books.google.com.auhttp://books.google.com.au/books/about/A_comparative_taxonomic_natural_history.html?id=rFwgAQAAMAAJ&utm_source=gb-gplus-shareA comparative taxonomic-natural history study of eight Nearctic species of Gnorimoschema that induce stem galls on Asteraceae, including descriptions of three new species (Lepidoptera: Gelechiidae)
