Hydrochus bisinuatus Perkins

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 : 41

Hydrochus bisinuatus Perkins

Figs. 4 , 54 , 70

Hydrochus bisinuatus Perkins 2020c: 68

Originally described from Peru. Habitus and male genitalia images are given in Perkins (2020c). The following one new record is from Brazil.

Material examined (1): Brazil: Amazonas , Igarape Belem nr. Rio Solim, 5–30.iv.1966, leg. Borys Malkin (1 NMNH) .

Figures

FIGURE 4. Dorsal habitus of Hydrochus species in study area.

FIGURE 70. Pictorial aid to species groups of Hydrochus from Bolivia, Brazil and Paraguay, using male genitalia. Not to same scale.

FIGURES 53–54. Geographical distributions. 53. H spanglerorum species group. 54. H collaris species group.