Division Fidicinaria .

Key to Genera.

Metasternum with transverse central plate not angularly produced anteriorly ................ Genus Proarna .

Metastemum with transverse central elevated plate an ­ gularly produced anteriorly.

Head including eyes about equal in breadth to base of mesonotum; eyes not porrect......Genus FiDicina .

Head including eyes considerably broader than base of mesonotum; eyes porrect, somewhat stylate.

Pronotum about equal in length to mesonotum; in ­ ner margins of tympanal coverings in male very concave.......................................Genus.. Hemisciera .

Pronotum shorter than mesonotum; inner margins of tympanal coverings in male not concave...... .......................................................Genus MaJeorona .