The spider-mite complex (Acarina: Tetranychoidea) in Missouri - Thewke, Siegfried E. (Contribution (United States. Entomology Research Division) Contribution (University of Missouri--Columbia. Agricultural Experiment Station) Museum contributions (University of Missouri). Monograph nContribution (United States. Entomology Research Division) nContribution (University of Missouri--Columbia. Agricultural Experiment Station) nMuseum contributions (University of Missouri). Monograph, 1970)