Flower-Visiting Insects
of Bloodroot

Sanguinaria canadensis (Bloodroot)
(Bees collect pollen, while flies & beetles feed on pollen; some insects explore the flowers while vainly searching for nectar, as indicated below; observations are from Robertson, Graenicher, Schemske et al., and Motten as indicated below)

Bees (long-tongued)
Apidae (Apinae): Apis mellifera cp fq (Rb, Shm, Mtt); Apidae (Bombini): Bombus bimaculatus cp (Mtt), Bombus griseocallis cp (Gr); Anthophoridae (Ceratinini): Ceratina dupla dupla cp (Gr), Ceratina calcarata exp (Rb), Ceratina tejonensis exp (Gr); Anthophoridae (Nomadini): Nomada sayi exp (Gr); Anthophoridae (Xylocopini): Xylocopa virginica cp (Mtt); Megachilidae (Osmiini): Osmia lignaria lignaria cp (Rb)

Bees (short-tongued)
Halictidae (Halictinae): Halictus confusus cp (Gr), Halictus rubicunda cp (Gr), Lasioglossum sp. cp (Mtt), Lasioglossum foxii cp (Rb), Lasioglossum imitatus cp (Rb, Gr), Lasioglossum zephyrus cp (Rb, Gr); Andrenidae (Andreninae): Andrena carlini cp fq (Rb, Mtt), Andrena milwaukeensis cp (Gr), Andrena vicina cp icp (Gr)

Syrphidae: Unidentified sp. fp (Mtt), Brachypalpus cyanogaster fp (Gr), Eupeodes americanus fp (Rb, Gr, Shm), Toxomerus marginatus fp (Gr); Bombyliidae: Bombylius major fp/exp fq (Rb, Gr, Mtt); Tachinidae: Gonia capitata fp (Rb)

Pieridae: Pieris rapae exp (Gr)

Oedmeridae: Asclera ruficollis fp fq (Rb)