Gerry Ellis / Green Leaf-mimic Katydid (Steirodon robertsorum) on leaf, Costa Rican highlands

Michael & Patricia Fogden / Hooded Praying Mantis (Choeradodis rhomboidea) disguised as leaves, rainforest ecosystem, Costa Rica

Gerry Ellis / Green Leaf-mimic Katydid (Steirodon robertsorum) on stem, camouflaged amongst leaves, Costa Rica

Ingo Arndt / Stink Bug (Edessa sp) portrait, a true bug of the Heteroptera suborder, Guanacaste, Costa Rica

Ingo Arndt / Stink Bug (Edessa sp) portrait, a true bug of the Heteroptera suborder, Guanacaste, Costa Rica

Piotr Naskrecki / Katydid (Championica montana) camouflaged against moss, Costa Rica

Piotr Naskrecki / Katydid (Haemodiasma tessellata) camouflaged against green leaf, Costa Rica

Ingo Arndt / Treehopper (Membracidae) close up portrait, Santa Rosa National Park, Guanacaste, Costa Rica

Ingo Arndt / Praying Mantis (Mantis sp) camouflaged against dry flower, Monte Verde, Costa Rica

Michael & Patricia Fogden / Walking Stick insect camouflaged as lichen, Costa Rica

Piotr Naskrecki / Newly discovered but as yet unnamed species of Katydid, Costa Rica

Piotr Naskrecki / Mantid (Liturgusa annulipes) and Flattie (Selenopidae) camouflaged against lichen and moss-covered tree, Costa Rica