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For Insects, Spiders & Their Kin
For the United States & Canada
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Spring 2021 gathering in Louisiana, April 28-May 2. Here's how to add your images.

National Moth Week 2020 photos of insects and people.

Photos of insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama


Genus Olibrus

Olibrus antennae - Olibrus Phalacridae in Saskatchewan? - Olibrus Cluster of small beetles on flower heads - Olibrus Little black marsh beetle - Olibrus Shining flower beetle - Olibrus  Phalacridae - Shining Flower Beetles Genus Olibrus - Olibrus Olibrus? - Olibrus Olibrus? - Olibrus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
No Taxon (Series Cucujiformia)
Superfamily Cucujoidea (Sap, Bark and Fungus Beetles)
No Taxon (Cucujid series)
Family Phalacridae (Shining Flower Beetles)
Genus Olibrus
Explanation of Names
Olibrus Erichson 1845
~30 described spp. in our area (the actual number probably much lower), ~130 total(1); this is currently the largest genus in Phalacridae in terms of described species, but many (especially Oriental) spp. will probably be removed(2)
1.1–3.9 mm(3)
shape of last antennomere (the 11th) diagnostic:
Old World + NA (so. Canada to Mexico)(2)
unlike most genera in the family, adults on flowers, esp. Asteraceae(2)
larvae develop within flower heads of particular Asteraceae, are more host specific and feed only on fluids(2)
our sole representative of the Olibrus-group (2 genera total; worldwide except the Neotropics)(2)
Internet References