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Taxa hierarchy  

synonym Byrsocrypta spiriformis Kirkaldy, 1906

• Nomenclatural details:   Subsequent misspelling (Correct spelling is pyriformis)
• Citations (5):
  • Kirkaldy. 1906. The Canadian Entomologist 38(1):16 >> Byrsocrypta spiriformis
  • Schouteden. 1907[1906]. Annales de la Société Entomologique de Belgique 50:34 >> Byrsocrypta pyriformis
  • Börner. 1952. Mitteilungen der Thüringischen Botanischen Gesellschaft supplement 3(1):195 >> Pemphigus (Pemphigus) pyriformis
  • Steffan. 1972. In Schwenke [Ed.]. Die Forstschädlinge Europas. Ein Hanbuch in fünf Bänden. Erster Band: Würmer, Schnecken, Spinnentiere, Tausendfüssler und hemimetabole Insekten 326 >> Pemphigus spiriformis
  • Eastop & Hille Ris Lambers. 1976. Survey of the World’s Aphids 344 >> Note: lapsus pro pyriformis >> Pemphigus spiriformis

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