S. Mahunka szerk.: Folia Entomologica Hungarica 30/2. (Budapest, 1977)

Lethocerus cordofanus Mayr - Lethocerus cordofanus Mayr, 1853: 18; Menke 1960: 288, flg. 3; De Carlo 1964: 345, fig. 11, 32. Africa. South Africa: Transvaal, Messina, Zoutpansberg, 17/21. XII. 1960, ló* (Héjjá). -Guinea: Coyah, 1968, 1? (Ferenczi). - Ghana: Ashanti region, Bosumtwe Lake, 6°30'N, 1?22'W, alt. 104 m, semideciduous forest zone, roadsides on hill-top, netted, 29. IV. 1965, Id (Endró'di); Kwadaso, 10. V. 1955, 1 o" Kumasi, 6?43*N, 1?36'W, alt. 330 m,. light trap No230, 2. Vn. 1967, 1 o* (Endró'dyYounga). Lethocerus persicus (Montandon) - Belostoma niloticum var. persicum Montandon, 1898: 431; Lethocerus persicus Lauck 1963a: 258-259. South - West Asia and possibly the Balkan, but as only females are known from the latter region, the species occuring there might be L.cordofanus. Hellas: Thassos, 5. IX. 1966, 1? (Veszprémi). - Nepal: Parwanipur, fish pond, 21. IV. 1968, 2o", 3° (Woynarovich), first record from Nepal and also from the higher Himalayas. Lethocerus indicus (Le Peletier e.

1 Servllle) - Belostoma indica Le Peletier et Serville, 1825: 272; Lethocerus indicus, Lundblad 1934: 52-55, fig. 15; Lauck 1960: 288, fig. 1; De Carlo 1964: 343, fig. 28, 43. South-East Asia, including Indonesia and the Philippines, perhaps occuring In Australia too (Lundbland 1934). India: Calcutta, atlight, No21, 2.Xn.l966, 1 °; Konarak, Orissa, No57, 25.

XH.

1966, 1 ?(Topál); Bubaneshvar, 20/30. vn. 1969, ló", 39 (Woynarovich). - Viet-Nam: Hanoi, I/P7. 1964, 2o*, 29, (Dolinka); Vinh, 13. VIII. 1968, 1°; same, 20. VIH. 1968, id; same, 22. vm. 1968, 19 (Pócs). Lethocerus insulanus (Montandon) - Belostoma Insulanum Montandon 1898: 431; Lethocerus insulanus; Lauck 1960: 288, fig. 2; De Carlo 1964: 343, fig. 18, 47. Australia and Melanesia. Australia: Queensland, Ingham, at light, 22. m. 1965, 1? (Balogh). Diplonychus Laporte, 1833 A palaeotroplc genus of comparatively small Belostomatidae which are often common and abundant. Africa is richest in species. A critical revision of the genus is lacking, the African species are dealt with by POISSON 1937, 1949, 1968. Diplonychus ampliata (Bergroth) - Appasus ampllata Bergroth, 1890; Sphaerodema ampliata; Poisson 1937: 125-127, fig. 11-15; Poisson 1949: 23-24, fig. 23; Diplonychus ampliata; Poisson 1968a: 24, flg. 10A. Tropical Africa from Ivory Coast through the Congo-basin to Uganda. Ghana: Ashanti, Kwadaso, alt. 320 m, 6?42'N, 1°39'W, mixed light, No324, 11. m. 1969, lo*; same, 259 m, 6?55'N, 1?39'W, light trap, No358, 22. V. 1969, 1?; same 254 m, 5?55'N, 1?39'W, light traps on field, No366, 26. V. 1969, 2d, 3?; E region, Botifalls, 30 km NE Koforidus, at water surface, 28. Xn. 1971, No412, Id", 2 Ív (Endrődy-Younga). First species records from Ghana. Congo - Brazzaville: Kindamba settlement, at light, Nol46, 9. XI. 1963, 1? (Balogh et Zicsi). Diplonychus grassei (Poisson) - Sphaerodema grassei Poisson, 1937: 127-128, Fig.

16-18; Poisson 1949: 20-23, fig. 18-20; Poisson 1957: 355; Corbet 1960: 17-22; Poisson 1963: 1172; Diplonychus grassei; Poisson 1968a: 24-25, fig. 10C; Poisson 1968b: 399; Dejoux 1968: 72. South Africa to Southern Sahara. A study of the biology of the subspecies D.grassei gresquierei (POISSON) is given by BÖTTGER 1974. Ghana: Ashanti Kumasi, 330 m, 6

?

43'

, 1

9

36* W, light trap, No218, 20. V. 1967, 1 o, 1 Î; Kwadaso, 259 m, 6^55'N, 1

?

39'

W, UV light trap on field, No366, 26. V. 1969, 1 Ô; Juaben, 340 m, 6?50', 1^25'

W, water pond, Nol98, 19. H. 1967, 6 d, 2 ?, 5 lv, brachypterous (Endró'dy-Younga). Diplonychus nepoides (Fabricius) - Naucoris nepoides Fabricius, 1803: 111; Sphaerodema nepoides; Poisson 1937: 121-124, fig. 7; Poisson 1949: 15-17, fig. 13-15; Mancini 1954: 169; Weir 1966: table 1; Diplonychus nepoides; Poisson 1968a: 25, fig. 10D; Poisson 196ob: 399; Dejoux 1968: 72. Africa except for the North-western part. Ghana: Ashanti, Kumasi, Nhiasu alt. 330 m, 6?45'N, 1*36'

W, singling, No9, 26. V. 1965, Id", 1?; same, light trap, Nol3, 18/20-VI. 1965, lo*, 1°; Brong-Ahafo region, Buicasp, 106 m, 8*17' N, 2?15'W, slopping onto coast, No27, 15.VII. 65, 1? (Endró'dy-Younga); Bronf,-Ahafo region, New Longoro, 107m, 89o5'N, 2%1'W, on woody savanna, netted, No52, 11. VIH. 1965, ló* (Endró'di); Nort-