1049-9644/$ see front matter 2011 Elsevier Inc. A doi:10.1016/j.biocontrol.2011.06.014 ⇑ Corresponding author. Fax: +1 517 353 5598. E-mail address: [email protected] (B.P. Werling). Cultivation of biofuel crops could change agricultural landscapes, affecting natural enemies at multiple scales. We sampled five natural enemy families with sticky cards in three model biofuel habitats (corn, switch...
