Flower-Visiting
Insects
of Shrubby St. John's Wort
Hypericum prolificum (Shrubby St. John's Wort)
(bees collect pollen, ants explore the flowers searching for nectar in vain, flies feed on pollen; observations are from Wilhelm & Rericha)
Bees (long-tongued)
Apidae (Apini): Apis mellifera cp (WR); Apidae (Bombini): Bombus bimaculatus cp (WR), Bombus griseocollis cp (WR), Bombus impatiens cp (WR); Megachilidae (Megachilini): Megachile latimanus cp (WR), Megachile mendica cp (WR)
Bees (short-tongued)
Halictidae (Halictinae): Augochlora pura pura cp (WR), Halictus rubicundus cp (WR), Lasioglossum hitchensi cp (WR), Lasioglossum imitatum cp (WR), Lasioglossum truncatum cp (WR), Lasioglossum versans cp (WR), Lasioglossum versatum cp (WR), Lasioglossum viridatum cp (WR), Lasioglossum weemsi cp (WR); Colletidae (Hylaeinae): Hylaeus sp. cp (WR), Hylaeus illinoisensis cp (WR)
Ants
Formicidae (Dolichoderinae): Dolichoderus plagiatus exp np (WR); Formicidae (Formicinae): Lasius alienus exp np (WR)
Flies
Syrphidae: Milesia virginiensis fp (WR), Syritta pipiens fp (WR), Toxomerus marginatus fp (WR)