הזיהויים של gpohl

These were accidentally acquired along with a Platanthera orchid I'd collected on July 1, 2021, south of the Peace River in British Columbia, Canada, north of Jackfish Lake Road.

Host plant here:

https://inaturalist.ca/observations/101914155

These beasties turn up in the plant press, munching their way through my nice Platanthera specimen inflorescences...these are pics of a few dried out ones that were still stuck to the flowers.