Flowering Plants Visited
by Pseudopanurgus
rugosus
Pseudopanurgus rugosus Robertson: Andrenidae (Panurginae), Hymenoptera
(observations are from Robertson, Krombein et al., Grundel et al., and Wilhelm & Rericha; according to Krombein et al., this insect is an oligolege of Helianthus spp., although it occasionally collects pollen from other species of the Asteraceae)
Asteraceae: Bidens aristosa sn cp (Rb), Coreopsis tripteris (WR), Helianthus annuus cp olg (Kr, WR), Helianthus divaricatus sn cp fq olg (Rb, Kr, Gnd), Helianthus hirsutus cp olg (WR), Helianthus mollis sn cp olg (Rb, Kr), Helianthus occidentalis cp olg (WR), Helianthus tuberosus sn cp fq icp (Rb), Heliopsis helianthoides sn fq (Rb), Hieracium gronovii cp (WR), Rudbeckia laciniata sn (Rb), Rudbeckia triloba sn cp (Rb), Silphium perfoliatum sn (Rb), Solidago sp. (Gnd); Fabaceae: Melilotus officinalis sn (Kr); Pontederiaceae: Pontederia cordata sn (Kr)