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CORNICLE LENGTH AS A CRITERION FOR SEPARATING FIELD-COLLECTED NYMPHAL INSTARS OF THE PEA APHID, ACYRTHOSIPHON PISUM (HOMOPTERA: APHIDIDAE)
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- Journal:
- The Canadian Entomologist / Volume 115 / Issue 12 / December 1983
- Published online by Cambridge University Press:
- 31 May 2012, pp. 1615-1619
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- Article
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