Insects Feeding
on these Plants:


Hypericum kalmianum
(Kalm's St. John's Wort) [Hypericaceae]
(observations are from Blackman & Eastop and Wilhelm & Rericha)

Coleoptera (Beetles)
Curculionidae: Anthonomus rutilus [breeds in the inflorescences, larvae feed on developing seeds; this observation includes Hypericum swinkianum] WR2017

Homoptera (Sucking Insects)

Aphididae: Aphis mizzou [feeds on new growth & young shoots; this aphid has been found in Missouri, probably on cultivated plants] BE2013