Tharsalea helloides

eat

• Global Biotic Interactions: Baccharis pilularis DC. (Chaparral Broom)
• Global Biotic Interactions: Baccharis pilularis DC. (Chaparral Broom)
• Global Biotic Interactions: Baccharis pilularis DC. (Chaparral Broom)
• Global Biotic Interactions: Centaurea calcitrapa L. (red star-thistle)
• Global Biotic Interactions: Baccharis pilularis DC. (Chaparral Broom)

have host

• Global Biotic Interactions: Polygonum plebejum R. Br. (rupturewort)
• Global Biotic Interactions: Polygonum plebejum R. Br. (rupturewort)

visit

• Global Biotic Interactions: Leucanthemum vulgare Lam. (Oxeye Daisy)
• Global Biotic Interactions: Erigeron glacialis glacialis
• Global Biotic Interactions: Angelica arguta Nutt. ex Torr. & Gray (Lyall's angelica)

visit flowers of

• Global Biotic Interactions: Medicago sativa L. (Lucerne)
• Global Biotic Interactions: Euthamia occidentalis Nutt. (western goldentop)
• Global Biotic Interactions: Baccharis pilularis DC. (Chaparral Broom)
• Global Biotic Interactions: Rhamphospermum nigrum
• Global Biotic Interactions: Trifolium tomentosum L. (woolly clover)