Calling from low vegetation, 14:30, ~84 F, Boone Co., MO
in yard near open oak - hickory woodland, ~100 m from pond
on orb in garage
At first I thought possibly Diceroprocta delicata, but Bill Reynolds at BugGuide indicates that it's D. viridifascia.
I think it's Desmodium paniculatum
growing in open grassland with scattered Juniperus virginiana