September, 1941 KNIGHT: PLANT Bucs, or MiripAz, or ILLINOIS 9 
Fig. 8.—Edge of the white pine forest at White Pines Forest State Park, Hl. Four species of 
Miridae are restricted to white pine, three of them to native stands. 
Fig. 9.—Cypress along the shore of Horseshoe Lake, northwest of Cairo, Ill. Five species of 
Illinois Miridae feed only on cypress trees. Another species, PAytocoris erectus, has been collected 
in this state on cypress, but is known to feed not on this tree but on various other, soft-bodied 
insects that feed on the cypress. 
