On cultivated common ninebark (Physocarpus opulifolius)
Walking through HID 2013/2011E and briefly up on the mounds.
More details in general about my 2024 City Nature Challenge:
https://www.inaturalist.org/journal/joemdo/93673-city-nature-challenge-2024
This one has a wing deformity
4th instar on native larval host: Hercules club