Hieroglyphus daganensis

The colour of immature insects may vary depending on their phase (illustrated right) during a particularly fertile year, dense populations of H. daganensis showed a distinct blackening in certain areas of cuticle.

Outbreaks are frequent in Sahelian countries such as Senegal, Mauritania, Burkina Faso, Mali, Niger and Benin.

[16] A biological pesticide product called 'Green Muscle' is based on the entomopathogenic fungus (Metarhizium acridum) is now available (see desert locust).

Early demonstrations of efficacy took place in northern Benin, with field tests by the LUBILOSA Programme on H. daganensis.

The Northern Dogon people of Mopti Region, Mali consume the species.

Rice grasshopper nymphs in Mali, showing darkened coloration (on right) after crowding