6 public-domain matches

Hemiptera

Cover of The biology and ecology of aquatic and semi-aquatic Hemiptera

The biology and ecology of aquatic and semi-aquatic Hemiptera

Herbert Barker Hungerford

Cover of On the genus Halobates, Esch., and other marine hemiptera

On the genus Halobates, Esch., and other marine hemiptera

Walker, J.J. (James John), 1851-1939

Cover of A Revision Of The Genus Trepobates Uhler (Hemiptera: Gerridae)

A Revision Of The Genus Trepobates Uhler (Hemiptera: Gerridae)

Paul David Kittle

Cover of Die europäischen hemiptera Halbflüger. Rhynchota Heteroptera.

Die europäischen hemiptera Halbflüger. Rhynchota Heteroptera.

Franz Xaver Fieber

Cover of Orthoptera and Hemiptera

Orthoptera and Hemiptera

A. Butler

Cover of Notes on some Flagellate Infections Found in Certain Hemiptera in Uganda

Notes on some Flagellate Infections Found in Certain Hemiptera in Uganda

M. Robertson