Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Species Osmia caerulescens

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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 Osmia (Mason Bees)
No Taxon (Subgenus Helicosmia)
Species caerulescens (Osmia caerulescens)
Synonyms and other taxonomic changes
Andrena cupraria
Andrena cyanea
Anthophora cyanea
Apis aenea
Apis cuprea
Apis muraria
Apis superbus
Megachile cyanea
Osmia coerulescens
Osmia cyanea
Osmia dutti
Osmia rustica
Osmia purpurea
Explanation of Names
Author of Species is (Linnaeus, 1758).
Size
Female: 10-11 mm, male 9 mm.
Identification
Osmia caerulescens is described at Discover Life.
Female dark blue, almost black. Male brassy green.
Range
Minnesota to Nova Scotia, south to Illinois and North Carolina.
Season
March to July.
Food
Polylectic. The Hosts section on its Discover Life species page lists known floral associations based on specimen records and images.
Life Cycle
Nests are constructed within existing cavities, including insect exit burrows in dead wood, crevices in masonry, and trap-nests
Remarks
Not native, introduced from the Old World
Internet References