CreatureData

Harlequin roach

Neostylopyga rhombifolia (Stoll, 1813)

Status not recordedinsects

The harlequin roach (Neostylopyga rhombifolia) is a species in the family Blattidae, order Blattodea.

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Quick facts about the harlequin roach

Weight
Not recorded
Length
Not recorded
Lifespan
Not recorded
Main food
Not recorded
Habitat
Not recorded
Young per litter or clutch
Not recorded
Conservation status
Not recorded
Countries on record
Not recorded

Where does the harlequin roach live?

Not recorded

Where has it been introduced?

The Global Register of Introduced and Invasive Species lists the harlequin roach as introduced in 4 countries.

  1. Belgium
  2. Costa Rica
  3. Japan
  4. United States

Introduced means brought by people and now present; invasive means the country's checklist records an impact. A species can be native to one part of a country and introduced in another. Source: Global Register of Introduced and Invasive Species (CC BY 4.0).

Is the harlequin roach endangered?

No conservation assessment is recorded for this species in our sources. That is not the same as being safe: it has not been matched to an assessment.

How is the harlequin roach classified?

  1. kingdomAnimalia
  2. phylumArthropoda
  3. classInsecta
  4. orderBlattodea
  5. familyBlattidae
  6. genusNeostylopyga
  7. SpeciesNeostylopyga rhombifolia (Stoll, 1813)

Synonyms Blatta rhombifolia, Blatta signata, Periplaneta (decorata), Periplaneta histrio, Polyzosteria heterospila

Other names and names in other languages (8)
  • Harlequin cockroachEnglish
  • šváb harlekýnCzech
  • HarlekinschabeGerman
  • cucaracha arlequínSpanish
  • イエゴキブリJapanese
  • Geltonmargis tarakonasLithuanian
  • แมลงสาบผีThai
  • 家屋斑蠊Chinese

Catalogue of Life

Relatives of the harlequin roach

Other species in the same genus Neostylopyga.

CompareHarlequin roach vs Neostylopyga albofasciataHarlequin roach vs Neostylopyga annulicornisHarlequin roach vs Neostylopyga atroxHarlequin roach vs Neostylopyga badia

Common questions

Answered only where our data holds the answer.

Is the harlequin roach an invasive species?

The Global Register of Introduced and Invasive Species lists the harlequin roach as introduced in 4 countries: Belgium, Costa Rica, Japan and United States, but does not flag it as invasive in any of them.

What kind of animal is the harlequin roach?

The harlequin roach (Neostylopyga rhombifolia) belongs to the family Blattidae in the order Blattodea.

Sources and how to cite this page

Data as of 2026-11-14. How this page is put together.

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APA

CreatureData. (2026). Harlequin roach (Neostylopyga rhombifolia). Retrieved from https://creaturedata.com/animals/harlequin-roach

MLA

“Harlequin roach (Neostylopyga rhombifolia).” CreatureData, 2026, https://creaturedata.com/animals/harlequin-roach.

BibTeX
@misc{harlequin_roach_2026,
  title = {Harlequin roach (Neostylopyga rhombifolia)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/harlequin-roach},
  note = {Data as of 2026-11-14}
}