Kim Taylor / American cockroach {Periplaneta americana} female carrying egg case.

Nigel Cattlin / American cockroach (Periplaneta americana), household pest feeding on Bread.

Nigel Cattlin / American cockroach (Periplanata americana) nymph, household pest feeding on Apple.

Emanuele Biggi / Jewel wasp (Ampulex compressa) stinging Cockroach prey (Periplaneta americana) with venom which will make the cockroach sluggish before leading it to nest to as host for its larvae. Captive.

Emanuele Biggi / Jewel wasp (Ampulex compressa) stinging Cockroach prey (Periplaneta americana) with venom which will make the cockroach sluggish before leading it to nest to as host for its larvae. Captive.

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

James Dunbar / Jewel wasp (Ampulex compressa) leading American cockroach (Periplaneta americana) prey to nest by antennae. Captive.

James Dunbar / Jewel wasp (Ampulex compressa) leading American cockroach (Periplaneta americana) prey to nest by antennae. Captive.

James Dunbar / Jewel wasp (Ampulex compressa) leading American cockroach (Periplaneta americana) prey to nest by antennae. Captive.

James Dunbar / Jewel wasp (Ampulex compressa) leading American cockroach (Periplaneta americana) prey to nest by antennae. Captive.

James Dunbar / Jewel wasp (Ampulex compressa) leading American cockroach (Periplaneta americana) prey to nest by antennae. Captive.

James Dunbar / Jewel wasp (Ampulex compressa) leading American cockroach (Periplaneta americana) prey to nest by antennae. Captive.

James Dunbar / Jewel wasp (Ampulex compressa) leading American cockroach (Periplaneta americana) prey to nest by antennae. Captive.

James Dunbar / Jewel wasp (Ampulex compressa) leading American cockroach (Periplaneta americana) prey to nest by antennae. Captive.

Christophe Courteau / Cockroaches (Periplaneta americana) on wall of Gomantong Cave. Sabah, Borneo. Malaysia.

Christophe Courteau / Cockroaches (Periplaneta americana) feeding on a dead chick of Black-nest swiftlet (Aerodramus maximus) which fell from its nest in Gomantong Cave. Sabah State. Borneo. Malaysia.

Adrian Davies / American cockroaches (Periplaneta americana) on wall of cave, Gomantong Cave, Sabah, Borneo

James Dunbar / American cockroach (Periplaneta americana) grooming

Ammonite / Close-up of an American cockroach (Periplaneta americana) eating from a slice of pizza. Controlled conditions.

Ammonite / Close-up of an American cockroach (Periplaneta americana) eating from a slice of pizza. Controlled conditions.

Ammonite / Close-up of an American cockroach (Periplaneta americana) grooming itself after feeding from a slice of pizza. Controlled conditions.

Ammonite / Close-up of an American cockroach (Periplaneta americana) grooming itself after feeding from a slice of pizza. Controlled conditions.

MYN / Andrew Snyder / American Cockroach nymph (Periplaneta americana) Owings Mills, Maryland, USA, June. Meetyourneighbours.net project

MYN / Andrew Snyder / American Cockroach nymph (Periplaneta americana) Owings Mills, Maryland, USA, June. Meetyourneighbours.net project

Oriol Alamany / American Cockroach (Periplaneta americana) at night, Hanga Roa, Easter Island (Pascua or Rapa Nui) Pacific

Stephen Dalton / American cockroach (Periplaneta americana) UK

Stephen Dalton / American cockroach (Periplaneta americana) feeding on food on tiled floor, UK

Stephen Dalton / American cockroach (Periplaneta americana) on corner of room, UK

Mark Bowler / American cockroach {Periplaneta americana}

Mark Bowler / American cockroach {Periplaneta americana}

Kim Taylor / American cockroach {Periplaneta americana} newly moulted adult

Kim Taylor / American cockroach {Periplaneta americana} newly moulted adult

Kim Taylor / American cockroach {Periplaneta americana} female carrying egg case.

Kim Taylor / American Cockroach (Periplaneta americana) recently moulted.

Kim Taylor / American Cockroach (Periplaneta americana) female, captive

Albert Lleal / American Cockroach (Periplaneta americana), 2.1x magnification, Barcelona, Spain

Konrad Wothe / American Cockroach (Periplaneta americana), India

Rod Williams / American cockroach {Periplaneta americana cosmopolitan}

Nigel Cattlin / American cockroach (Periplaneta americana) on bread.

Visuals Unlimited / Adult American cockroach (Periplaneta americana)

Albert Lleal / American Cockroach (Periplaneta americana) leg, 2.7 magnification, Barcelona, Spain