Grasshoppers of Wyoming and the West
Entomology
Key to the Trimerotropis Species
Previous Step (E)F Median carina of pronotum higher on prozona than on metazona; bilobate on prozona;
wing bands in the middle or beyond, dark colored, not narrowing toward the spur; spur
reaches one-half the distance to the wing or more; widespread and common.
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| Pronotum | Wing | Tegmen |
[T. fratercula sometimes is bilobate or prozona, but wing bands are weak and narrow decidedly toward spur; Conozoa texana similarly has weakwing bands and usually has a blunt protuberance near the posterior angle of lateral lobes of pronotum.]
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| Wing of Trimerotropis fratercula | Pronotum of Conozoa texana |
F' Median carina low throughout; not bilobate on prozona.
G Wing bands decidedly narrowing toward spur; band margins irregular; bands weak; spur long; wing apex smoky; inhabits moderate elevations of mountains.
Wing
Trimerotropis fratercula McNeill
G' Wing bands narrow only slightly; band margins usually regular; wing apex colorless; spur short; inhabits river valleys of western Colorado.
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| Wing | Pronotum |
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