Taxonomy
- Polyphaga
- Chrysomeloidea
- Chrysomelidae
- Bruchus
- Bruchus rufimanus
Common name
Bean seed beetle
Images
Source: Roger Key
Source: Malcolm Storey / BioImages.
Source: Lech Borowiec
Description
Size: 3.1-5.3mm
Basic colour: Blackish or brownish
Pattern colour: Various pale patches of pubescence
Number of spots: See pattern colour above
Pronotoum: As basic and pattern colours
Leg colour: As basic colour except front tibiae/femora (orange)
Basic colour: Blackish or brownish
Pattern colour: Various pale patches of pubescence
Number of spots: See pattern colour above
Pronotoum: As basic and pattern colours
Leg colour: As basic colour except front tibiae/femora (orange)
Pest of various stored beans.
Biology
Status: Widespread but local in England & Wales. 19th century records only from Scotland and Ireland.
Habitat: Various; natural and man-made.
Host plant: Various beans and peas.
Overwintering: Adults in/under deciduous bark; possibly also in beans.
Food: Larvae on beans, adults on pollen.
Other notes: Globally widespread though Palaearctic in origin. Many hymenopteran parasitoids worldwide.
Habitat: Various; natural and man-made.
Host plant: Various beans and peas.
Overwintering: Adults in/under deciduous bark; possibly also in beans.
Food: Larvae on beans, adults on pollen.
Other notes: Globally widespread though Palaearctic in origin. Many hymenopteran parasitoids worldwide.