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

v. Doesburg, LM). - Suriname: Brokopondo, Kabel, 21. IV. 1965, ló* (Mees, LM). Belostoma denticoUe Montandon - Belostoma denticolle Montandon, 1903: 362; Roback et Nieser 1974: 38; Nieser 1975: 113-115, pl. 7e, fig. 131-133, 136, 137, 143-145. Recorded from the Northern part of South America. The present record means a considerable extension of the known area of the species. Brasil: Sta. Catarina, Nova Teutonia, VIII. 1975, lo* (Plaumann, CW). Belostoma dlscretum Montadon - Belostoma dlscretum Montadon, 1903: 22-23; Lauck 1963: 99-101, fig. 71, 74; Nieser 1975: 107-108, pl. 6 c. fig. 120, 129, 135. Eastern part of South America. Brasil: Amazonas, Manaus, Costa do Baixie, 5. VII. 1967, lo", 19; Manaus, Lago dos Passarlnhos, P65, 17. XI. 1967, 2c?, 39j Manacapuru, Lago Calado, P71, 8. I. 1968, 19; Lago Manacapuru, P145A, lo*, 29 (Junk, CW). Belostoma confusum Lauck - Belostoma confusumLauck, 1959:4-5; Lauck 1964: 115-117, fig. 88, 90. South-western U.S.A. and Mexico, Mexico: Puebla, near Oriental, ca. 2000 m, 12. XI. 1973, 2cf (Burmeister, CW). Belostoma thomasi Lauck - Zaitha fusciventre Dufour, 1863: 389 (questionable, many other authors also use "fusciventre"); Belostoma thomasi Lauck, 1959; 2-4; Lauck 1964: 117-121, fig. 91, 95. U.S.A. to Costa Rica. Guatemala: Near Coban, 13. VII. 1974, 19; Quiriguá, 10. III. 1976, 10" (Böttger, CW). Belostoma lutarlum (Stàl) - Zaitha lutaria Stál, 1856: 190; Belostoma lutarium; Lauck 1964: 148-153, fig. 104, 110. Primarily South-eastern U.S.A. U.S.A.: Florida, Alachua Co., TV. 1960, lc? (Edel, LM). Lethocerus Mayr, 1853 A tropicopolitan genus with some large species, the last revision is by De CARLO 1964, whereas MENKE 1960, 1963a for Old World species and MENKE 1963b, for Central and North American species, are very usefull reviews. Lethocerus annullpes (Herrich - Schäffer) - Belostoma annulipes Herrich - Schäffer, 1848: 28, fig. 803-804; Lethocerus annulipes; Menke 1963b: 264, fig. 1, 7; De Carlo 1964: 349, fig. 16,20; Nieser 1975; 121-122, pl. 7b, fig. 151. South America and Windward Isles to Hispaniola. Argentina: Sta. Fe', Coronda, PB309, 22. XH. 1965, 50", 89; Chaco, Resistencia, PB313, 23. XII. 1965, 7o*, 10° (Mahunka, HSZexp.). - Uruguay: Soriano, Mercedes, atlight, 24. VIII. 1961, 1? (Bonino). - Brasil: Sta. Catarina, Nova Teutonia, 14. Di. 1975, lo*; same, 28. XI. 1975,19; same, Xn. 1975, 1 o"; same, 10. II. 1976, 1 ? (Plaumann, CW); Xanxeré, I. 1975, 4 d, 2 9 (Plaumann, CP. )Venezuela: Aragua, Rancho Grande, 18.XI. 1968, at light, 5 o", 3 9 (v. Doesburg, LM). Lethocerus delpontei De Carlo - Lethocerus delpontei De Carlo, 1930:108; Menkel963b: 265, fig. 9; De Carlo 1964: 349, fig. 22, 46; Nieser 1975: 122-123, pl. 7a, fig. 152. South America to Nicaragua. Brasil: Sta. Catarina, Nova Teutonia, 13. IV. 1975, l9 (Plaumann, CP); same, 20. XH. 1975, 1 g; same, Xn. 1975, l9 (Plaumann, CW); Xanxeré', I. 1975, 1? (Plaumann, NC). Lethocerus grandis (Linnaeus)- Nepa grandis Linnaeus, 1758: 440; Lethocerus grandis;De Carlo 1964: 341, pl. la, fig. 21, 30. Known from Brasil. Brasil: Maranhäo, Vitoria, winter 1968/69, 1? (Jenssen, CW). Lethocerus maximus De Carlo - Lethocerus maximus De Carlo, 1938: 47; Menke 1963: 267, flg. 10; De Carlo 1964: 341, pl. lb, flg. 14, 25. Argentina to Venezuela and Trinidad. Brasil: Amazonas, Manaus, 20 Km S of city, 13. XI. 1966, ló* (Balogh, Mahunka, Zicsi, HSZexp. 360). - Curaçao: In the harbour of Williemstad, 15. V. 1970, (ten Hove, CN), It Is improbable that there is a population of this species on the Island of Curacao. Lethocerus amerlcanus (Leidy) - Belostoma grandis var. americanum Leidy, 1847: 66; Lethocerus amerlcanus; Menke 1963: 263, fig. 3, 15; De Carlo 1964: 349-350, fig. 17, 52. Canada and U.S.A. U.S.A.: Washington, Columbia Co., Bhee Lake, 23. VHI. 1971, l9 (Woodley, CN). - Canada: Eliot Lake, 15. Vn. 1963, 2o*; same, 6. X. 1963, l9 (Majthényi).