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Contact information
For information on Wisconsin's rare animals, contact:
Rich Staffen
Conservation Biologist
608-266-4340

Ash-brown Grasshopper (Trachyrhachys kiowa)

Need a main photo for this animal


Overview

Overview

Ash-brown Grasshopper (Trachyrhachys kiowa), is a state species of special concern that prefers barren and sand prairie communities. It is known to occur in the central plains and western uplands in Wisconsin. Blue grama grass (Bouteloua gracilis), other grasses, and sedges are preferred foods. The Ash-brown is believed to be active from mid-late July through mid-late September.

State status

Status and Natural Heritage Inventory documented occurrences in Wisconsin

The table below provides information about the protected status - both state and federal - and the rank (S and G Ranks) for Ash-brown Grasshopper (Trachyrhachys kiowa). See the Working List Key for more information about abbreviations. Counties shaded blue have documented occurrences for this species in the Wisconsin Natural Heritage Inventory database. The map is provided as a general reference of where occurrences of this species meet NHI data standards and is not meant as a comprehensive map of all observations.

Note: Species recently added to the NHI Working List may temporarily have blank occurrence maps.


Documented locations of Trachyrhachys kiowa in the Natural Heritage Inventory Database as of July 2015.
Summary Information
State StatusSC/N
Federal Status in Wisconsinnone
State RankS2
Global RankG5
Tracked by NHIY
WWAP SGCN

Species guidance


Identification: Slender, medium-sized tan grasshopper with black splotches. Pronotum with two transverse sulci. Forewings are generally lighter colored near the pronotum, with two or three dark spots on the side of the forewings. Hind wings generally pale yellow basally in Wisconsin but are variable across the range. Tibia light blue to blue-gray.

Similar Species: Camnula pellucida has uncolored hindwings. Spharagemon and Arphia have only one transverse sulcus.

Habitat: Shrubland/chaparral, grassland/herbaceous, old field, cropland/hedgerow.

State Distribution: Central Plains and Western Uplands.

Global Distribution: Widespread across the US from Virginia west to California, with its greatest predominance in the western Great Plains and Rocky Mountain states.

Other resources

Links to additional Ash-brown Grasshopper information

Other links related to grasshoppers and allies

Photos/Video

No additional photos are available for Ash-brown Grasshopper at this time. Please consider donating a photo to the Natural Heritage Conservation program.


Last revised: Thursday, May 04, 2017