Bruchidius olivaceus (Germar, 1824)
Taxonomy: Polyphaga > Chrysomeloidea > Chrysomelidae > Bruchidius > Bruchidius olivaceus
Description
Size: 1.9-2.8mm
Basic colour: Brownish/blackish with dorsal pubescence dense and golden, obscuring the underlying colour. Ventral pubescence silvery-white.
Pattern colour: None
Number of spots: None
Pronotoum: As basic colour.
Leg colour: As basic colour.
Basic colour: Brownish/blackish with dorsal pubescence dense and golden, obscuring the underlying colour. Ventral pubescence silvery-white.
Pattern colour: None
Number of spots: None
Pronotoum: As basic colour.
Leg colour: As basic colour.
Biology
Status: Endangered (RDB1) and possibly extinct.
RDB Category: Endangered
Habitat: Calcareous grassland and agricultural land.
Host plant: Sainfoin Onobrychis viciifolia; possibly also rock-roses Cistus spp., brideworts Spiraea spp. and scorpion senna Hippocrepis emersus (introduced).
Overwintering: Unknown.
Food: Seeds of host plants.
RDB Category: Endangered
Habitat: Calcareous grassland and agricultural land.
Host plant: Sainfoin Onobrychis viciifolia; possibly also rock-roses Cistus spp., brideworts Spiraea spp. and scorpion senna Hippocrepis emersus (introduced).
Overwintering: Unknown.
Food: Seeds of host plants.