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For the United States & Canada

Species Chelostoma rapunculi

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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
Tribe Osmiini
Genus Chelostoma
No Taxon (Subgenus Gyrodromella)
Species rapunculi (Chelostoma rapunculi)
Synonyms and other taxonomic changes
Chelostoma rapunculi (Lepeletier, 1841)
Heriades rapunculi Lepeletier, 1841; Apis fuliginosa_homonym Panzer, 1798; Heriades nigricornis Nylander, 1848; Chelostoma inerme Eversmann, 1852; Heriades casularum Chevier, 1872; Osmia (Acanthosmia) archanensis Cockerell, 1928; Osmia (Acanthosmia) platyodonta Cockerell, 1928
Range
Specimens have been collected in NY and CT
Food
Oligolectic on Campanula (Campanulaceae) and possibly on related genera (Amiet et al., 2004, Sedivy et al., 2008, Westrich, 1989). The Hosts section on its Discover Life species page lists known floral associations based on specimen records and images.
Life Cycle
Nests in preexisting cavities: insect burrows and drilled borings in dead wood or bark; hollow stems (e.g. Phragmites) and drilled borings in stems.
Remarks
From the Palaearctic
Internet References
Discover Life. Map, images