part of larval epistomal suture Fig 33,35,37,38,40,41,42 Abbr: EpS in ISBN:0-937548-00-6. TGMA:0000718 TGMA:0000718 The suture marking the boundary between the frons and clypeus; terminating laterally in the anterior tentorial pits; often incomplete. In mosquito larvae, incomplete mesally, prominent just lateral to the part of the frontal ecdysial line posteromesal to the antennal socket, continuing ventromesad along the cibarial bar and ending at the anterior tentorial pit. default_namespace epicranial plate anatomical line