Flower-Visiting Insects and Birds
of Purple
Milkweed
Asclepias purpurascens (Purple Milkweed)
(Insects & hummingbirds suck nectar; most observations are from Robertson, otherwise they are from Betz)
With pollinia:
Bees (long-tongued)
Apidae (Apinae): Apis mellifera; Anthophoridae (Anthophorini): Anthophora abrupta fq; Anthophoridae (Eucerini): Synhalonia rosae; Megachilidae (Megachilini): Megachile mendica, Megachile addenda
Flies
Conopidae: Physocephala tibialis; Tachinidae: Spallanzania hesperidarum
Butterflies
Nymphalidae: Euphydryas phaeton, Speyeria cybele fq, Speyeria idalia, Vanessa atalanta, Vanessa virginiensis
Skippers
Hesperiidae: Thorybes pylades
Plant Bugs
Lygaeidae: Oncopeltus fasciatus
Without pollinia:
Birds
Trochilidae: Archilochus colubris
Bees (long-tongued)
Apidae (Bombini): Bombus griseocallis, Bombus pensylvanica, Bombus vagans; Anthophoridae (Anthophorini): Anthophora ursina
Bees (short-tongued)
Halictidae (Halictinae): Augochlorella aurata, Augochlorella striata, Augochloropsis metallica metallica, Lasioglossum pectoralis, Lasioglossum versatus
Wasps
Sphecidae (Sphecinae): Prionyx atrata
Flies
Tachinidae: Copecrypta ruficauda
Butterflies
Lycaenidae: Everes comyntas, Lycaena hyllus, Satyrium acadicum, Satyrium calanus; Pieridae: Colias philodice; Papilionidae: Battus philenor, Papilio cresphontes, Papilio glaucus, Papilio troilus
Skippers
Hesperiidae: Poanes hobomok, Polites origenes, Polites peckius, Polites themistocles, Pompeius verna
Beetles
Cerambycidae: Tetraopes tetrophthalmus
Plant Bugs
Lygaeidae: Oncopeltus fasciatus
Pollinia Presence Unspecified:
Bees (long-tongued)
Apidae (Apinae): Apis mellifera (Btz); Apidae (Bombinae): Bombus pensylvanica (Btz)