Family Dryopidae UW-Madison-Entomology
Insect Research Collection 
Dryopidae
      Dryopinae
                  Helichus basalis LeConte
                  H. immsi
                  H. lithophilus (Germ.)
                  H. productus LeConte
                  H. striatus LeConte
                  H. suturalis LeConte
                  Helichus sp.
                  Pelonomus obscurus LeC.
Families List Orders List