Grasshoppers of Wyoming and the West
Entomology
Key to Subfamily Oedipodinae
Previous Step (F')G Dark bands present on face below antennae and on lateral lobes of pronotum; posterior angle of lateral lobes of pronotum usually broadly rounded; broad bands distinct on costal margin of tegmina; wing discs yellow or pink; widespread.
Head and pronotum
Mestobregma plattei (Thomas)
[Occasional specimens with lateral lobes of pronotum not broadly rounded, resembling Trachyrhachys kiowa; the curved dark band on the lateral lobes of the pronotum will indicate Mestobregma.]
G' Dark band absent below antennae and lateral lobes of pronotum; posterior angle of lateral lobes of pronotum not broadly rounded; tegmina usually with irregular bands or mottled.
 |
 |
H Median carina of pronotum very low on metazona; tegmina with light colored "V" and large dark spots; hind tibiae yellow; southern and central Colorado.
 |
 |
| Pronotum | Tegmen |
[Heliaula rufa occasionally will key to this point. Heliaula lacks light colored "V" and dark spots and usually has a grey-colored, disproportionately large head.]
