part of pupal gnathal appendages pupal clypeus Fig 73,74 Abbr: Clp in ISBN:0-937548-00-6. TGMA:0000949 TGMA:0000949 The median facial area usually bounded above by the epistomal suture and below by the clypeolabral suture. In mosquito pupae, the usually poorly delimited, conspicuously bulged area between the anterior margins of the lateralia. clypeal plate clypeal sheath default_namespace labrum upper lip