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Richards, W. R.
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ACYRTHOSIPHON PEDICULAR1S, A NEW APHID FROM THE DISTRICT OF KEEWATIN, WITH A KEY TO THE CANADIAN SPECIES (HOMOPTERA: APHIDIDAE)
by
Richards, W. R.
Published in
The Canadian Entomologist
(1972)
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2
THE PTEROCOMMA OF CANADA AND GREENLAND WITH NOTES ON THE PHYLETIC POSITION OF THE PTEROCOMMATINI (HOMOPTERA: APHIDIDAE)
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Richards, W. R.
Published in
The Canadian Entomologist
(1967)
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3
A New Species and a New Subgenus of Sitomyzus Hille Ris Lambers (Homoptera: Aphididae)
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Richards, W. R.
Published in
The Canadian Entomologist
(1960)
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4
North American Börnerina Bramstedt and Betulaphis Glendenning (Homoptera: Aphididae)
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Richards, W. R.
Published in
The Canadian Entomologist
(1961)
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5
A New Arctic Aphid (Homoptera: Aphididae)
by
Richards, W. R.
Published in
The Canadian Entomologist
(1964)
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6
The Scale Insects of the Canadian Arctic (Homoptera: Coccoidea)
by
Richards, W. R.
Published in
The Canadian Entomologist
(1964)
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7
Two New Species of Aphids from Eastern Boreal and Arctic Canada (Homoptera: Aphididae)
by
Richards, W. R.
Published in
The Canadian Entomologist
(1961)
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Richards, W. R.
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Ecology, Evolution, Behavior and Systematics
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