The internal and histological anatomy of the
alimentary canal differs from an insect to another,
which it was different in metabolous insects , differs in
the larval and adult stage. In honeybee insect Apis
mellifera, the alimentary canal in the larvae consists of
the foregut with esophageal valve, the midgut, which
differentiates also, and hind gut, including ileum and
rectum (Snodgrass, 1984). In contrast, the alimentary
canal in the adult stage consists of the foregut,
including pharynx, esophagus, crop and gizzard, and
