Flowering Plants Visited
by Phthiria
cincta
Phthiria cincta Coquillett, MS: Bombyliidae, Diptera
(observations are from Robertson; the scientific name of this fly is derived from an unpublished manuscript)
Asteraceae: Rudbeckia hirta sn fq (Rb), Rudbeckia subtomentosa sn fq (Rb), Rudbeckia triloba sn (Rb)