Journal of economic entomology 109 (2016): 920–929. doi:10.1093/jee/tov382 info:cnr-pdr/source/autori:I. Rigamonti, C. Brambilla, E. Colleoni, M. Jermini, V. Trivellone, and J. Baumgartner/titolo:Spatial distribution and samplig plans for gravepine palnt canopy-inhabiting Scaphoideus titanus nymphs/doi:10.1093%2Fjee%2Ftov382/rivista:Journal of economic entomology/anno:2016/pagina_da:920/pagina_a:929/intervallo_pagine:920–929/volume:109