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Rude Mason Bee

Bee / Megachilidae / Osmia / Osmia inurbana

Show habitat plants
5 - 14 mm

Size

Spring, Summer

Seasonality

SNR

Conservation status

Scopae on the underside of abdomen

Pollen carrying method

Cavity nester

Nesting

Solitary

Sociality

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Plants near:

0 confirmed and 38 likely

  • Likely

  • Confirmed

Coastal Lotus

Acmispon maritimus

San Diego Birdsfoot Trefoil

Acmispon micranthus

Sierra Onion

Allium campanulatum

Scytheleaf Onion

Allium falcifolium

See all

Strawberries

Fragaria

Plums & Prunes

Prunus

Plum-Apricot Hybrids

Prunus

Cherries

Prunus

Alternative names

  • Common Names:

    Rude Mason Bee

  • Spanish Common Names:

  • Scientific Names:

    Osmia inurbana

Additional Resources

Sources

"Beginner Bee Field Guide." Colorado State University Extension, 28 Feb. 2022. Accessed 19 Mar. 2025. extension.colostate.edu/wp-content/uploads/2022/03/BeginnerBeeFieldGuide_LowRezWeb_28Feb2022.pdf. PDF.

NatureServe. 2025. NatureServe Network Biodiversity Location Data accessed through NatureServe Explorer [web application]. NatureServe, Arlington, Virginia. Available https://explorer.natureserve.org/. (Accessed: April 03, 2025).