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TaxonomyBrowse
Info
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Species Pseudoanthidium nanum

Pseudoanthidium nanum???? - Pseudoanthidium nanum - female Pseudoanthidium nanum - female Pseudoanthidium nanum - female Pseudoanthidium nanum Pseudoanthidium nanum Teeny tiny Anthidiini - Pseudoanthidium nanum - female Teeny tiny Anthidiini - Pseudoanthidium nanum - female Teeny tiny Anthidiini - Pseudoanthidium nanum - female
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon (Aculeata - Ants, Bees and Stinging Wasps)
No Taxon (Anthophila (Apoidea) - Bees)
Family Megachilidae (Leafcutter, Mason, and Resin Bees, and allies)
Subfamily Megachilinae (Leafcutter, Resin, Mortar, Sharptail, Mason, and Woolcarder bees and relatives)
Tribe Anthidiini (Wool-carder, Resin, Pebble, and Allied Bees)
Genus Pseudoanthidium
Species nanum (Pseudoanthidium nanum)
Synonyms and other taxonomic changes
Widely known in Europe as Anthidium lituratum or Pseudoanthidium lituratum, but Apis liturata Panzer, 1801, is an available name because it is a junior primary homonym of Apis liturata Gmelin, 1790.
Explanation of Names
Pseudoanthidium nanum (Mocsáry, 1879). The United States occurrences correspond to the nominate subspecies, although subspecies are rarely used in reference to this species.
Identification
About the size or a little smaller than Osmia pumila.
Range
Newly established Old World bee. It was originally collected in MA, NY, & NJ and has spread to neighboring states.
Discover Life Map. iNaturalist records have also been confirmed in OR (range may span country).
Habitat
They frequent Centaurea and other Asteraceae.
Food
Recorded on Centaurea biebersteinii. The Hosts section on its Discover Life species page lists known floral associations based on specimen records and images.
Life Cycle
They nest in hollow stems and build cottony partitions between cells.
Remarks
Discovered in the New World by Sarah Kornbluth in New Jersey and identified by John S. Ascher. Subsequently reported from Maryland and several other states.
Internet References