part of larval dorsal apotome larval frons TGMA:0001197 TGMA:0001197 The dorsal topographic area of the insect head lying behind (or "dorsal" to) the clypeus; delimited posteriorly and laterally in various ways and in different insects and stages and thus not morphologically equivalent except in limited cases; usually bearing the origins of the dorsal pharyngeal muscles and most labral muscles. In mosquito larvae, arbitrarily regarded as the posterior part of the dorsal apotome behind the undeveloped transverse part of the epistomal suture. default_namespace front