Specialist bees on Arrowleaf Senecio

15 native bees whose young are raised on the pollen of it, most recorded first.

Parallel Leafcutter Bee Megachile parallela Pollen specialist on Symphyotrichum, Solidago, Helianthus and 26 more 1 record on groundsels
Horn-faced Leafcutter Bee Megachile fidelis Pollen specialist on Erigeron, Cirsium, Senecio and 20 more 1 record on groundsels
Small Long-horned Bee Melissodes microstictus Pollen specialist on Erigeron, Cirsium, Symphyotrichum and 14 more 1 record on groundsels
Colorado Mason Osmia coloradensis Pollen specialist on Erigeron, Cirsium, Senecio and 3 more 1 record on groundsels
Osmia montana Pollen specialist on Erigeron, Cirsium, Senecio and 10 more 1 record on groundsels
Dark-faced Longhorn Bee Melissodes tristis Pollen specialist on Erigeron, Cirsium, Senecio and 17 more 1 record on groundsels
Melissodes pallidisignatus Pollen specialist on Erigeron, Symphyotrichum, Solidago and 7 more 1 record on groundsels
Big-cheeked Angled-Mason Ashmeadiella bucconis Pollen specialist on Solidago, Erigeron, Helianthus and 23 more 1 record on groundsels
Megachile nevadensis Pollen specialist on Symphyotrichum, Solidago, Cirsium and 7 more 1 record on groundsels
Heriades cressoni Pollen specialist on Erigeron, Senecio, Ericameria and 4 more 1 record on groundsels
California Mason Bee Osmia californica Pollen specialist on Cirsium, Senecio, Ericameria and 6 more 1 record on groundsels
Megachile subnigra Pollen specialist on Senecio, Cirsium, Ericameria and 7 more 1 record on groundsels
Osmia subaustralis Pollen specialist on Erigeron, Cirsium, Senecio and 5 more 1 record on groundsels
Megachile mellitarsis Pollen specialist on Cirsium, Senecio, Grindelia and 2 more 1 record on groundsels
Andrena vulpicolor Pollen specialist on Senecio, Heterotheca, Ericameria and 3 more 1 record on groundsels

Small Long-horned Bee

on Arrowleaf Senecio

Open

Specialist bees · handed down from groundsels

What the records say

Host to · as larvae 1 record on groundsels
Recorded on groundsels, and handed down to its species.
- Fowler & Droege, Pollen Specialist Bees 1 record
  
  A specialist bee's young are raised on its host plant's pollen, so the plant is a larval host.
Pollinated by 2 records on groundsels
Recorded on groundsels, and handed down to its species.
- Guzman et al. 2022 2 records
  
  Guzman, Laura Melissa; Kelly, Tyler; Elle, Elizabeth, 2022, "A dataset for pollinator diversity and their interactions with plants in the Pacific NorthWest", https://doi.org/10.5683/SP3/WTEZNH, Borealis, V1
References
- Guzman, Laura Melissa; Kelly, Tyler; Elle, Elizabeth, 2022, "A dataset for pollinator diversity and their interactions with plants in the Pacific NorthWest", https://doi.org/10.5683/SP3/WTEZNH, Borealis, V1. Accessed at <https://github.com/globalbioticinteractions/guzman2022/archive/e24f70b4a435156264c45a853b4a58687df4cdfc.zip> on 14 Jul 2026.