Flower-Visiting Insects
of Common St. John's Wort

Hypericum perforatum (Common St. John's Wort) introduced
(observations are from MacRae, Swengel & Swengel, Grundel et al., and Williams; bees collect pollen, beetles feed on pollen, while the butterfly explores the flowers in vain for nectar; only pollen is available as a reward for flower visitors; information is limited to bees, beetles, and butterflies)

Bees (short-tongued)
Halictidae (Halictinae): Agapostemon splendens cp (Gnd), Lasioglossum leucocomum cp (Gnd), Lasioglossum pictum cp (Gnd), Lasioglossum pilosum cp (Gnd), Lasioglossum vierecki cp (Gnd); Andrenidae (Panurginae): Perdita halictoides cp (Gnd)

Lycaenidae: Lycaeides melissa samuelis exp (Sw)

Buprestidae: Acmaeodera texana fp (McR), Acmaeodera tubulus fp (McR); Cantharidae: 
Chauliognathus pennsylvanicus fp (Wms)