mesepimeral seta lower mesepimeral seta Fig 13,16 Abbr: MeSL in ISBN:0-937548-00-6. Hinterhaar One of the setae occurring in groups on the anterior, middle and/or posterior area of the mesanepimeron below the level of the metathoracic spiracle. TGMA:0000315 TGMA:0000315 anterior epimeral hair anterior mesepimeral bristle default_namespace epimeral hair lower hypopleural bristle lower mesepimeral bristle lower mesepimeral group mesepimeral seta middle mesepimeral bristle posterior mesepimeral bristle