Flower-Visiting Insects
of Cup Plant

Silphium perfoliatum (Cup Plant)
(Bees collect pollen or suck nectar; flies feed on pollen & are non-pollinating, or they suck nectar; beetle activity is unspecified; other insects suck nectar; most observations are from Robertson, otherwise they are from Moure & Hurd, Krombein et al., Tuell et al., and Williams as indicated below)

Bees (long-tongued)
Apidae (Apinae): Apis mellifera sn cp fq (Rb, Tll); Apidae (Bombini): Bombus fraternus sn, Bombus griseocollis sn (Rb, Tll), Bombus impatiens sn cp fq (Rb, Tll), Bombus pensylvanicus sn cp fq, Bombus vagans sn cp fq, Psithyrus citrinus sn (Tll); Anthophoridae (Ceratinini): Ceratina calcarata/dupla (Tll), Ceratina dupla dupla sn cp fq; Anthophoridae (Epeolini): Triepeolus concavus sn (Rb, Tll), Triepeolus lunatus concolor sn fq, Triepeolus lunatus lunatus sn, Triepeolus remigatus sn fq (Rb, Tll), Triepeolus simplex sn; Anthophoridae (Eucerini): Melissodes spp. (Tll), Melissodes agilis sn fq, Melissodes bimaculata bimaculata sn (Rb, Tll), Melissodes coloradensis sn cp, Melissodes denticulata sn fq, Melissodes rustica sn, Melissodes trinodis sn fq, Melissodes vernoniae sn, Svastra obliqua obliqua sn cp; Megachilidae (Coelioxini): Coelioxys germana sn; Megachilidae (Megachilini): Megachile sp. (Tll), Megachile brevis brevis sn cp, Megachile inimica sayi sn, Megachile mendica sn cp, Megachile petulans sn cp fq, Megachile pugnatus sn cp fq (Rb, Tll)

Bees (short-tongued)
Halictidae (Halictinae): Agapostemon sericea sn cp, Agapostemon splendens sn, Agapostemon virescens sn cp fq (Rb, Tll), Augochlorella striata sn, Halictus ligatus sn cp (Rb, Tll), Halictus rubicundus sn, Lasioglossum imitatum cp np fq, Lasioglossum pectorale cp np, Lasioglossum pilosum pilosum cp np fq, Lasioglossum rohweri (Tll), Lasioglossum versatum cp np; Halictidae (Nomiinae): Nomia triangulifera (MH); Andrenidae (Andreninae): Andrena accepta sn fq, Andrena aliciae sn, Andrena helianthi (Kr); Andrenidae (Panurginae): Heterosarus labrosiformis labrosiformis sn fq, Pseudopanurgus rugosus sn

Sphecidae (Sphecinae): Ammophila procera; Vespidae: Polistes dorsalis; Scoliidae: Scolia bicincta

Syrphidae: Allograpta obliqua fp np, Eristalis tenax sn, Milesia virginiensis fp np; Bombyliidae: Exoprosopa fasciata sn, Poecilanthrax alcyon sn, Sparnopolius confusus sn, Systoechus vulgaris fq sn, Villa alternata fp np; Conopidae: Zodion obliquefasciatum sn; Tachinidae: Archytas aterrima sn

Nymphalidae: Chlosyne nycteis, Danaus plexippus, Limenitis archippus, Limenitis arthemis astyanax, Polygonia interrogationis, Vanessa atalanta, Vanessa cardui, Vanessa virginiensis; Lycaenidae: Lycaena hyllus; Pieridae: Colias philodice, Pieris rapae, Pontia protodice; Papilionidae: Battus philenor, Papilio cresphontes, Papilio glaucus, Papilio troilus

Hesperiidae: Anatrytone logan, Epargyreus clarus, Pholisora catullus, Poanes zabulon, Polites themistocles

Chauliognathus pennsylvanicus (Wms)