CASC:INV
USA, California, El Dorado
CASC:INV
USA, California, Humboldt
CASC:INV
USA, California, Inyo
CASC:INV
USA, California, Lake
CASC:INV
USA, California, Lassen
CASC:INV
USA, California, Lassen Natl. Park
CASC:INV
USA, California, Marin
CASC:INV
USA, California, Modoc
CASC:INV
USA, California, Mono
CASC:INV
USA, California, Nevada
CASC:INV
USA, California, Sierra
CASC:INV
USA, California, Yosemite Natl. Park
CASC:INV
Gerris gracilicornis Horvath
Japan
CASC:INV
Gerris gracilicornis Horvath
Korea (unspecified)
CASC:INV
Gerris gracilicornis Horvath
Nepal
CASC:INV
Gerris gracilicornis yezoensis
Japan
CASC:INV
Gerris gracilicornis yezoensis
Unknown (PA)
CASC:INV
USA, Alaska
CASC:INV
USA, Idaho
CASC:INV
USA, Oregon
CASC:INV
USA, Washington
CASC:INV
USA, California, Alameda
CASC:INV
USA, California, Alpine
CASC:INV
USA, California, Glenn
CASC:INV
USA, California, Humboldt
CASC:INV
USA, California, Inyo
CASC:INV
USA, California, Lake
CASC:INV
USA, California, Lassen Natl. Park
CASC:INV
USA, California, Marin
CASC:INV
USA, California, Mendocino
CASC:INV
USA, California, Monterey
CASC:INV
USA, California, Orange
CASC:INV
USA, California, Shasta
CASC:INV
USA, California, Siskiyou
CASC:INV
USA, California, Sonoma
CASC:INV
USA, California, Tulare
CASC:INV
USA, Alabama
CASC:INV
USA, Massachusetts
CASC:INV
USA, Mississippi
CASC:INV
USA, New York
CASC:INV
USA, Pennsylvania
CASC:INV
Algeria
CASC:INV
France
CASC:INV
Germany
CASC:INV
Italy
CASC:INV
United Kingdom
CASC:INV
Gerris lacustris latiabdominus Miyomoto
Japan
CASC:INV
Canada, Alberta
CASC:INV
Canada, Quebec
CASC:INV
USA, Colorado
CASC:INV
USA, Connecticut
CASC:INV
USA, Iowa
CASC:INV
USA, Maine
CASC:INV
USA, Maryland
CASC:INV
USA, Massachusetts
CASC:INV
USA, Michigan
CASC:INV
USA, Mississippi
CASC:INV
USA, New Jersey
CASC:INV
USA, New York
CASC:INV
USA, North Carolina
CASC:INV
USA, Ohio
CASC:INV
USA, Pennsylvania
CASC:INV
USA, South Dakota
CASC:INV
USA, Texas
CASC:INV
USA, Vermont
CASC:INV
USA, Wisconsin
CASC:INV
Gerris najas (DeGeer)
France
CASC:INV
Gerris najas (DeGeer)
Germany
CASC:INV
Gerris najas (DeGeer)
Italy
CASC:INV
Gerris najas (DeGeer)
United Kingdom
CASC:INV
USA, Tennessee
CASC:INV
Gerris notabilis Drake & Hottes
Canada, British Columbia
CASC:INV
Gerris notabilis Drake & Hottes
USA, Arizona
CASC:INV
Gerris notabilis Drake & Hottes
USA, Colorado
CASC:INV
Gerris notabilis Drake & Hottes
USA, Idaho
CASC:INV
Gerris notabilis Drake & Hottes
USA, Montana
CASC:INV
Gerris notabilis Drake & Hottes
USA, Utah
CASC:INV
Gerris notabilis Drake & Hottes
USA, Washington
CASC:INV
Gerris notabilis Drake & Hottes
USA, Wyoming
CASC:INV
Gerris notabilis Drake & Hottes
USA, California, Alameda
CASC:INV
Gerris notabilis Drake & Hottes
USA, California, Butte
CASC:INV
Gerris notabilis Drake & Hottes
USA, California, El Dorado
CASC:INV
Gerris notabilis Drake & Hottes
USA, California, Inyo
CASC:INV
Gerris notabilis Drake & Hottes
USA, California, Madera
CASC:INV
Gerris notabilis Drake & Hottes
USA, California, Tehama
CASC:INV
Gerris odontogaster Zetterstedt
Germany
CASC:INV
Gerris odontogaster Zetterstedt
United Kingdom
CASC:INV
Gerris orba Stí«l
USA, California, Humboldt
CASC:INV
Gerris paludum Fabricius
China (PA)
CASC:INV
Gerris paludum Fabricius
France
CASC:INV
Gerris paludum Fabricius
Japan
CASC:INV
Gerris paludum amamiensis Miyomoto
Japan
CASC:INV
Gerris paludum amamiensis Miyomoto
Philippines
CASC:INV
Gerris paludum imulavis Miyomoto
China (OR)
CASC:INV
Canada, British Columbia
CASC:INV
Canada, Manitoba
CASC:INV
Canada, Ontario
CASC:INV
Canada, Quebec
CASC:INV
Mexico, Baja California Norte
CASC:INV
Mexico, Baja California Sur