Here are some links to North American insect monitoring projects.
If you know of North American insect monitoring projects (not including butterflies) that are not listed here, please contact lries@sesync.org
General Insects
Invasive Insects
C-Annual Asian Longhorned Beetle Swimming Pool Survey
C-Brown Marmorated Stinkbug Locations
C-Wasp Watchers (to monitor Emerald Ash Borer)
A- Spotted-wing Drosophila Early Detection Monitoring
Moths
A-Butterflies and Moths of North America
Ants
Bees
Not CS - Black Hills Bee Project
Odonates
A-Migratory Dragonfly Partnership (includes Pond Watch)
Riveredge Dragonfly Count (CitSci.org)
A-Howard Co. MD Annual Dragonfly Count
C-Ohio Odonate Photo Monitoring
Other Insect Groups
C-Where's the Elderberry Longhorned Beetle?
Pilot stage - Wading for Watersticks
Other arthropods
Water-quality monitoring (invertebrates)?
There are many of these, although we'd have to see which ones collect data on inverts - could be huge!