Flower-Visiting Insects
of Giant Sunflower


Helianthus giganteus (Giant Sunflower)
(Bees suck nectar and/or collect pollen, flies and beetles suck nectar or feed on pollen, other insects suck nectar. Observations are from Graenicher, Krombein et al., Lisberg & Young, Williams, and Wilhelm & Rericha as indicated below.)

Bees (long-tongued)
Apidae (Apini): Apis mellifera sn cp (Gr, WR); Apidae (Bombini): Bombus affinis sn cp (Gr, WR), Bombus fervidus (WR), Bombus griseocollis sn (Gr, WR), Bombus impatiens (WR), Bombus pensylvanicus sn (Gr), Bombus vagans sn cp (Gr); Anthophoridae (Ceratinini): Ceratina dupla (WR), Ceratina mikmaqi (WR); Anthophoridae (Eucerini): Melissodes trinodis sn cp (Gr, WR); Anthophoridae (Nomadini): Nomada graenicheri sn (Gr); Anthophoridae (Xylocopini): Xylocopa virginica sn (Gr); Megachilidae (Coelioxini): Coelioxys modesta sn (WR); Megachilidae (Megachilini): Megachile brevis (WR), Megachile inimica sayi (WR), Megachile latimanus sn (Gr, WR), Megachile pugnata (WR)

Bees (short-tongued)
Halictidae (Halictinae): Agapostemon virescens (WR), Augochlorella striata sn (Gr), Halictus ligatus (WR); Andrenidae (Andreninae): Andrena accepta cp olg (Kr), Andrena aliciae sn cp olg (Gr, Kr, WR), Andrena chromotricha sn cp (Gr), Andrena helianthi sn cp olg (Gr, Kr, WR)

Wasps
Vespidae (Eumeninae): Euodynerus foraminatus sn (Gr)

Flies
Bombyliidae: Sparnopolius confusus sn (Gr, WR); Syrphidae: Eristalis tenax (Gr), Eristalis transversa (Gr, WR); Calliphoridae: Lucilia illustris (Gr); Muscidae: Musca domestica (Gr)

Butterflies
Pieridae: Colias philodice sn (Gr), Pieris rapae sn (Gr); Papilionidae: Papilio polyxenes asterias sn (Gr)

Beetles
Cantharidae: Chauliognathus pennsylvanicus (Wms); Chrysomelidae: Diabrotica undecimpunctata fp np (Gr); Mordellidae: Mordellistena divisa (LY)


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