Sub-falcate: when a wing is only a little excavated below the apex.
Subfamily: a division of classification containing a group of closely allied genera; different from other allied groups, yet not so as to make a family series: opinionative, and ending in -inae.
Sub-fossorial: legs used in digging: yet not greatly modified.
Sub-frontal: close to the front; immediately behind the front margin.
Sub-fulcrum: a sclerite between mentum and palpiger: rarely present.
Sub-fusiform: somewhat spindle-shaped.
Subgalea: a maxillary sclerite or segment, attached to the stipes, and bearing the galea or outer lobe.
Sub-geniculate: applied to antennae that are articulated from a short, thick scope.
Subgenital lamina or plates: plates underlying the genital organs in Orthoptera.
Subgenus: a division within a genus, based upon a character not sufficient for generic separation; opinionative.