Polia richardsoni

have host

• Global Biotic Interactions: Astragalus alpinus L. (alpine milkvetch)

visit flowers of

• Global Biotic Interactions: Silene acaulis (L.) Jacq. (moss campion)
• Global Biotic Interactions: Cassiope tetragona (L.) D. Don (white arctic mountain heather)
• Global Biotic Interactions: Vaccinium uliginosum L. (alpine bilberry)
• Global Biotic Interactions: Rhododendron lapponicum (L.) Wahlenb. (Lapland rosebay)