part of adult mesothoracic wing wing fringe Fig 17 Abbr: WF in ISBN:0-937548-00-6. In many winged insects, one or more rows of setae or scales projecting beyond the wing margin. In mosquitoes, consisting of four rows of scales, one of fringe scales, one of secondary fringe scales and two of tertiary fringe scales; best developed from just beyond the alula around the posterior margin of the wing to near the wing apex. TGMA:0000238 TGMA:0000238 border-fringe default_namespace frange fringe