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Taxa hierarchy  

nomen dubium Smynthurodes crassa Cockerell, 1903

• Citations (6):
  • Cockerell, W.P. 1903. Psyche 10:218 >> Tychea crassa    urn:lsid:Aphid.speciesfile.org:TaxonName:19580
  • Kirkaldy. 1906. The Canadian Entomologist 38(1):16 >> Tychea crassa
  • Palmer, M.A. 1952. The Thomas Say Foundation 5:376 >> Tychea crassa
  • Eastop & Hille Ris Lambers. 1976. Survey of the World’s Aphids 445 >> Note: nomen dubium >> Tychea crassa
  • Smith, C.F. & Parron. 1978. North Carolina Agricultural Experiment Station Technical Bulletin 255:139 >> Note: Palmer 1952 nomen dubious for Geoica >> Tychea crassa
  • Remaudière, G. & M. Remaudière. 1997. Catalogue of the World’s Aphididae 264 >> Note: W.P. Cockerell 1903 >> Tychea crassa

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