- Family: Megachilidae
- Approximate # species in region: 1
- Common name: rotund-resin bees
Anthidiellum are tiny, compact black-and-yellow anthidiines. Bees in this genus build nests out of tree resin, carefully molded into a jug-like structure that hangs from vegetation and contains a single developing offspring. Anthidiellum can be locally abundant, especially when host plants are plentiful, and males and females are often seen mating for extended periods of time on flowers. Members of this genus are usually boldly marked with some combination of black, yellow, and red integument.
Our single Anthidiellum species in the northeastern US can be told from other Anthidiines by its small size, dark wings, and the particular black and yellow pattern on its integument.
Regional Species List:
| Scientific Name | Common Name | Phenology | Forage |
|---|---|---|---|
| Anthidiellum notatum | Northern rotund-resin bee | Jun-Sep | Fabaceae: Baptisia, Lotus, Lespedeza, etc. |