Hydrochus, Taxa Only, Exact Match: 100 Treatments

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Hydrochus kellymilleri     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 : 45-46 45-46
Hydrochus parvicollis   sp. nov.  Perkins, Philip D., 2020, Taxonomy of Peruvian water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae), Zootaxa 4868 (1), pp. 61-89 : 77 77
Hydrochus obliquus   sp. nov.  Perkins, Philip D., 2020, Taxonomy of Peruvian water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae), Zootaxa 4868 (1), pp. 61-89 : 74-77 74-77
Hydrochus alternatus   sp. nov.  Perkins, Philip D., 2020, Taxonomy of Peruvian water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae), Zootaxa 4868 (1), pp. 61-89 : 63-66 63-66
Hydrochus piroei     Perkins, Philip D., 2019, Taxonomy of Venezuelan water beetles in the genus Hydrochus Leach, 1817, and an analysis of male genitalia morphology (Coleoptera: Hydrochidae), Zootaxa 4708 (1), pp. 1-59 : 36-39 36-39
Hydrochus variabilis     Perkins, Philip D., 2019, Taxonomy of Venezuelan water beetles in the genus Hydrochus Leach, 1817, and an analysis of male genitalia morphology (Coleoptera: Hydrochidae), Zootaxa 4708 (1), pp. 1-59 : 21-23 21-23
Hydrochus leei     Perkins, Philip D., 2021, Taxonomy of Central American water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae), Zootaxa 4974 (3), pp. 459-503 : 476 476
Hydrochus ignicollis     Darilmaz, Mustafa C. & İncekara, Ümit, 2011, Checklist of Hydrophiloidea of Turkey (Coleoptera: Polyphaga), Journal of Natural History 45 (11 - 12), pp. 685-735 : 699 699
Hydrochus pronotulus   sp. nov.  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 : 32 32
Hydrochus laevigatus   sp. nov.  Perkins, Philip D., 2021, Taxonomy of Central American water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae), Zootaxa 4974 (3), pp. 459-503 : 467 467
Hydrochus bisinuatus     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 41
Hydrochus bicarinatus     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 41
Hydrochus simplicatus   sp. nov.  Perkins, Philip D., 2020, Taxonomy of Ecuadorian water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae), Zootaxa 4790 (2), pp. 358-374 : 368-369 368-369
Hydrochus drakei     Perkins, Philip D., 2019, Type designations for Neotropical water beetles in the genus Hydrochus Leach 1817 (Coleoptera: Hydrochidae), Zootaxa 4701 (2), pp. 149-167 : 152-153 152-153
Hydrochus purpureus     Perkins, Philip D., 2019, Taxonomy of Venezuelan water beetles in the genus Hydrochus Leach, 1817, and an analysis of male genitalia morphology (Coleoptera: Hydrochidae), Zootaxa 4708 (1), pp. 1-59 : 53-55 53-55
Hydrochus spanglerorum     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 : 52 52
Hydrochus uniformis   sp. nov.  Perkins, Philip D., 2020, Taxonomy of Peruvian water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae), Zootaxa 4868 (1), pp. 61-89 : 83-85 83-85
Hydrochus obscurus     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 : 48 48
Hydrochus piroei     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 : 49 49
Hydrochus pietersenae     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 : 49 49
Hydrochus argutus     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 : 12 12
Hydrochus constrictus   sp. nov.  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 : 22 22
Hydrochus brevis     Darilmaz, Mustafa C. & İncekara, Ümit, 2011, Checklist of Hydrophiloidea of Turkey (Coleoptera: Polyphaga), Journal of Natural History 45 (11 - 12), pp. 685-735 : 698 698
Hydrochus elongatus     Darilmaz, Mustafa C. & İncekara, Ümit, 2011, Checklist of Hydrophiloidea of Turkey (Coleoptera: Polyphaga), Journal of Natural History 45 (11 - 12), pp. 685-735 : 698 698
Hydrochus dualis   sp. nov.  Perkins, Philip D., 2020, Taxonomy of Peruvian water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae), Zootaxa 4868 (1), pp. 61-89 : 72-73 72-73
Hydrochus lobatus     Perkins, Philip D., 2020, Taxonomy of Peruvian water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae), Zootaxa 4868 (1), pp. 61-89 : 88 88
Hydrochus bisinuatus   sp. nov.  Perkins, Philip D., 2020, Taxonomy of Peruvian water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae), Zootaxa 4868 (1), pp. 61-89 : 68-69 68-69
Hydrochus tarsalis     Perkins, Philip D., 2019, Type designations for Neotropical water beetles in the genus Hydrochus Leach 1817 (Coleoptera: Hydrochidae), Zootaxa 4701 (2), pp. 149-167 : 160-161 160-161
Hydrochus steineri   sp. nov.  Perkins, Philip D., 2020, Taxonomy of Guatemalan water beetles in the genus Hydrochus (Coleoptera: Hydrochidae), Acta Entomologica Musei Nationalis Pragae 60 (1), pp. 291-301 : 300-301 300-301
Hydrochus lubricus   sp. nov.  Perkins, Philip D., 2021, Taxonomy of Central American water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae), Zootaxa 4974 (3), pp. 459-503 : 468 468
Hydrochus astrictus     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 : 40 40
Hydrochus spanglerorum   sp. nov.  Perkins, Philip D., 2019, Hydrochus spanglerorum n. sp., a remarkable, highly derived species from Brazil Guyana, and Suriname (Coleoptera: Hydrochidae), Zootaxa 4701 (6), pp. 581-587 : 581-586 581-586
Hydrochus argutulus   sp. nov.  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 : 17 17
Hydrochus foveatus     Perkins, Philip D., 2021, Taxonomy of Central American water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae), Zootaxa 4974 (3), pp. 459-503 : 475-476 475-476
Hydrochus subovatus   sp. nov.  Perkins, Philip D., 2020, Taxonomy of Peruvian water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae), Zootaxa 4868 (1), pp. 61-89 : 80-81 80-81
Hydrochus vagus     Perkins, Philip D., 2021, Taxonomy of Central American water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae), Zootaxa 4974 (3), pp. 459-503 : 479-480 479-480
Hydrochus leei     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 : 46 46
Hydrochus     Darilmaz, Mustafa C. & İncekara, Ümit, 2011, Checklist of Hydrophiloidea of Turkey (Coleoptera: Polyphaga), Journal of Natural History 45 (11 - 12), pp. 685-735 : 698 698
Hydrochus irregularis   sp. nov.  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 : 28-29 28-29
Hydrochus liquidus   sp. nov.  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 : 29 29
Hydrochus leei     Perkins, Philip D., 2020, Taxonomy of Peruvian water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae), Zootaxa 4868 (1), pp. 61-89 : 87-88 87-88
Hydrochus obtusicollis     Benamar, Loubna, Bennas, Nard, Henegouwen, Arno Van Berge, García-Meseguer, Antonio José, Hassoun, Mustapha, Benali, Naouar & Millán, Andrés, 2024, The Hydrochidae (Coleoptera) of Morocco with a redescription of Hydrochus cf. obtusicollis Fairmaire, 1877, Zootaxa 5458 (2), pp. 197-228 : 202-203 202-203
Hydrochus tarsalis     Perkins, Philip D., 2019, Taxonomy of Venezuelan water beetles in the genus Hydrochus Leach, 1817, and an analysis of male genitalia morphology (Coleoptera: Hydrochidae), Zootaxa 4708 (1), pp. 1-59 : 13-14 13-14
Hydrochus jenniferiduae   stat. nov.  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 : 45 45
Hydrochus formosus     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 : 45 45
Hydrochus hellmani     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 : 45 45
Hydrochus elongatus     Litovkin, S. V. & Efimov, D. A., 2020, Beetles of the superfamily Hydrophiloidea of Kemerovo Area, Russian Entomological Journal 29 (1), pp. 61-68 : 63-64 63-64
Hydrochus choennii     Perkins, Philip D., 2020, Taxonomy of Ecuadorian water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae), Zootaxa 4790 (2), pp. 358-374 : 370-373 370-373
Hydrochus     Bird, Matthew S., Bilton, David T. & Perissinotto, Renzo, 2017, Diversity and distribution of polyphagan water beetles (Coleoptera) in the Lake St Lucia system, South Africa, ZooKeys 656, pp. 51-84 : 69 69
Hydrochus obscurus     Perkins, Philip D., 2020, Taxonomy of Guatemalan water beetles in the genus Hydrochus (Coleoptera: Hydrochidae), Acta Entomologica Musei Nationalis Pragae 60 (1), pp. 291-301 : 295-297 295-297
Hydrochus sculptissimus     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 : 13 13
Hydrochus variabiloides   sp. nov.  Perkins, Philip D., 2019, Taxonomy of Venezuelan water beetles in the genus Hydrochus Leach, 1817, and an analysis of male genitalia morphology (Coleoptera: Hydrochidae), Zootaxa 4708 (1), pp. 1-59 : 32-34 32-34
Hydrochus drechseli     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 : 44 44
Hydrochus shorti   sp. nov.  Perkins, Philip D., 2019, Taxonomy of Venezuelan water beetles in the genus Hydrochus Leach, 1817, and an analysis of male genitalia morphology (Coleoptera: Hydrochidae), Zootaxa 4708 (1), pp. 1-59 : 25-26 25-26
Hydrochus elsjeae   stat. nov.  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 : 44-45 44-45
Hydrochus farsicus     Short, Andrew E. Z. & Fikáček, Martin, 2011, World catalogue of the Hydrophiloidea (Coleoptera): additions and corrections II (2006 - 2010), Acta Entomologica Musei Nationalis Pragae (suppl.) 51 (1), pp. 83-122 : 89 89
Hydrochus angustatus subsp. angustatus     Benamar, Loubna, Bennas, Nard, Henegouwen, Arno Van Berge, García-Meseguer, Antonio José, Hassoun, Mustapha, Benali, Naouar & Millán, Andrés, 2024, The Hydrochidae (Coleoptera) of Morocco with a redescription of Hydrochus cf. obtusicollis Fairmaire, 1877, Zootaxa 5458 (2), pp. 197-228 : 200 200
Hydrochus megaphallus     Darılmaz, Mustafa C. & Kıyak, Suat, 2008, An Annotated checklist and key to the Turkish Elongated Water Scavenger Beetles (Coleoptera: Hydrochidae), Baltic Journal of Coleopterology 8 (2), pp. 149-154 : 151 151
Hydrochus tarsalis     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 : 52 52
Hydrochus variolatus     Perkins, Philip D., 2021, Taxonomy of Central American water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae), Zootaxa 4974 (3), pp. 459-503 : 481 481
Hydrochus triangularis   sp. nov.  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 : 36-37 36-37
Hydrochus argutus     Perkins, Philip D., 2019, Type designations for Neotropical water beetles in the genus Hydrochus Leach 1817 (Coleoptera: Hydrochidae), Zootaxa 4701 (2), pp. 149-167 : 151-152 151-152
Hydrochus     Perkins, Philip D., 2019, Taxonomy of Venezuelan water beetles in the genus Hydrochus Leach, 1817, and an analysis of male genitalia morphology (Coleoptera: Hydrochidae), Zootaxa 4708 (1), pp. 1-59 : 8-10 8-10
Hydrochus metallipes     Perkins, Philip D., 2019, Type designations for Neotropical water beetles in the genus Hydrochus Leach 1817 (Coleoptera: Hydrochidae), Zootaxa 4701 (2), pp. 149-167 : 156-157 156-157
Hydrochus basilaris     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 41
Hydrochus hellmani   sp. nov.  Perkins, Philip D., 2019, Taxonomy of Venezuelan water beetles in the genus Hydrochus Leach, 1817, and an analysis of male genitalia morphology (Coleoptera: Hydrochidae), Zootaxa 4708 (1), pp. 1-59 : 40-42 40-42
Hydrochus lobatus   sp. nov.  Perkins, Philip D., 2019, Taxonomy of Venezuelan water beetles in the genus Hydrochus Leach, 1817, and an analysis of male genitalia morphology (Coleoptera: Hydrochidae), Zootaxa 4708 (1), pp. 1-59 : 42 42
Hydrochus ampliarmus   sp. nov.  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 : 16-17 16-17
Hydrochus bituberculatus   sp. nov.  Perkins, Philip D., 2019, Taxonomy of Venezuelan water beetles in the genus Hydrochus Leach, 1817, and an analysis of male genitalia morphology (Coleoptera: Hydrochidae), Zootaxa 4708 (1), pp. 1-59 : 11 11
Hydrochus spinosus   sp. nov.  Perkins, Philip D., 2020, Taxonomy of Peruvian water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae), Zootaxa 4868 (1), pp. 61-89 : 77-79 77-79
Hydrochus clandestinus   sp. nov.  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 : 20 20
Hydrochus beeneni   stat. nov.  Perkins, Philip D., 2021, Taxonomy of Central American water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae), Zootaxa 4974 (3), pp. 459-503 : 471-472 471-472
Hydrochus bicarinatus   sp. nov.  Perkins, Philip D., 2019, Taxonomy of Venezuelan water beetles in the genus Hydrochus Leach, 1817, and an analysis of male genitalia morphology (Coleoptera: Hydrochidae), Zootaxa 4708 (1), pp. 1-59 : 23-24 23-24
Hydrochus obscurus     Perkins, Philip D., 2021, Taxonomy of Central American water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae), Zootaxa 4974 (3), pp. 459-503 : 477-478 477-478
Hydrochus pertuberculatus     Perkins, Philip D., 2021, Taxonomy of Central American water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae), Zootaxa 4974 (3), pp. 459-503 : 478 478
Hydrochus bernardi     Perkins, Philip D., 2021, Taxonomy of Central American water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae), Zootaxa 4974 (3), pp. 459-503 : 473 473
Hydrochus conjunctus   sp. nov.  Perkins, Philip D., 2019, Taxonomy of Venezuelan water beetles in the genus Hydrochus Leach, 1817, and an analysis of male genitalia morphology (Coleoptera: Hydrochidae), Zootaxa 4708 (1), pp. 1-59 : 55-56 55-56
Hydrochus bicarinatus     Perkins, Philip D., 2020, Taxonomy of Ecuadorian water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae), Zootaxa 4790 (2), pp. 358-374 : 370 370
Hydrochus denarius     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 : 43 43
Hydrochus cracentis     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 : 43 43
Hydrochus variabilis     Perkins, Philip D., 2019, Type designations for Neotropical water beetles in the genus Hydrochus Leach 1817 (Coleoptera: Hydrochidae), Zootaxa 4701 (2), pp. 149-167 : 162-164 162-164
Hydrochus secretus     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 51
Hydrochus ignicollis     Litovkin, S. V. & Efimov, D. A., 2020, Beetles of the superfamily Hydrophiloidea of Kemerovo Area, Russian Entomological Journal 29 (1), pp. 61-68 : 64 64
Hydrochus nitidicollis     Benamar, Loubna, Bennas, Nard, Henegouwen, Arno Van Berge, García-Meseguer, Antonio José, Hassoun, Mustapha, Benali, Naouar & Millán, Andrés, 2024, The Hydrochidae (Coleoptera) of Morocco with a redescription of Hydrochus cf. obtusicollis Fairmaire, 1877, Zootaxa 5458 (2), pp. 197-228 : 201 201
Hydrochus canalis   sp. nov.  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 : 19 19
Hydrochus ignicollis     Darılmaz, Mustafa C. & Kıyak, Suat, 2008, An Annotated checklist and key to the Turkish Elongated Water Scavenger Beetles (Coleoptera: Hydrochidae), Baltic Journal of Coleopterology 8 (2), pp. 149-154 : 151 151
Hydrochus argutoides   sp. nov.  Perkins, Philip D., 2021, Taxonomy of Central American water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae), Zootaxa 4974 (3), pp. 459-503 : 465 465
Hydrochus obscurus     Perkins, Philip D., 2019, Taxonomy of Venezuelan water beetles in the genus Hydrochus Leach, 1817, and an analysis of male genitalia morphology (Coleoptera: Hydrochidae), Zootaxa 4708 (1), pp. 1-59 : 29-32 29-32
Hydrochus argutus     Perkins, Philip D., 2020, Taxonomy of Ecuadorian water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae), Zootaxa 4790 (2), pp. 358-374 : 369-370 369-370
Hydrochus flavipennis     Darılmaz, Mustafa C. & Kıyak, Suat, 2008, An Annotated checklist and key to the Turkish Elongated Water Scavenger Beetles (Coleoptera: Hydrochidae), Baltic Journal of Coleopterology 8 (2), pp. 149-154 : 150-151 150-151
Hydrochus purpureus     Perkins, Philip D., 2019, Type designations for Neotropical water beetles in the genus Hydrochus Leach 1817 (Coleoptera: Hydrochidae), Zootaxa 4701 (2), pp. 149-167 : 159-160 159-160
Hydrochus piroei     Perkins, Philip D., 2020, Taxonomy of Ecuadorian water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae), Zootaxa 4790 (2), pp. 358-374 : 373 373
Hydrochus nayaritensis   sp. nov.  Perkins, Philip D., 2021, Taxonomy of Central American water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae), Zootaxa 4974 (3), pp. 459-503 : 469-470 469-470
Hydrochus panamensis   sp. nov.  Perkins, Philip D., 2021, Taxonomy of Central American water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae), Zootaxa 4974 (3), pp. 459-503 : 470 470
Hydrochus trituberculatus   sp. nov.  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 : 37 37
Hydrochus denarius   sp. nov.  Perkins, Philip D., 2019, Taxonomy of Venezuelan water beetles in the genus Hydrochus Leach, 1817, and an analysis of male genitalia morphology (Coleoptera: Hydrochidae), Zootaxa 4708 (1), pp. 1-59 : 46-48 46-48
Hydrochus baloghi     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 : 40 40
Hydrochus leei   sp. nov.  Perkins, Philip D., 2019, Taxonomy of Venezuelan water beetles in the genus Hydrochus Leach, 1817, and an analysis of male genitalia morphology (Coleoptera: Hydrochidae), Zootaxa 4708 (1), pp. 1-59 : 50-52 50-52
Hydrochus kellymilleri   sp. nov.  Perkins, Philip D., 2019, Taxonomy of Venezuelan water beetles in the genus Hydrochus Leach, 1817, and an analysis of male genitalia morphology (Coleoptera: Hydrochidae), Zootaxa 4708 (1), pp. 1-59 : 48-50 48-50
Hydrochus astrictus   sp. nov.  Perkins, Philip D., 2020, Taxonomy of Peruvian water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae), Zootaxa 4868 (1), pp. 61-89 : 66-67 66-67

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