Part 90

Metaphragma: the hindmost internal thoracic septum.

Metapleura: in Diptera, a swollen space at the outside of the metanotum, between it, the pteropleura and the hypopleura; in Hymenoptera, the piece behind and below the insertion of the hind wings.

Metapleural bristles: in Diptera, are inserted in the metapleura.

Metapneustic: larva, chiefly dipterous, in which the spiracles are confined to the posterior segment.

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.

Metatarsus: applied to basal joint of tarsus, where that differs greatly in length or otherwise from the other joints: see sarothrum.

Metatergum: = metanotum; q.v.

Metathoracotheca: the pupal covering of the meta-thorax.

Metathorax: the third thoracic ring or segment; bears the hind legs and second pair of wings; variably distinct; sometimes closely united with the mesothorax and sometimes appearing as a portion of the abdomen.

Metatype: is a specimen named by the author after comparison with the type; according to some, it should be also a topotype.

Metazona: in Orthoptera, the dorsal surface of the prothorax behind the principal sulcus.

Metepimeron: in Odonata, lies behind the second lateral suture and extends ventrally to the sternum.

Metepisternum: in Odonata, is the sclerite between the first and second lateral thoracic sutures.

Meter: the standard of length in the metric system = 39.37 inches: see centimeter and millimeter.

Meticulose -us: is a maculation in the form of a series of colored flames.

Metinfraepisternum: in Odonata; the sclerite just above base of 3d coxa; below metepisternum and before metepimeron.

Metochy: the relation borne to ants by the tolerated guests in ant-hills; demanding nothing from and giving nothing to the ants; see symphily and synecthry.

Metopidium: the anterior declivous surface of prothorax in Membracidae.

Micans: shining: also a surface of which only parts are shining.