The red locust (Nomadacris septemfasciata) is a large grasshopper species found in sub-Saharan Africa.

[2] The genus Nomadacris was erected in 1923 by Boris Uvarov and the species was named originally as Acridium septemfasciatum by Jean Guillaume Audinet-Serville in 1838.

When solitary, they can be green or brown; when in large numbers (gregarious), they are bright yellow and red-brown with black markings.

If the population density increases past a threshold, the locusts transform into their gregarious phase, changing their behaviour and anatomy.

[4] Compared to their solitary phase, gregarious red locusts also have: Swarming females often lay eggs at night.

In the Sahel, the species is observed on a more incidental basis in Cape Verde, the central Niger River delta in Mali, and around Lake Chad.

Large swarms attacked the KwaZulu-Natal region which contributed to creating conditions which favoured the 1890s African rinderpest outbreak.