Hydrochus richteri Bruch

Perkins, Philip D., 2021, Taxonomy of water beetles in the genus Hydrochus Leach, 1817, from Bolivia, Brazil and Paraguay (Coleoptera: Hydrochidae), Zootaxa 4994 (1), pp. 1-93 : 51

Hydrochus richteri Bruch

Figs. 5 , 41

Hydrochus richteri Bruch, 1915: 463 ; Oliva (1992) lectotype designation

Hydrochus soesilaae Makhan, 1994 ; syn. Oliva (1996)

Originally described from Argentina. Locality and deposition data have also been published for Peru ( Perkins, 2020c). Habitus and male genitalia images are given herein ( Fig. 41 ). The following new records are from Bolivia, Brazil, and Paraguay.

Material examined (97): Bolivia: Beni, Beni Stn., Palm Camp, NE. of San Borja , 6–9.viii.1988, leg. Robert W. Brooks (1 SEMC) ; El Porvenir Stn. , NE of San Borja, 6–9.viii.1988, leg. Robert W. Brooks (1 SEMC) . Brazil: Amazonas , 20 km SW Itapiranga, 9.xi.1969, leg. JM & BA Campbell (1 CNC) ; Para, Curua R., W. of Santarem, SPVEA—FAO ExpSta , 1.v.1963, leg. F. G. Werner (1 NMNH) ; Santarem , 27.iv.1963, leg. F. G. Werner (12 NMNH) . Paraguay: Dep. Boqueron, Mistolar , (23°13’S, 61°41’W), 3–12.x.1997, leg. Drechsel (73 NMW) ; Dep. Guaira, Garay , 20.viii.1992, leg. U. Drechsel (6 NMW) ; Dep. Pte. Hayes, Puerto Galileo , (25°8’S, 57°50’W), 27–29.viii.2005, leg. U. Drechsel (2 NMW) .

Remarks. The specimen imaged ( Fig. 41 ) has this locality data: Bolivia, Beni, El Porvenir Stn., NE of San Borja, 6–9.viii.1988, leg. Robert W. Brooks.

Figures

FIGURE 5. Dorsal habitus of Hydrochus species in study area.

FIGURES 40–41. Habitus and male genitalia. 40. Hydrochus argutulus n. sp., holotype. 41. Hydrochus richteri Bruch.