Flower-Visiting Insects
of Prairie Sunflower


Helianthus rigidus (Prairie Sunflower)
(Also referred to as H. laetiflorus and H. pauciflorus; bees usually suck nectar, but sometimes collect pollen; flies & beetles feed on pollen or suck nectar; other insects suck nectar; some observations are from Moure & Hurd, Reed, and Krombein et al. as indicated below, otherwise they are from Robertson)

Bees (long-tongued)
Apidae (Bombini): Bombus fervida (Re), Bombus fraternus sn, Bombus griseocallis sn (Rb, Re), Bombus pensylvanica sn, Bombus vagans (Re); Anthophoridae (Ceratinini): Ceratina sp. (Re); Anthophoridae (Epeolini): Triepeolus concavus sn; Anthophoridae (Eucerini): Melissodes agilis cp olg (Rb, Re), Melissodes subillata (Re), Melissodes trinodis (Re), Svastra obliqua obliqua sn cp; Anthophoridae (Nomadini): Nomada sp. sn (Re); Megachilidiae (Megachilini): Megachile brevis brevis sn, Megachile inimica sayi sn cp, Megachile latimanus sn, Megachile montivaga (Re), Megachile pugnatus (Re)

Bees (short-tongued)
Halictidae (Doufoureinae): Dufourea marginatus marginatus cp olg (MH); Halictidae (Halictinae): Agapostemon splendens (Re), Agapostemon virescens (Re), Augochlorella striata (Re), Halictus sp. (Re), Halictus ligatus sn cp fq (Rb, Re), Lasioglossum sp. (Re), Lasioglossum anomalus (Re), Lasioglossum pectoralis sn cp, Lasioglossum pilosus pilosus sn cp, Lasioglossum versatus sn cp; Andrenidae (Andreninae): Andrena accepta cp olg (Kr), Andrena helianthi cp olg (Kr)

Wasps
Sphecidae (Sphecinae): Ammophila nigricans; Vespidae (Eumeninae): Ancistrocerus catskill (Re); Ichneumonidae: Ceratogastra ornata; Braconidae: Chelonus sericeus (Re)

Flies
Syrphidae: Eristalis stipator sn fp (Rb, Re), Eristalis tenax (Re), Eristalis transversus fp (Rb, Re), Syrphus sp. (Re), Toxmerus geminatus (Re), Toxomerus marginatus (Re); Bombyliidae: Exoprosopa dorcadion (Re), Exoprosopa fasciata sn, Phthiria sp. (Re), Sparnopolius sp. (Re), Sparnopolius confusus sn fq, Systoechus sp. (Re), Systoechus vulgaris sn; Tachinidae: Plagiomima spinosula sn; Milichiidae: Eusiphona sp. (Re)

Butterflies
Nymphalidae: Phyciodes tharos; Pieridae: Colias sp. (Re)

Skippers
Hesperiidae: Pholisora catullus

Moths
Ctenuchidae: Cisseps fulvicollis

Beetles
Chrysomelidae: Diabrotica sp. (Re), Luperaltica nigripalpis (Re)

Plant Bugs
Miridae: Lygus lineolaris


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