Olibrus

Pronunciation

How to pronounce Olibrus: //oʊˈlaɪbrəs//

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Summary

Olibrus is a genus of shining flower beetles in the family Phalacridae, containing at least 30 described species in the region and approximately 130 worldwide; it is the largest genus in Phalacridae by number of described species. Many species, particularly in the Oriental region, are expected to be reclassified or removed from this genus.

Physical Characteristics

1.1–3.9 mm in length; shape of the last antennomere (the 11th) is diagnostic.

Identification Tips

Identification can be made using the shape of the last antennomere; they are often found on flowers, especially within the Asteraceae family.

Habitat

Typically found on flowers, particularly those of the Asteraceae family.

Distribution

Old World and North America (southern Canada to Mexico).

Diet

Adults feed on fluids from flowers, specifically within the flower heads of certain Asteraceae; larvae are more host-specific and also feed on fluids.

Life Cycle

The life cycle includes a larval stage developing within the flower heads of host Asteraceae.

Ecosystem Role

As pollinators, they play a role in the ecology of flower-producing plants.

Tags

• beetle
• phalangid
• flower beetle