CASC:INV
Ophiogomphus anomalus Harvey 1898
Canada, Quebec
CASC:INV
Ophiogomphus arizonicus Kennedy 1917
USA, Arizona
CASC:INV
USA, California, Humboldt
CASC:INV
USA, California, Santa Clara
CASC:INV
USA, California, Stanislaus
CASC:INV
USA, Oregon
CASC:INV
USA, California, Marin
CASC:INV
USA, California, Mendocino
CASC:INV
USA, California, Monterey
CASC:INV
USA, California, Plumas
CASC:INV
USA, California, Sonoma
CASC:INV
USA, California, Trinity
CASC:INV
USA, Nevada
CASC:INV
USA, California, Inyo
CASC:INV
USA, California, Lassen
CASC:INV
USA, California, Nevada
CASC:INV
USA, California, Shasta
CASC:INV
Canada, British Columbia
CASC:INV
USA, Oregon
CASC:INV
USA, California, Trinity
CASC:INV
Ophiogomphus severus Hagen 1874
USA, Colorado
CASC:INV
Ophiogomphus severus Hagen 1874
USA, Idaho
CASC:INV
Ophiogomphus severus Hagen 1874
USA, Montana
CASC:INV
Ophiogomphus severus Hagen 1874
USA, Oregon
CASC:INV
Ophiogomphus severus Hagen 1874
USA, Washington
CASC:INV
Ophiogomphus severus montanus (Selys 1878)
USA, Oregon
CASC:INV
Ophiogomphus severus severus Hagen 1874
Canada, Alberta
CASC:INV
Ophiogomphus severus severus Hagen 1874
USA, Montana
CASC:INV
Ophiogomphus severus severus Hagen 1874
USA, New Mexico
CASC:INV
USA, Minnesota
CASC:INV
USA, Wisconsin
CASC:INV
USA, USA unknown state
CASC:INV
Ophiogomphus acuminatus Carle, 1981
USA, Tennessee
CASC:INV
USA, California, Butte
CASC:INV
USA, California, Stanislaus
CASC:INV
Ophiogomphus carolus Needham, 1897
USA, Maine
CASC:INV
Ophiogomphus cecilia (Fourcroy, 1785)
Finland
CASC:INV
Ophiogomphus colubrinus Selys 1854
USA, Wisconsin
CASC:INV
USA, Washington
CASC:INV
Ophiogomphus rupinsulensis (Walsh, 1862)
USA, Kentucky
CASC:INV
Ophiogomphus severus Hagen 1874
Canada, British Columbia
CASC:INV
Ophiogomphus spp.
USA, California, Trinity