A checklist of the American bidessini (Coleoptera: Dytiscidae-Hydroporinae) /
Young, Frank N.
A checklist of the American bidessini (Coleoptera: Dytiscidae-Hydroporinae) / Frank N. Young. - Washington : Smithsonian Institution Press, 1969. - 5 p. : ill. ; 27 cm. - Smithsonian contributions to zoology ; 33 .
A checklist of the American bidessini (Coleoptera: Dytiscidae-Hydroporinae) / Frank N. Young. - Washington : Smithsonian Institution Press, 1969. - 5 p. : ill. ; 27 cm. - Smithsonian contributions to zoology ; 33 .