Flower-Visiting Insects
of Giant
Sunflower
Helianthus giganteus (Giant Sunflower)
(Bees collect pollen or suck nectar; flies feed on pollen or suck nectar; beetles feed on pollen only and are non-pollinating; other insects suck nectar; all observations are from Graenicher, except for those by Krombein et al. as indicated below)
Bees (long-tongued)
Apidae (Apinae): Apis mellifera sn cp; Apidae (Bombini): Bombus affinis sn cp, Bombus griseocallis sn, Bombus pensylvanica sn, Bombus vagans sn cp; Anthophoridae (Eucerini): Melissodes trinodis sn cp; Anthophoridae (Nomadini): Nomada graenicheri sn; Anthophoridae (Xylocopini): Xylocopa virginica sn; Megachilidae (Megachilini): Megachile latimanus sn
Bees (short-tongued)
Halictidae (Halictinae): Augochlorella striata sn; Andrenidae (Andreninae): Andrena accepta cp olg (Kr), Andrena aliciae sn cp olg (Gr, Kr), Andrena chromotricha sn cp, Andrena helianthi sn cp olg (Gr, Kr)
Wasps
Vespidae (Eumeninae): Euodynerus foraminatus
Flies
Bombyliidae: Sparnopolius confusus; Syrphidae: Eristalis tenax, Eristalis transversus; Calliphoridae: Lucilia illustris; Muscidae: Musca domestica
Butterflies
Pieridae: Colias philodice, Pieris rapae; Papilionidae: Papilio polyxenes asterias
Beetles
Chrysomelidae: Diabrotica undecimpunctata fp np