Key to the Subfamily Oedipodinae
Previous Step (I')
J Tegmina regularly
and evenly marked throughout with large dark patches; wing discs pale yellow,
wings with black band; mountains and foothills along the front range in
Trachyrhachys coronata (Scudder)
J' Tegmina irregularly
marked and blotched with dark brown, not more than two or three large blotches.
Wing discs usually colorless with black veins, occasionally yellow with
black bands; lateral lobes of pronotum usually with acute posterior angle;
tegmina with blotches forming rather distinct bands; widespread and common.
Trachyrhachys kiowa Thomas
K' Wing discs yellow
or red with apical one-third dark; lateral lobes of pronotum less acute
than in T. kiowa, sometimes approaching a 90' angle posteriorly;
tegmina with spots forming irregular bands; eastern foothills, extending
to plains in northern Colorado.
Grasshoppers of Colorado Contents