Metapnystega: that circular area of metanotum behind the postscutellum.
Metapodeon: the abdomen behind the podeon or petiole in Hymenoptera.
Metasternal: relating or attached to the metasternum.
Metasternal epimera: small sclerite separating the metasternal episterna from the ventral segments.
Metasternal episterna: sclerite situated on each side of the metasternum, immediately behind the mesosternum epimera.
Metasternellum: the sternellum of the metathorax.
Metasternum: the underside or breast of the metathorax.
Meta-stethidium: = meta-thorax; q.v.
Metastigma: in Odonata, the spiracles of third thoracic segment.
Metastoma: in Orthoptera:= hypopharynx: q.v.