Flowering Plants Visited
by Eristalis
brousii
Eristalis brousii Williston: Syrphidae, Diptera
(one observation is from Robertson, otherwise observations are from Graenicher)
Asteraceae: Achillea millefolium sn/fp (Gr), Ageratina altissima sn/fp (Gr), Anthemis cotula sn/fp (Gr), Arnoglossum muhlenbergii sn/fp (Gr), Aster drummondii sn/fp (Gr), Aster macrophyllus sn/fp (Gr), Aster laevis (Gr), Cirsium arvense sn/fp (Gr), Helianthus annuus sn (Rb), Leucanthemum vulgare sn/fp (Gr), Tanacetum vulgare sn/fp (Gr); Caprifoliaceae: Symphoricarpos occidentalis sn/fp (Gr); Salicaceae: Salix discolor [unsp sn/fp] (Gr)