Flower-Visiting Insects
of Giant Sunflower


Helianthus giganteus (Giant Sunflower)
(Bees collect pollen or suck nectar; flies and beetles feed on pollen or suck nectar; other insects suck nectar; all observations are from Graenicher, except for those by Krombein et al., Lisberg & Young, and Williams 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
Cantharidae: Chauliognathus pennsylvanicus (Wms); Chrysomelidae: Diabrotica undecimpunctata fp np; Mordellidae: Mordellistena divisa (LY)


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