpi GERMAIN, 1901 (Fig. 30): spines in two rows, under row with 7 spines and upper row with 6 spines. * * * Acknowledgements - I thank Dr. S. ENDRŐDY-YOUNGA, Curator of the Coleoptera Collection, Transvaal Museum (Pretoria, South Africa) for the loan of the Hydrochidae material. REFERENCES BLATCHLEY, W. S. (1910): Coleoptera of Indiana. - Nature Publishing Company, Indiana, pp. 247-253. BRUCH, C. (1915): Nuevas especies de Coleopteros Hidrofilidos. - Rev. Mus. La Plata 19: 447-470. GERMAIN. P. (1901): Très Especies dc Heloforidos Chilenos. - Anal. Univ. Chile 108-110(50): 519-538. KNISCH, A. ( 1

920): Hydrophiliden aus Malo Grosso (Erster Teil). - Arch. f. Naturg. 87A: 1-24. LEACH, W. E. (1817): Zoological Miscellany. Vol. 3. - London, 151 pp. MAKHAN, D. (1992): Twelve new Hydrochus-species from South America (Coleoptera: Hydrophilidae). - Phegea 20 (2): 95-103. MAKHAN, D. (1993): Nine new Hydrochus-species from South and Central America (Coleoptera: Hydrophilidae). - Annls hist.-nat. Mus. natn. hung. 85: 65-70. MAKHAN, D. (1994<I): Descriptions of a new species in a new genus, Kiransus, and five new species of Hydrochus (Coleoptera, Hydrophilidae). - Zool. Stud. 33 (2): 160-164. MAKHAN, D. (1994/J) Thirty-five new Hydrochus species from the Old and the New World (Coleoptera: Hydrophilidae). - Annls hist.-nat. Mus. natn. hung. 86: 29-42. NIETNER, J. (1857): Descriptions of new Ceylon Coleoptera. -A/m. Mag. Nat. Hist. (2) 19: 374-388. OLIVA, A. (1996): The genus Hydrochus Leach (Coleoptera; Hydrophiloidea; Hydrochidae) in South America, with special reference to Argentina. - Bull. Annls Soc. r. beige Ent. 132: 301-341. RÉGIMBART, (1906): Dytiscidae, Gyrinidae, Hydrophylidae. - Ann. Sac. Ent. France 75: 1-273.