Chris Mattison / Pink stink bug (Tessaratomidae). Danum Valley, Sabah, Borneo.

Piotr Naskrecki / Tessaratomid (Tessaratomidae) nymph with warning coloration, Papua New Guinea

Thomas Marent / Red Stink Bug (Pycanum rubeus) nymph, Sepilok, Borneo, Malaysia

Konrad Wothe / Red Stink Bug (Pycanum rubeus), also known as a Shield Bug, Sabah, Borneo, Malaysia

Piotr Naskrecki / Tessaratomid (Tessaratomidae) nymph, New Britain, Papua New Guinea

Piotr Naskrecki / Tessaratomid (Tessaratomidae) nymph, New Britain, Papua New Guinea

Piotr Naskrecki / Tessaratomid (Tessaratomidae) nymph abdomen, Papua New Guinea

Piotr Naskrecki / Tessaratomid (Tessaratomidae) nymph with warning coloration, Papua New Guinea

Stephen Dalton / Stink bug {Tessaratomidae} camouflaged on leaf, Assam, India

Tim Laman / Stink bug (Hemiptera) on Heliconia flower. Piedras Blancas National Park, Esquinas Rainforest Lodge, Costa Rica.

PREMAPHOTOS / Giant shield / stink bug (Tessaratomidae) nymph in rainforest, Sumatra

Mark Moffett / Red Stink Bug (Pycanum rubeus), Brunei, Borneo

Gerry Ellis / Red Stink Bug (Pycanum rubeus), northeast Borneo

Mitsuhiko Imamori / Tessaratomid (Eusthenes sp) beetle close up, on leaf