Cyril Ruoso / Giant Cockroach (Blaberidae) and hand, Pacaya Samiria National Park, Peru

Piotr Naskrecki / Giant Cockroach (Eustegasta sp), Gorongosa National Park, Mozambique

Paul Bertner / Giant Cockroach (Blaberidae), Udzungwa Mountains National Park, Tanzania

Paul Bertner / Giant Cockroach (Blaberidae), Udzungwa Mountains National Park, Tanzania

Paul Bertner / Giant Cockroach (Blaberidae), Udzungwa Mountains National Park, Tanzania

Paul Bertner / Giant Cockroach (Blaberidae), Yasuni National Park, Ecuador

Agustin Esmoris / Dubia Roach (Blaptica dubia) female, Provincial Reserve Luro Park, Argentina

Agustin Esmoris / Dubia Roach (Blaptica dubia) female, Provincial Reserve Luro Park, Argentina

Paul Bertner / Cockroach (Lanxoblatta rudis) camouflaged on bark, Leticia, Amazon, Colombia

Paul Bertner / Bark Cockroach (Laxta sp), Hitoy Cerere Biological Reserve, Costa Rica

Paul Bertner / Bark Cockroach (Laxta sp), Yasuni National Park, Ecuador

Paul Bertner / Bark Cockroach (Laxta sp) underside, Yasuni National Park, Ecuador

MYN / Gil Wizen / Peppered cockroach (Archimandrita tesselata), Toledo District, Belize, August. meetyourneighbours.net project

MYN / Gil Wizen / Banana cockroach (Panchlora sp), Toledo District, Belize, August. meetyourneighbours.net project

MYN / Gil Wizen / Death's head cockroach (Blaberus craniifer), Toledo District, Belize, August. meetyourneighbours.net project

Pete Oxford / Giant Cockroach (Blaberus giganteus), Yasuni National Park, Amazon Rainforest, Ecuador

Pete Oxford / Giant Cockroach (Blaberus giganteus), Yasuni National Park, Amazon Rainforest, Ecuador

MYN / David Wong / Wood cockroach (Panesthis sp) Canberra, ACT, Australia, August. meetyourneighbours.net project

Piotr Naskrecki / Cape Mountain Cockroach (Aptera fusca), Tsitsikamma, Eastern Cape, South Africa

Piotr Naskrecki / Ball Cockroach (Perisphaerus sp), Muller Range, Papua New Guinea

Piotr Naskrecki / Ball Cockroach (Perisphaerus sp), Muller Range, Papua New Guinea

John Abbott / False death's head / Discoid cockroach (Blaberus discoidalis) captive

John Abbott / False death's head / Discoid cockroach (Blaberus discoidalis) captive

John Abbott / False death's head / Discoid cockroach (Blaberus discoidalis) captive

Piotr Naskrecki / Giant Cockroach (Blaberus giganteus), Guyana

Piotr Naskrecki / Cape Mountain Cockroach (Aptera fusca) female, South Africa

Piotr Naskrecki / Ball Cockroach (Perisphaerus sp) emerging from rolled up defensive posture, Papua New Guinea. Sequence 4 of 4

Piotr Naskrecki / Ball Cockroach (Perisphaerus sp) emerging from rolled up defensive posture, Papua New Guinea. Sequence 3 of 4

Piotr Naskrecki / Ball Cockroach (Perisphaerus sp) rolled up in defensive posture, Papua New Guinea. Sequence 2 of 4

Piotr Naskrecki / Ball Cockroach (Perisphaerus sp) climbing up twig, Papua New Guinea

Piotr Naskrecki / Ball Cockroach (Perisphaerus sp) rolled up in defensive posture, Cambodia

Rod Williams / Bullhorn cockroach (Archimandrita tesselata) captive, from Central and South America

Pete Oxford / Giant Cockroach (Blaberus giganteus), Napo River, Yasuni National Park, Amazon, Ecuador

Piotr Naskrecki / Cape Mountain Cockroach (Aptera fusca) female on lichen, Tsitsikamma, Eastern Cape, South Africa

Piotr Naskrecki / Cape Mountain Cockroach (Aptera fusca) female, Baviaanskloof Nature Reserve, Eastern Cape, South Africa

Piotr Naskrecki / Giant Cockroach (Oxyhaloa deusta), Modjadji Cycad Reserve, South Africa

Piotr Naskrecki / Giant Cockroach (Achroblatta luteola), a possible mimic of toxic firefly beetles, Las Alturas, Costa Rica

Piotr Naskrecki / Ball Cockroach (Perisphaerus sp), Virachey National Park, Cambodia

Piotr Naskrecki / Giant Cockroach (Blaberus giganteus), Kamoa River, Guyana

Piotr Naskrecki / Giant Cockroach (Blaberus giganteus), Guyana

Pete Oxford / Giant Madagascar Hissing Cockroach (Gromphadorhina portentosa) this cockroach is diurnal and slow-moving, Tsimanampetsotsa Lake, southwest Madagascar

Pete Oxford / Giant Madagascar Hissing Cockroach (Gromphadorhina portentosa) this cockroach is diurnal and slow-moving, Tsimanampetsotsa Lake, southwest Madagascar

Mark Moffett / Giant Madagascar Hissing Cockroach (Gromphadorhina portentosa) on ground among leaf litter, Berenty Reserve, Madagascar

Piotr Naskrecki / Giant Cockroach (Eustegasta poecila) cleaning antenna, Gorongosa National Park, Mozambique

Piotr Naskrecki / Cockroach Wasp (Ampulex sp) carrying paralyzed Speckled Cockroach (Nauphoeta cinerea), Gorongosa National Park, Mozambique

Piotr Naskrecki / Ball Cockroach (Perisphaerus sp), Muller Range, Papua New Guinea

Christian Ziegler / Left to right, from top: Blue Helicopter Damselfly (Megaloprepus coerulatus), Mydas Fly (Mydidae), Saw-nosed Planthopper (Cathedra serrata), Metalmark (Lymnas pixe), Grasshopper (Proscopia panamensis)...

Piotr Naskrecki / Cape Mountain Cockroach (Aptera fusca) female abdomen, South Africa

Piotr Naskrecki / Ball Cockroach (Perisphaerus sp) rolled up in defensive posture, Papua New Guinea. Sequence 1 of 4

Piotr Naskrecki / Ball Cockroach (Perisphaerus sp) nymph, Papua New Guinea

Piotr Naskrecki / Ball Cockroach (Perisphaerus sp) rolled up in defensive posture, Cambodia

Piotr Naskrecki / Cockroach (Gyna sp) living under loosened bark of Elephant-damaged Baobab, Botswana