Piotr Naskrecki / Grasshopper with aposematic coloration aerates toxic blood as a defensive behavior, Kwazulu Natal, South Africa

Piotr Naskrecki / Milkweed Grasshopper (Phymateus morbillosus) member of the Foam grasshopper family has aposematic coloration, South Africa

Piotr Naskrecki / African Foam Grasshopper (Dictyophorus cuisinieri), Guinea, Sequence 1 of 2

Piotr Naskrecki / African Foam Grasshopper (Dictyophorus cuisinieri) blow air through their blood via their thoracic spiracles, creating foam that gives predators a taste of noxious chemicals, Guinea, West Africa, sequ...

Piotr Naskrecki / Grasshopper (Taphronota calliparea) producing toxic foam as defensive mechanism, Gorongosa National Park, Mozambique

Ernie Janes / Koppie foam grasshopper (Dictyophorus spumans) held in human hand, Natal, South Africa.

Ernie Janes / Koppie foam grasshopper (Dictyophorus spumans) on grass, Natal, South Africa.

Ernie Janes / Koppie foam grasshopper (Dictyophorus spumans) on grass, Natal, South Africa.

Piotr Naskrecki / Koppie Foam Grasshopper (Dictyophorus spumans) in shrubland, Cederberg Wilderness Area, Western Cape, South Africa

Piotr Naskrecki / Koppie Foam Grasshopper (Dictyophorus spumans) with aposematic coloration to warn predators about their toxins, Kwazulu Natal, South Africa

Piotr Naskrecki / Koppie Foam Grasshopper (Dictyophorus spumans) portrait, South Africa

Piotr Naskrecki / Koppie Foam Grasshopper (Dictyophorus spumans) with aposematic coloration to warn predators about toxins, Karoo National Park, Western Cape, South Africa