Trachyrhachys aspera
This record describes Trachyrhachys aspera (species). Recorded family: Acrididae. Recorded order: Orthoptera.
Identification and Appearance

Very similar to Trachyrhachys kiowa , but less common, a bit stockier, with the inner face of the hind femur always black with a single light cross band near the knee, and with wing yellow at the base and dark on approximately the entire outer half. In T. kiowa the inner hind femur varies, but is often light with dark cross bands, or if dark often has more than one light cross band. The wing of T. kiowa is clear to yellow, with or without a dark cross band in the middle, but never dark on the outer half. Other similar species differ in the same ways, or occur in other regions. Rehnita is like T. kiowa , and has a lower, barely visible middle ridge on the top of the pronotum.
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Insecta
- Order
- Orthoptera (Grasshoppers, Crickets, Katydids)
- Suborder
- Caelifera
- Family
- Acrididae (Short-horned Grasshoppers)
- Subfamily
- Oedipodinae
- Tribe
- Psinidiini
- Genus
- Trachyrhachys
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
About Grasshoppers, Crickets, Katydids: the wider group
Order-level background for Orthoptera, the group containing Trachyrhachys aspera. Species-specific details appear above.
Group overview
Orthoptera includes ~28,000 described species of grasshoppers, crickets, and katydids. Desert locusts can form swarms covering 460 square miles containing up to 80 million individuals per square kilometer.
Ecological role of the group
Grasshoppers and crickets are a primary food source for birds, reptiles, and small mammals. Cricket farming is a growing industry - crickets require 12× less feed than cattle to produce the same amount of protein, using 2,000× less water.
Economic and practical significance of the group
A single large locust swarm can consume the same amount of food in one day as 35,000 people. The 2019-2021 East Africa locust crisis affected food security for 42 million people across multiple countries. Global crop losses from locusts can reach billions annually.
Recorded sources for this group: FAO, UN World Food Programme, research publications. Imported estimates may describe particular regions or reporting periods.
Photos of Trachyrhachys aspera (2)
Photo credits: Contributed by David J. Ferguson
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