Flower-Visiting Insects
of Spanish Needles


Bidens bipinnata (Spanish Needles)
(Bees suck nectar or collect pollen, other insects suck nectar; one observation is from Krombein et al. as indicated below, otherwise observations are from Robertson)

Bees (long-tongued)
Apidae (Apinae): Apis mellifera sn cp fq; Apidae (Bombini): Bombus pensylvanica sn; Megachilidae (Coelioxini): Coelioxys sayi sn; Megachilidae (Megachilini): Megachile centuncularis sn cp, Megachile inimica sayi sn; Megachilidae (Trypetini): Heriades leavitti sn

Bees (short-tongued)
Halictidae (Nomiinae): Dieunomia heteropoda (Kr)

Flies
Syrphidae: Syritta pipiens; Empididae: Empis clausa; Tachinidae: Copecrypta ruficauda

Butterflies
Pieridae: Pieris rapae


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