CASC:INV
Hydrochus bimaculatus Hellman
Mexico, San Luis Potosi
CASC:INV
Hydrochus bimaculatus Hellman
USA, Arizona
CASC:INV
Hydrochus bimaculatus Hellman
Mexico, Baja California Sur
CASC:INV
Hydrochus woodi Hellman
USA, Florida
CASC:INV
Hydrochus woodi Hellman
USA, Georgia
CASC:INV
Hydrochus woodi Hellman
USA, South Carolina
CASC:INV
Canada, Quebec
CASC:INV
USA, Illinois
CASC:INV
USA, Iowa
CASC:INV
USA, Massachusetts
CASC:INV
USA, Michigan
CASC:INV
USA, New Jersey
CASC:INV
USA, New York
CASC:INV
USA, Ohio
CASC:INV
USA, Virginia
CASC:INV
Hydrochus sagittarius Hellman
Venezuela
CASC:INV
Hydrochus prolatus Hellman
USA, Florida
CASC:INV
Hydrochus prolatus Hellman
USA, Mississippi
CASC:INV
Hydrochus prolatus Hellman
USA, New York
CASC:INV
Hydrochus prolatus Hellman
USA, South Carolina
CASC:INV
Hydrochus leechi Hellman
Mexico, Nayarit
CASC:INV
Hydrochus youngi Hellman
USA, Florida
CASC:INV
Hydrochus youngi Hellman
USA, Georgia
CASC:INV
Canada, Quebec
CASC:INV
USA, Wisconsin
CASC:INV
Hydrochus mexicanus Hellman
Mexico, Nayarit
CASC:INV
Hydrochus breviculus Hellman
Mexico, Sonora
CASC:INV
Hydrochus calcar Hellman
Mexico, Nayarit
CASC:INV
Hydrochus gemmatus Balfour-Browne
USA, Pennsylvania
CASC:INV
Hydrochus toltecus Hellman
Mexico, San Luis Potosi
CASC:INV
Hydrochus costulifer Balfour-Browne
Cameroon
CASC:INV
Hydrochus falsus Hellman
USA, Arkansas
CASC:INV
Hydrochus percultus Hellman
Venezuela
CASC:INV
Hydrochus sandrae Hellman
USA, Florida
CASC:INV
Hydrochus undulatus Hellman
USA, North Carolina
CASC:INV
Canada, Quebec
CASC:INV
Hydrochus angustatus Germar 1824
Austria
CASC:INV
Hydrochus angustatus Germar 1824
Spain
CASC:INV
Hydrochus angustatus Germar 1824
United Kingdom
CASC:INV
Hydrochus brevis (Herbst 1793)
Germany
CASC:INV
Hydrochus brevis (Herbst 1793)
Poland
CASC:INV
Hydrochus brevitarsus Knisch 1922
Canada, Quebec
CASC:INV
USA, Florida
CASC:INV
USA, Georgia
CASC:INV
USA, Texas
CASC:INV
Hydrochus carinatus Germar 1824
Denmark
CASC:INV
Hydrochus carinatus Germar 1824
Germany
CASC:INV
Hydrochus carinatus Germar 1824
Hungary
CASC:INV
Hydrochus carinatus Germar 1824
Unknown (PA)
CASC:INV
Canada, British Columbia
CASC:INV
Canada, Quebec
CASC:INV
USA, Michigan
CASC:INV
Mexico, Veracruz
CASC:INV
Hydrochus diversiceps Blackburn 1898
Australia
CASC:INV
Hydrochus elongatus (Schaller 1783)
Denmark
CASC:INV
Hydrochus elongatus (Schaller 1783)
Germany
CASC:INV
Hydrochus elongatus (Schaller 1783)
Poland
CASC:INV
Hydrochus elongatus (Schaller 1783)
Russia, Russia
CASC:INV
USA, Florida
CASC:INV
Mexico, San Luis Potosi
CASC:INV
USA, Texas
CASC:INV
USA, Florida
CASC:INV
USA, New Jersey
CASC:INV
USA, Wisconsin
CASC:INV
Hydrochus interruptus Heyden 1870
Spain
CASC:INV
Hydrochus japonicus Sharp 1873
Philippines
CASC:INV
Hydrochus nitidicollis Mulsant 1844
France
CASC:INV
Mexico, Campeche
CASC:INV
Mexico, Nayarit
CASC:INV
Mexico, San Luis Potosi
CASC:INV
Hydrochus parallelus MacLeay 1873
Australia
CASC:INV
USA, Wisconsin
CASC:INV
USA, California, Shasta
CASC:INV
USA, California, Trinity
CASC:INV
Hydrochus punctulatus Hellman
USA, Alabama
CASC:INV
Hydrochus regularis Blackburn 1888
Australia
CASC:INV
USA, Florida
CASC:INV
USA, Kansas
CASC:INV
USA, Louisiana
CASC:INV
USA, New York
CASC:INV
USA, Ohio
CASC:INV
USA, South Carolina
CASC:INV
USA, Virginia
CASC:INV
USA
CASC:INV
USA, Arkansas
CASC:INV
USA, Florida
CASC:INV
USA, Georgia
CASC:INV
USA, South Carolina
CASC:INV
USA, Iowa
CASC:INV
USA, New Jersey
CASC:INV
USA, California, Napa
CASC:INV
USA, California, Trinity
CASC:INV
USA, Michigan
CASC:INV
USA, Florida
CASC:INV
Hydrochus sodalis Hellman
Mexico, San Luis Potosi
CASC:INV
Canada, British Columbia
CASC:INV
Canada, Manitoba
CASC:INV
Canada, Ontario
CASC:INV
Canada, Quebec
CASC:INV
Canada, Saskatchewan