Flower-Visiting Insects
of Woodland Sunflower

Helianthus divaricatus (Woodland Sunflower)
(Bees suck nectar or collect pollen; other insects suck nectar, except for flies that feed on pollen, as indicated below; observations are from Robertson, Grundel & Pavlovic, Herms, Krombein et al., and Grundel et al. as indicated below)

Bees (long-tongued)
Apidae (Apinae): Apis mellifera sn fq (Rb, Gnd); Apidae (Bombini): Bombus bimaculatus (Gnd), Bombus fraternus sn cp (Rb), Bombus griseocollis sn (Rb), Bombus impatiens fq (Gnd), Bombus pensylvanicus sn fq (Rb), Psithyrus citrinus sn (Gnd); Anthophoridae (Ceratinini): Ceratina calcarata fq (Gnd), Ceratina dupla dupla sn cp fq (Rb, Gnd), Ceratina mikmaqi (Gnd), Ceratina strenua fq (Gnd); Anthophoridae (Epeolini): Epeolus autumnalis sn fq (Rb), Epeolus bifasciatus sn (Rb), Epeolus lectoides sn (Gnd), Epeolus pusillus sn (Rb), Triepeolus concavus sn (Rb), Triepeolus cressonii cressonii sn fq (Rb), Triepeolus donatus sn fq (Rb), Triepeolus lunatus concolor sn fq (Rb), Triepeolus nevadensis sn (Rb), Triepeolus remigatus sn (Rb), Triepeolus simplex sn (Rb); Anthophoridae (Eucerini): Melissodes agilis sn cp olg (Rb), Melissodes boltoniae sn cp (Rb), Melissodes coloradensis sn cp fq (Rb), Melissodes denticulata sn (Rb, Gnd), Melissodes dentiventris sn cp fq (Rb), Melissodes druriella (Gnd), Melissodes nivea sn cp fq (Rb), Melissodes rustica sn, Melissodes trinodis sn cp fq (Rb, Gnd), Svastra obliqua obliqua sn cp fq (Rb); Megachilidae (Anthidiini): Trachusa zebrata (Gnd); Megachilidae (Coelioxini): Coelioxys alternata alternata sn (Rb, Gnd), Coelioxys germana sn (Rb), Coelioxys modesta sn (Gnd), Coelioxys octodentata sn (Rb), Coelioxys sayi sn; Megachilidae (Megachilini): Megachile brevis brevis sn (Rb), Megachile campanulae (Gnd), Megachile inimica sayi sn cp fq (Rb, Gnd), Megachile latimanus sn cp (Rb), Megachile mendica sn (Rb, Gnd), Megachile parallela parallela sn cp (Rb), Megachile petulans sn cp fq (Rb, Gnd), Megachile pugnatus sn cp (Rb, Gnd); Megachilidae (Osmiini): Osmia pumila (Gnd)

Bees (short-tongued)
Halictidae (Dufoureinae): Dufourea marginatus sn cp fq olg (Rb); Halictidae (Halictinae): Agapostemon splendens (Gnd), Augochlora pura fq (Gnd), Augochlorella aurata fq (Gnd), Augochlorella striata sn cp fq (Rb), Augochloropsis metallica (Gnd), Halictus ligatus sn cp fq (Rb, Gnd), Lasioglossum acuminatum (Gnd), Lasioglossum floridanum (Gnd), Lasioglossum illinoensis sn (Rb), Lasioglossum pectorale cp fq (Rb, Gnd), Lasioglossum pilosus pilosus sn cp (Rb), Lasioglossum versatus sn (Rb), Lasioglossum weemsi (Gnd); Halictidae (Nomiinae): Dieunomia heteropoda fq (Gnd); Colletidae (Colletinae): Colletes americana sn (Rb), Colletes nudus (Gnd), Colletes simulans armata (Gnd); Colletidae (Hylaeinae): Hylaeus affinis (Gnd); Andrenidae (Andreninae): Andrena accepta sn cp fq olg (Rb, Kr), Andrena aliciae cp olg (Kr), Andrena helianthi sn cp olg (Rb, Kr); Andrenidae (Panurginae): Heterosarus albitarsis sn cp fq (Rb), Heterosarus labrosiformis labrosiformis sn cp fq (Rb), Heterosarus labrosus sn cp fq (Rb), Heterosarus rudbeckiae sn (Rb), Perdita bequaerti fq (Gnd), Pseudopanurgus rugosus sn cp fq olg (Rb, Kr, Gnd)

Wasps
Sphecidae (Bembicinae): Glenostictia pictifrons (Rb); Sphecidae (Philanthinae): Cerceris rufinoda (Rb); Sphecidae (Sphecinae): Ammophila nigricans (Rb); Vespidae (Eumeninae): Euodynerus annulatus (Rb)

Flies
Syrphidae: Eristalis transversus sn (Rb), Milesia virginiensis fp np (Rb); Bombyliidae: Exoprosopa decora sn (Rb), Paravilla palliata sn (Rb), Poecilanthrax alcyon sn (Rb), Sparnopolius confusus sn fq (Rb), Systoechus vulgaris sn (Rb), Villa alternata fp np (Rb); Conopidae: Robertsonomyia palpalis sn fq icp (Rb); Anthomyiidae: Proboscimyia siphonina sn (Rb); Milichiidae: Eusiphona mira sn (Rb)

Butterflies
Nymphalidae: Chlosyne nycteis (Rb); Lycaenidae: Lycaeides melissa samuelis (GP, Hm); Pieridae: Colias philodice (Rb), Phoebis sennae (Rb)

Skippers
Hesperiidae: Polites themistocles (Rb)

Beetles
Cantharidae: Chauliognathus pennsylvanicus fq (Rb)

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