Hieroglyphus daganensis
Species of grasshopper
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Through Polymorphism (biology) and Cylinder
Description and biology
Adults
The overall colour of adult insects is usually green, with a finely dotted shiny integument. Antennae are longer than the head and pronotum together. The pronotum is cylindrical, with three deep and wide sulci (grooves) crossing the dorsum.
Hoppers
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.
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Outbreaks and control
Outbreaks are frequent in Sahelian countries such as Senegal, Mauritania, Burkina Faso, Mali, Niger and Benin. It has also been recorded as a sorghum pest in India.
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.
Human consumption
The Northern Dogon people of Mopti Region, Mali consume the species.