Media type: E-Article Title: Attraction ofCacopsylla pyricola(Hemiptera: Psyllidae) to Female Psylla in Pear Orchards Contributor: Brown, Robert L.; Landolt, Peter J.; Horton, David R.; Zack, Richard S. Published: Oxford University Press (OUP), 2009 Published in: Environmental Entomology, 38 (2009) 3, Seite 815-822 Language: English DOI: 10.1603/022.038.0335 ISSN: 0046-225X; 1938-2936 Origination: Footnote: