Anthidiellum robertsoni
Bee / Megachilidae / Anthidiellum / Anthidiellum robertsoni
5 - 10 mm
Size
Spring, Summer, Fall
Seasonality
Scopae on the underside of abdomen
Pollen carrying method
Nest cells made of resin are freestanding and glued to rocks, branches, or even pine needles (Schwarz, 1928).
Nesting
Solitary
Sociality
Plants near:
7 confirmed and 410 likely
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Likely
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Confirmed
Deer Plant
Acmispon glaber
Hairy Bird's Beak
Cordylanthus pilosus
Toyon
Heteromeles arbutifolia
Streambank Lotus
Hosackia oblongifolia
Alfalfa
Medicago sativa
Blackberries
Rubus
Boysenberries
Rubus
Caneberries
Rubus
Alternative names
-
Common Names:
-
Spanish Common Names:
-
Scientific Names:
Anthidiellum robertsoni
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.