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

MYN / Lily Kumpe / Edgar's trilobite cockroach (Laxta rieki) composite showing different angles, William Bay National Park, Western Australia. Meetyourneighbours.net project.

MYN / Joao P. Burini / Parahormetica cockroach, Tapirai, Sao Paulo, Brazil. Atlantic forest. Meetyourneighbours.net project.

Emanuele Biggi / Cockroach species, including Pycnoscelus indicus eating another dead cockroach (Periplaneta americana). Gomantong cave, Borneo, Sabah, Malaysia.

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

Chris Mattison / Orange-spotted cockroach (Blaptica dubia) on white background, occurs in Central and South America.

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

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

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

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

Mark Bowler / Giant Madagascar hissing cockroach (Gromphadorina portentosa)

Mark Bowler / Giant Madagascar hissing cockroach (Gromphadorina portentosa)

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

Pete Oxford / Giant armoured cockroach (Gromphadorhina sp?) Lake Tsimanampetsotsa soda lake, Tsimanampetstsa National Park, SW MADAGASCAR

Pete Oxford / Giant armoured cockroach (Gromphadorhina sp?) Lake Tsimanampetsotsa soda lake, Tsimanampetstsa National Park, SW MADAGASCAR 2005

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

Piotr Naskrecki / Giant Cockroach (Blaberus giganteus), Guyana

Pete Oxford / Giant cockroach (Blaberus giganteus) Amazonia, Ecuador

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

Kim Taylor / Giant Cockroach {Blaberus giganteus} in flight, Trinidad, West Indies. Digital composite.

TIM MARTIN / Giant cockroach {Blaberus giganteus} Costa Rica Guanacaste

Kim Taylor / Giant forest cockroach (unidentified) Trinidad, captive

Kim Taylor / Giant Cockroach (unidentified), cut-out, Trinida

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

Nick Garbutt / Giant hissing cockroach {Elliptorhina javanica} Berenty PR, 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

Premaphotos / Giant cockroach (Blaberus giganteus) last instar nymph in a room with a bat roost, Trinidad

Premaphotos / Giant cockroach (Blaberus giganteus) amongst bat droppings in a cave full of roosting bats in rainforest, Trinidad

Premaphotos / Hissing cockroach (Elliptorhina javanica) at night in tropical dry forest, Madagascar

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

Robert Pickett / Local man looking at Giant Madagascar hissing cockroach, (Gromphadorina portentosa), on tree trunk, Reniala Nature Reserve, Ifaty, Madagascar