CreatureData

Cereal leaf beetle

Oulema melanopus (Linnaeus, 1758)

Status not recordedbeetles

The cereal leaf beetle (Oulema melanopus) is a species in the family Chrysomelidae, order Coleoptera. Recorded adults reach 4 mm in length.

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Quick facts about the cereal leaf beetle

Weight
Not recorded
Length
4 mmsrc for Length
Lifespan
Not recorded
Diet
Herbivoresrc for Diet
Main food
Not recorded
Habitat
Not recorded
Young per litter or clutch
Not recorded
Conservation status
Not recorded
Countries on record
Not recorded

How big is the cereal leaf beetle?

CEREAL LEAF BEETLE · LENGTH 4 MMADULT HUMAN · HEIGHT 1.7 M
At 4 mm, the recorded maximum length of the cereal leaf beetle is about 0.2% of the height of an adult human (1.7 m, a fixed reference used for scale).

What eats the cereal leaf beetle?

Species recorded in published studies and collections.

Recorded predators of the cereal leaf beetle

10 on record

  1. Bordered orbweaver Neoscona adianta3 sources
  2. Clubiona stagnatilis3 sources
  3. Common reed bunting Emberiza schoeniclus3 sources
  4. Broad-bodied chaser Libellula depressa3 sources
  5. Marpissa radiata3 sources
  6. Ruddy darter Sympetrum sanguineum3 sources
  7. Vagrant darter Sympetrum vulgatum3 sources
  8. Tetragnatha pinicola3 sources
  9. Painted cobweb weaver Theridion pictum3 sources
  10. Forest cobweb weaver Phylloneta impressa2 sources

Each pair is recorded by at least two independent datasets. A record shows the animal was seen or found to have eaten the other, including scavenged carcasses and young animals; it does not say how often. Compiled by Global Biotic Interactions (CC0 1.0).

References for these records

Where does the cereal leaf beetle live?

Not recorded

Where has it been introduced?

The Global Register of Introduced and Invasive Species lists the cereal leaf beetle as introduced in 1 country.

  1. 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 cereal leaf 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 cereal leaf beetle classified?

  1. kingdomAnimalia
  2. phylumArthropoda
  3. classInsecta
  4. orderColeoptera
  5. familyChrysomelidae
  6. genusOulema
  7. SpeciesOulema melanopus (Linnaeus, 1758)

Synonyms Chrysomela melanopus, Crioceris azurea, Crioceris hordei, Crioceris melanopoda, Lema cyanella var. atrata, Lema melanopa, Lema melanopa var. nigricans, Lema melanopa var. waltli

Other names and names in other languages (34)
  • kohoutek černohlavýCzech
  • KornbladbilleDanish
  • Almindelig kornbladbilleDanish
  • Sorthovedet kornbilleDanish
  • Buntes GetreidehähnchenGerman
  • Buntes/Großes/Rothalsiges GetreidehähnchenGerman
  • Großes GetreidehähnchenGerman
  • Rothalsiges GetreidehähnchenGerman
  • Escarabajo de la hoja del cerealSpanish
  • viljakukkoFinnish
  • Criocère de l’orgeFrench
  • Criocère bicolore des céréalesFrench
  • Criocère des céréalesFrench
  • Cryocère de l'orgeFrench
  • Léma à pattes noiresFrench
  • Léma à pieds noirsFrench
  • עלית הדגנייםHebrew
  • veresnyakú árpabogárHungarian
  • Lema del frumentoItalian
  • クビアカクビボソハムシJapanese
  • Raudonkrūtis SmilginukasLithuanian
  • bred kornbladbilleNorwegian Bokmål
  • vanlig kornbladbilleNorwegian Bokmål
  • GrasgoudhaantjeDutch
  • RoodhalsgrasgoudhaantjeDutch
  • RoodhalsgrashaantjeDutch
  • Skrzypionka zbożowaPolish
  • Пьявица красногрудаяRussian
  • kohútik pestrýSlovak
  • sädesbladbaggeSwedish
  • rödhalsad sädesbaggeSwedish
  • vanlig sädesbladbaggeSwedish
  • П’явиця червоногрудаUkrainian
  • П'явиця червоногрудаUkrainian

Catalogue of LifeiNaturalistITISTAXREFTAXREFWikidata

Relatives of the cereal leaf beetle

Other species in the same genus Oulema.

CompareCereal leaf beetle vs Hapsidolema curtipenniaCereal leaf beetle vs Oulema arizonaeCereal leaf beetle vs Oulema atrosuturalisCereal leaf beetle vs Oulema brunnicollis

Common questions

Answered only where our data holds the answer.

How big is the cereal leaf beetle?

An adult cereal leaf beetle measures 4 mm long, according to values recorded on Wikidata.

Is the cereal leaf beetle an invasive species?

The Global Register of Introduced and Invasive Species lists the cereal leaf beetle as introduced in 1 country: United States, but does not flag it as invasive in any of them.

What kind of animal is the cereal leaf beetle?

The cereal leaf beetle (Oulema melanopus) belongs to the family Chrysomelidae in the order Coleoptera.

What eats the cereal leaf beetle?

Animals recorded preying on the cereal leaf beetle include bordered orbweaver, clubiona stagnatilis, common reed bunting and broad-bodied chaser. The records are compiled by Global Biotic Interactions from published studies; each pair is reported by at least two datasets.

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). Cereal leaf beetle (Oulema melanopus). Retrieved from https://creaturedata.com/animals/cereal-leaf-beetle

MLA

“Cereal leaf beetle (Oulema melanopus).” CreatureData, 2026, https://creaturedata.com/animals/cereal-leaf-beetle.

BibTeX
@misc{cereal_leaf_beetle_2026,
  title = {Cereal leaf beetle (Oulema melanopus)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/cereal-leaf-beetle},
  note = {Data as of 2026-11-14}
}