Hydrochus bicarinatus Perkins 2019c: 23 Taxonomy of Ecuadorian water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae) Perkins, Philip D. Zootaxa 2020 2020-06-11 4790 2 358 374   Hydrochus bicarinatus  Perkins 2019c: 23   8Y4PC Perkins Perkins 2019 [151,532,505,532] Insecta Hydrochidae Hydrochus Animalia Coleoptera 12 370 Arthropoda species bicarinatus      Hydrochus bicarinatus Perkins 2019c: 23   Originallydescribed from Venezuela, the following specimen records are from Ecuador. Imagesof the holotypehabitus and male genitalia are given in Perkins (2019c).   Material examined (80):   Ecuador: Los Rios, Babahoyo, ( 1°48’S, 79°32’W),  21.vi.1975, leg. Cohen, Langley, & Monnig(60 NMNH);  Quevedo, ( 1°2’S, 79°28’W),  11.v.1975, leg. Spangler, et al. (2 NMNH);  Quevedo( 11 kmS),  3.vii.1975, leg. Langley& Cohen(2 NMNH);  Manabi, Bahia de Caraquez( 35.6 kmE), ( 0°40’20’’S, 80°5’9’’W),  10.v.1975, leg. P. J. Spangler(3 NMNH);  Tosagua,  5.iii.1978, leg. J. J. Anderson(11 NMNH);  Napo, ca. Shushufindi, ( 0°18’S, 76°25’W),  21.ix.1975, leg. Langley& Cohen(2 NMNH). 2632886304 Venezuela Originally Images 12 370 1 holotype 2632886320 1975-06-21 NMNH Cohen & Langley & Monnig Ecuador -1.8 Babahoyo 1308 -79.53333 12 370 1 Los Rios 2632886342 [400,1201,788,815] 1975-05-11 NMNH Spangler Ecuador -1.0333333 Quevedo 1308 -79.46667 12 370 1 Los Rios 2632886322 1975-07-03 NMNH Langley & Cohen Ecuador Quevedo 12 370 1 Los Rios 2632886339 1975-05-10 NMNH P. J. Spangler Ecuador -0.67222226 Bahia de Caraquez 21 -80.08584 12 370 1 Manabi 2632886318 [628,1217,860,887] 1978-03-05 NMNH J. J. Anderson Ecuador Tosagua 12 370 1 Manabi 2632886330 1975-09-21 NMNH Langley & Cohen Ecuador -0.3 Shushufindi 1308 -76.416664 12 370 1 Napo