Grain weevil
Sitophilus granarius (Linnaeus, C., 1758)
Status not recordedbeetles
The grain weevil (Sitophilus granarius) is a species in the family Dryophthoridae, order Coleoptera. Recorded adults reach 3.7 mm in length.
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Quick facts about the grain weevil
- Weight
- Not recorded
- Length
- 2.7 mm – 3.7 mmsrc for Length
- Lifespan
- Not recorded
- Diet
- Herbivoresrc for Diet
- Main food
- Not recorded
- Habitat
- human_modifiedsrc for Habitat
- Young per litter or clutch
- Not recorded
- Conservation status
- Not recorded
- Countries on record
- Not recorded
How big is the grain weevil?
Where does the grain weevil live?
Not recorded
Where has it been introduced?
The Global Register of Introduced and Invasive Species lists the grain weevil as introduced in 11 countries, and flagged as invasive in 2 of them.
- Chinainvasive
- Latviainvasive
- Cyprus
- Denmark
- Estonia
- Mongolia
- Poland
- Russia
- United Arab Emirates
- United States
- 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 grain weevil 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 grain weevil classified?
- kingdomAnimalia
- phylumArthropoda
- classInsecta
- orderColeoptera
- familyDryophthoridae
- genusSitophilus
- SpeciesSitophilus granarius (Linnaeus, C., 1758)
Synonyms Calandra granaria, Calandra granarius, Cordyle granaria, Cordyle granarius, Curculio contractus, Curculio flavipes, Curculio frumentarius, Curculio granarius, Curculio pulicarius, Curculio unicolor, Rhynchophorus granarius, Rhynchophorus ruber
Other names and names in other languages (42)
- Granary weevilEnglish
- Wheat weevilEnglish
- سوسة القمحArabic
- Свірнавы даўганосікBelarusian
- Житна гъгрицаBulgarian
- Corc del blatCatalan
- pilous černýCzech
- Gwiddonyn ŷdWelsh
- KornkrebsDanish
- KornsnudebilleDanish
- KornkäferGerman
- Gorgojo del trigoSpanish
- jyväkärsäkäsFinnish
- Calandre du bléFrench
- calandre des grainsFrench
- Charançon brun du bledFrench
- Charançon des grainsFrench
- Charançon du bléFrench
- ઘઉંનાં ધનેડાંGujarati
- घुन (गेहूँ का)Hindi
- gabonazsuzsokHungarian
- Calandra del granoItalian
- グラナリアコクゾウムシJapanese
- Tłʼoh naadą́ą́ʼ biyaʼNavajo
- kornsnutebilleNorwegian Bokmål
- GraanklanderDutch
- KorenklanderDutch
- Calin·nePicard
- Wołek zbożowyPolish
- Sitophilus granariusPortuguese
- зерновый слоникRussian
- Долгоносик амбарный обыкновенныйRussian
- zrniar čiernySlovak
- kornvivelSwedish
- ด้วงงวงข้าวสาลีThai
- Buğday BitiTurkish
- tshupaTswana
- mogolagangTswana
- motoutwanaTswana
- Довгоносик комірнийUkrainian
- 谷米象甲Chinese
- 谷象Chinese
Relatives of the grain weevil
Other species in the same genus Sitophilus.
CompareGrain weevil vs Rice weevilGrain weevil vs Maize weevilGrain weevil vs Tamarind weevilGrain weevil vs Sitophilus banoni
Common questions
Answered only where our data holds the answer.
How big is the grain weevil?
An adult grain weevil measures 2.7 mm – 3.7 mm long, according to values recorded on Wikidata.
Is the grain weevil an invasive species?
In some places. The Global Register of Introduced and Invasive Species flags the grain weevil as invasive in 2 countries: China and Latvia. It lists it as introduced in 11 in all.
What kind of animal is the grain weevil?
The grain weevil (Sitophilus granarius) belongs to the family Dryophthoridae in the order Coleoptera.
Sources and how to cite this page
Data as of 2026-11-13. How this page is put together.
- Catalogue of Life eXtended Release · CC BY 4.0 · 2026-10-16 XR
Catalogue of Life (2026). Catalogue of Life eXtended Release, version 2026-10-16 XR. Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dgzlf - Global Register of Introduced and Invasive Species (GRIIS) · CC BY 4.0 · 2026-11-13
Pagad, S., Genovesi, P., Carnevali, L., Schigel, D. & McGeoch, M.A. (2018) Introducing the Global Register of Introduced and Invasive Species. Scientific Data 5: 170202. https://doi.org/10.1038/sdata.2017.202. Country checklists published through GBIF by the IUCN SSC Invasive Species Specialist Group. - TraitCH: a multi-taxa functional trait dataset for Switzerland and Europe · CC BY 4.0 · 2.0
Chauvier, Y., Adde, A., Bergamini, A. et al. (2025) TraitCH: a multi-taxa functional trait dataset for Switzerland and Europe. Zenodo. https://doi.org/10.5281/zenodo.15063844
Embed a card for this animal on your own site
Copy this code. The card shows the photo with its credit, key facts and a link back to this page.
CreatureData. (2026). Grain weevil (Sitophilus granarius). Retrieved from https://creaturedata.com/animals/grain-weevil
“Grain weevil (Sitophilus granarius).” CreatureData, 2026, https://creaturedata.com/animals/grain-weevil.
@misc{grain_weevil_2026,
title = {Grain weevil (Sitophilus granarius)},
author = {{CreatureData}},
year = {2026},
url = {https://creaturedata.com/animals/grain-weevil},
note = {Data as of 2026-11-13}
}