Head of the larvae of  Bibio  pomonae FABR.  ( Bibionidae). Dorsal view.
lbr = upper lip.
md = mandible.
fr = forehead.
(After KRIVOSJEINA, 1969)

Head of the larvae of  Bibio  pomonae FABR.  ( Bibionidae). Ventral view.
lb = lower lip.
md = mandible.
mx = maxilla.
(After KRIVOSJEINA, 1969)