1.
Revision of Hymenopterous Insects of the Tribe Cremastini of America North of Mexico
by Cushman, Robert Asa
ISBN: 9781178845365
List Price: $17.75
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Descriptions of New North American Ichneumon-Flies
by Cushman, Robert Asa
ISBN: 9781174946202
List Price: $15.75
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Eight New Species of Reared Ichneumon-Flies : With Notes on Some Other Species (1917)
by Cushman, Robert Asa
ISBN: 9781169391253
List Price: $24.76
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Descriptions of New North American Ichneumon-Flies
by Cushman, Robert Asa
ISBN: 9781169516083
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North American Ichneumon-Flies, New and Described, with Taxonomic and Nomenclatorial Notes
by Cushman, Robert Asa
ISBN: 9781169645707
List Price: $24.76
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Eight New Species of Reared Ichneumon-Flies : With Notes on Some Other Species (1917)
by Cushman, Robert Asa
ISBN: 9781166899264
List Price: $12.76
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Descriptions of New North American Ichneumon-Flies
by Cushman, Robert Asa
ISBN: 9781166407117
List Price: $12.76
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Holarctic Tribes of the Ichneumon-Flies of the Subfamily Ichneumoninae : Pimplinae (1920)
by Cushman, Robert Asa, Rohwer...
ISBN: 9781169424944
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North American Ichneumon-Flies of the Genera Clistopyga and Schizopyga
by Cushman, Robert Asa
ISBN: 9781169393066
List Price: $24.76
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Cherry Leaf-Beetle : A Periodically Important Enemy of Cherries (1916)
by Cushman, Robert Asa, Isely,...
ISBN: 9781169560185
List Price: $24.76
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North American Ichneumon-Flies of the Tribe Ephialtini
by Cushman, Robert Asa
ISBN: 9781286442524
List Price: $15.75
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North American Ichneumon-Flies of the Tribe Acoconitini
by Cushman, Robert Asa, Siever...
ISBN: 9781286589434
List Price: $15.75
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Holarctic Tribes of the Ichneumon-Flies of the Subfamily Ichneumoninae : Pimplinae (1920)
by Cushman, Robert Asa, Rohwer...
ISBN: 9781166902483
List Price: $12.76
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Cherry Leaf-Beetle : A Periodically Important Enemy of Cherries (1916)
by Cushman, Robert Asa, Isely,...
ISBN: 9781166912819
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North American Ichneumon-Flies, New and Described, with Taxonomic and Nomenclatorial Notes
by Cushman, Robert Asa
ISBN: 9781167037061
List Price: $12.76
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North American Ichneumon-Flies of the Genera Clistopyga and Schizopyga
by Cushman, Robert Asa
ISBN: 9781167032813
List Price: $12.76
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Descriptions of New North American Ichneumon-Flies
by Cushman, Robert Asa
ISBN: 9781162068015
List Price: $30.95
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Cherry Leaf-Beetle : A Periodically Important Enemy of Cherries (1916)
by Cushman, Robert Asa, Isely,...
ISBN: 9781162180670
List Price: $30.95
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Eight New Species of Reared Ichneumon-Flies : With Notes on Some Other Species (1917)
by Cushman, Robert Asa
ISBN: 9781162167121
List Price: $30.95
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Holarctic Tribes of the Ichneumon-Flies of the Subfamily Ichneumoninae : Pimplinae (1920)
by Cushman, Robert Asa, Rohwer...
ISBN: 9781162170343
List Price: $30.95
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North American Ichneumon-Flies, New and Described, with Taxonomic and Nomenclatorial Notes
by Cushman, Robert Asa
ISBN: 9781162221755
List Price: $30.95
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North American Ichneumon-Flies of the Genera Clistopyga and Schizopyga
by Cushman, Robert Asa
ISBN: 9781162217505
List Price: $30.95
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The Cherry Leaf-Beetle: A Periodically Important Enemy Of Cherries (1916)
by Cushman, Robert Asa, Isely,...
ISBN: 9781120735256
List Price: $15.95
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North American Ichneumon-Flies Of The Genera Clistopyga And Schizopyga (1921)
by Cushman, Robert Asa
ISBN: 9781120747372
List Price: $15.95
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North American Ichneumon-Flies, New And Described, With Taxonomic And Nomenclatorial Notes (...
by Cushman, Robert Asa
ISBN: 9781120747365
List Price: $15.95