Flowering Plants Visited
by Ectemnius
rufifemur
Ectemnius rufifemur Packard: Sphecidae (Crabroninae), Hymenoptera
(one observation is from Graenicher, otherwise observations are from Robertson)
Apiaceae: Cicuta maculata sn (Rb), Eryngium yuccifolium sn (Rb), Heracleum maximum sn (Rb), Pastinaca sativa sn (Rb); Asclepiadaceae: Asclepias incarnata [plpr sn] (Rb), Asclepias sullivanti [plab sn] (Rb), Asclepias verticillata [plpr sn fq] (Rb); Asteraceae: Achillea millefolium sn (Rb), Aster pilosus sn (Rb), Eupatorium perfoliatum sn (Rb), Euthamia graminifolia sn (Gr), Oligoneuron rigidum sn (Rb), Solidago nemoralis sn (Rb); Lamiaceae: Pycnanthemum tenuifolium sn (Rb)