Piotr Naskrecki / Green Milkweed Locust (Phymateus viridipes) in defensive posture, Mpumalanga, South Africa

Staffan Widstrand / Milkweed grasshopper nymph (Phymateus viridipes) iMfolozi National Park, South Africa

Piotr Naskrecki / Green Milkweed Locust (Phymateus viridipes) in savanna, Gorongosa National Park, Mozambique

Piotr Naskrecki / Green Milkweed Locust (Phymateus viridipes), Gorongosa National Park, Mozambique

Piotr Naskrecki / Green Milkweed Locust (Phymateus viridipes), displaying warning coloration, Gorongosa National Park, Mozambique

Premaphotos / Grasshopper (Phymateus viridipes) male flashing his warningly coloured black-and-red wings, in savannah, Kenya

Piotr Naskrecki / Green Milkweed Locust (Phymateus viridipes), South Africa

Piotr Naskrecki / Green Milkweed Locust (Phymateus viridipes), Quirimbas National Park, Mozambique