CreatureData

Flat grain beetle

Cryptolestes pusillus (Schönherr, 1817)

Status not recordedbeetles

The flat grain beetle (Cryptolestes pusillus) is a species in the family Cucujidae, order Coleoptera.

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Quick facts about the flat grain beetle

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 flat grain beetle live?

Not recorded

Where has it been introduced?

The Global Register of Introduced and Invasive Species lists the flat grain beetle as introduced in 11 countries.

  1. Austria
  2. Denmark
  3. France
  4. Italy
  5. Japan
  6. Poland
  7. Russia
  8. Slovenia
  9. Sweden
  10. United States
  11. Venezuela

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 flat grain beetle 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 flat grain beetle classified?

  1. kingdomAnimalia
  2. phylumArthropoda
  3. classInsecta
  4. orderColeoptera
  5. familyCucujidae
  6. genusCryptolestes
  7. SpeciesCryptolestes pusillus (Schönherr, 1817)

Synonyms Cryptolestes brevis, Cryptolestes crassicornis, Cryptolestes longicornis, Cryptolestes minutus, Cryptolestes parallelus, Cryptolestes pauper, Cryptolestes puberulus, Cryptolestes testaceus, Cucujus minutus, Cucujus pusillus, Cucujus testaceus, Laemophloeus brevis, Laemophloeus crassicornis, Laemophloeus longicornis, Laemophloeus minutus, Laemophloeus parallelus, Laemophloeus pauper, Laemophloeus puberulus, Laemophloeus pusillus

Other names and names in other languages (10)
  • خنفساء الحبوب المسطحةArabic
  • lesák rýžovýCzech
  • viljahäröFinnish
  • cucujide platFrench
  • カクムネチビヒラタムシJapanese
  • 긴수염머리대장Korean
  • Мукоед малыйRussian
  • plocháč ryžovýSlovak
  • 长角扁谷盗Chinese
  • 长角胸扁谷盗Chinese

Catalogue of Life

Relatives of the flat grain beetle

Other species in the same genus Cryptolestes.

CompareFlat grain beetle vs Flat grain beetleFlat grain beetle vs Flour mill beetleFlat grain beetle vs Lined flat bark beetleFlat grain beetle vs Cryptolestes abietis

Common questions

Answered only where our data holds the answer.

Is the flat grain beetle an invasive species?

The Global Register of Introduced and Invasive Species lists the flat grain beetle as introduced in 11 countries, including Austria, Denmark, France, Italy and Japan, but does not flag it as invasive in any of them.

What kind of animal is the flat grain beetle?

The flat grain beetle (Cryptolestes pusillus) belongs to the family Cucujidae in the order Coleoptera.

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). Flat grain beetle (Cryptolestes pusillus). Retrieved from https://creaturedata.com/animals/cryptolestes-pusillus

MLA

“Flat grain beetle (Cryptolestes pusillus).” CreatureData, 2026, https://creaturedata.com/animals/cryptolestes-pusillus.

BibTeX
@misc{cryptolestes_pusillus_2026,
  title = {Flat grain beetle (Cryptolestes pusillus)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/cryptolestes-pusillus},
  note = {Data as of 2026-11-14}
}